Common Issues by Model or Generation . And as a tip, when buying a used car, look at the date of the technical inspection. Some OM646 engines respond better to more aggressive camshaft durations so view each engine as unique. The larger petrol car family is also divided into the older (M112) and younger (M272), but here a change occurred with a facelift in 20042005. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, Honda 3.5 V6 J35 Engine Specs, Problems, Reliability. Fast road cams are one of the most significant mechanical changes, but they must be installed by someone who knows what they're doing and they are not always easy to source but you might find a local firm to regrind a stock camshaft. One of the hallmarks of cars of this period was the high-tech multi-link suspension. and operation, along with removal and installation of components. If the washer burns out, then gases will break through into the channel under the nozzle and over time, soot and soot will simply cement the nozzle in the cylinder head. But if the exhaust pipe is too big, ie: over 2.5 inches bore, you will lose a lot of the flow rate and end up lacking power and torque. In practice, two seats with a small luggage capacity of 310 liters. Some of our members have had issues with flat spots or glitches after applying mods and upgrades or tuning, this is not usually related to this engines design, so instead see our article on diagnosing flat spots and problems after tuning which should help you get the bottom of this issue. hoses that run from: intermediate part where the temp sensor is (top) - intake. To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. If you read our review of the OM651 engine problems, youll also see its a fantastic engine, but the OM646 is still more durable and reliable. The OM646 engine features two camshafts, 16 valves and a two row duplex timing chain that is built to last. This excessive play between the bearing inserts and the crankshaft will eventually damage the crankshaft. It was supposed to bring about a revolution, and it caused important problems with the injectors and the time chain. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()), 150 / 4200 (170 / 3000 for turbo version), 340 / 2000 (400 / 2800 for turbo version). If you continue to use this site we will assume that you are happy with it. Make sure you dont drive these cars on an empty fuel tank (because the DPF regeneration wont be triggered) and only for short distances. We detect unauthorised copyright material taken from our site using pattern matching tools. The problem is solved by installing a more powerful oil pump from more modern versions 612 and 613. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. keep up with our latest YouTube content and subscribe. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. Issues by Complectations or Trim Levels 3.1. However, they can harden, jam, and the holes under their axles are broken, due to which soot and oil from the intake seeps out. Detail: Drainage valve seal - keeper with sealing ring Fig. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. Life On Four is more than just another automotive media outlet. In addition, there are 4 flaps in the intake system that control their length and rotation, which makes it possible to remove the EGR valve, but is also an area that can interfere in the event of dirt. . Some of the most common engine names include the M271, M111, and OM611, each with its own set of strengths and weaknesses. The ecu map and fuel pump and injectors also will say much on the torque gains you'll achieve. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. Unfortunately, this is also a series of problems, some of which end in . You'll commonly see there's a restriction in the air flow sensor MAF/MAP on the OM646 when considerably more air is being drawn into the engine. Please help us improve these tips by sending us your feedback in the comments box below. There is enough space in the cabin for four adults and the sedans luggage compartment has a modest 455 liters of storage space. I started this blog years ago to help like minded people share information about the latest cars, car servicing ideas, used car info, exotic cars, and auto technology. Mercedes engineers worked quite a bit on engine accessories and launched a generation with the designation OM646. Due to the lack of special elements, the whole branch must be changed. One of the most notable features of the Mercedes C200 is its engine. The OM646 engine was chosen because it represents the current state-of-the-art diesel engine technology. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Bearing wear leads to oil leakage into the cold or hot part. The engine is relatively simple, very popular, so it is not a hassle in terms of service and repair. 2 and 3 connecting rods are deformed, liners wear out. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). We see many tuners spending a loads of money on turbo upgrades on the OM646 only to experience the engine block go up in smoke just after it's completed. The engine block, as before, is made of . 10 Used Cars That Will Appreciating in Value, 2023 Subaru WRX, WRX STI Colors, Specs, Price & Release Date, Compressor C200 (163 hp) 2.0L supercharged (M111), Compressor C180 (143 HP) 1.8L supercharged (M271), Compressor C200 (163 hp) 1.8L supercharged (M271), C200 CGI (170 bhp) 1.8L supercharged direct injection (M271), Compressor C230 (192hp) 1.8L supercharged (M271), C32 AMG (354hp) 3.2L Supercharged (M112). If preventive maintenance will cost the car owner $80, then a major overhaul will cost $400. #10. Please watch this video and subscribe to my YouTube channel. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). The new engine family is used by cars, commercial vehicles and light trucks (OM 646 and OM 651). Manufacturer Part Number 006.750. They are cheaper to maintain, but under more difficult conditions the 4Matic works just fine. Please drive sensibly we do not endorse reckless driving. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. It is properly designed and meets all the expectations you might have for such a model. 20072009W204 C220 CDI. KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. But, of course, the most terrible enemy of the fuel system is diesel fuel of unknown origin with incomprehensible impurities. Gasket Design Multilayer Steel (MLS). Check crankshaft bearings for alignment. Manufacturer Part Number 61-37200-10. In fact, they differ only in the number of cylinders. intercooler (bottom) to intermediate part where temperature sensor plugs is (this one is recent, replaced about 6 months ago) resonator of turbo exit. He made his debut on the C-class W202 in 1998. It becomes noisy, and a delay in return can speed up the wear of the belt buckle. Engines: OM611 OM612 OM613 OM642 OM646 OM647 OM648 This leads to a significant drop in power, and the valve can become detached, which then enters the engine and leads to engine damage. Higher pistons and short connecting rods were used. Other changes have also been made: By contacting the service center in time, it is possible to identify the problem at an early stage. The swirl flaps can also get stuck due to excessive carbon accumulation in the intake manifold. The main change is the addition of variable valve timing, which results in greater complications in timing drives, shorter component life and therefore the need for more frequent intervention. Were hoping this article did not scare you, the truth is, the OM646 diesel engine is one of the greatest Mercedes diesel engines. The third weak point is the variable geometry turbo regulator. Injection pressure up to 2000 bar. Forza 5 tuning guide. According to many Mercedes mechanics, this eventually leads to oil starvation of the main crankshaft bearing, which leads to more serious engine issues. Our advertising partners also use cookies. Shopping for a Mercedes-Benz? However engines will need better parts at higher power limits.Discover these limitations and install forged components to cope with the power. For a better experience, please enable JavaScript in your browser before proceeding. 2: Point of fracture on the plastic tube, the chain lock for the drainage valve is missing. Mazda SKYACTIV 2.0L and 2.5L engines. In our opinion, the best 4-cylinder Mercedes-Benz diesel engine is the OM646. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. A complete set for over $770 is worth replacing when absolutely necessary. And this doesnt go hand in hand with durability. However, I dont think its worth buying this model for as low as $1500-$2500. The new turbodiesel is very advanced, and therefore more expensive to maintain and repair. Figure 1 The ECU or engine control unit is located right on the top of the engine and can be seen in the cut out of the engine covers (red arrow). Issues by Engine Type or Engine Name 2.1. Panel van 3.2. OM642 oil pressure check. (In some cases, as the factory ECU is locked flashing is not an option, so an aftermarket ECU is the route to take, and many of these will outperform factory ECU's but make sure it has knock protection and that you get it setup properly.). All content is subject to copyright protection - LifeOnFour 2023. The engine starts to sneeze, stalls. This makes engine repairs much cheaper. Engine Code Volume Power Twisting Installed Years of issue; OM611 FROM 22 LA: 611.960: 2148 . Lets start with fuel injectors. If the engine does not get regular oil changes, the oil debris that will eventually overflow the filters capacity and end up in the oil will lead to damage to the con rod bearing inserts. Modified car insurance By the way, the V8 used later was closely related to this design. The compression ratio is reduced to 16.2: 1. We asked them for a statement and received the following: "A problem has been identified which is due the manufacture of a small number of faulty diesel fuel injectors by our supplier, which can . turbine geometry) stage 3, Intake air throttling via the throttle valve actuator (only Why word? feature on twinchargers if you want to read more. Save my name, email, and website in this browser for the next time I comment. Head work - The goals of porting and flowing the head are to get air flowing into the engine while removing flow restrictions and turbulence. If you continue to use this site we will assume that you are happy with it. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. Symptoms: too slow engine warm-up. The crankshaft of the 2.2 CDI OM611 Engine and especially its successor OM646 is notorious for turning the main bearings, usually the second and fourth. Equipment failure is caused by mileage and wear. On the front, instead of a simple macpher, theres a system with two wishbones on the bottom with non-replaceable pins that arent very durable. Nozzles can be repaired. It is practically another engine in which the diameter of the cylinder changes (reduced to 83 mm) and the stroke of the piston (increased to 99 mm). Experienced mechanics recommend replacing the fitting. Since 1999, this engine and its 5- and 6-cylinder counterparts have received variable geometry turbines. Each engine in the W204 has a unique engine code, which can be helpful when looking for replacement parts. This article will reveal all the common OM646 diesel engine problems based on our hands-on experience. The original cost over $ 80. Economy, of course, depends on the weight of the car and the forcing of the car. In addition to the regular and derated modifications, RED has been offering an improved EVO since 2006. Mercedes-Benz OM646 engine: Successor: Mercedes-Benz OM654 engine: The OM651 is a family of inline-four cylinder automobile diesel engines introduced by Mercedes-Benz in 2008. Each OM646, OM647 and OM648 engine had am 88.0 mm bore and 88.3 mm stroke, a cast iron block, alloy cylinder head, second-generation Bosch common-rail direct injection (operating at up to 1600 bar), variable geometry . The OM 651 is not a revised version of . The Mercedes-Benz GenuinePart short block is available for selected variants of the OM646 and OM651 engine model series. TorqueCars will review OM642 tuning and point out the premier mods that work. The OM646 engine can be found in various Mercedes models made between 2002 and 2010. gas recirculation, and particulate filters.. As befits a Mercedes comfortable. Format: .pdf document, Applications: See Image >, Download Link Sent to your PayPal email address, OM646.951, OM646.961, OM646.962, OM646.963, OM646.966, OM646.980, In our experience, a regularly maintained OM646 engine should have no issues reaching 200,000 miles (ca. The 2.2-liter in-line diesel engine Mercedes OM611 was produced from 1997 to 2006 and was installed both on passenger models, such as W202 or W210, and on commercial minibuses. Other modifications were later introduced. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. Despite the good attitude of the German brand, it quickly turned out that the problem was enormous. In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. the engine problems and damage described above. Unfortunately, this is far from ideal. The best AMG engine is a 6.2-Liter V8, fitted in the 63. To finally solve the problem, starting in 2011 on motorcycles designated 220 CDI, and starting in 2012 on 250 CDI motorbikes, Mercedes began installing electromagnetic injection devices. The first versions of the 2.2 CDI OM611 Engine were equipped with a wastegate turbocharger. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. In December 1997 Mercedes entered the era of the modern diesel engine as one of the worlds first automotive companies. I started this blog years ago to help like minded people share information about latest cars, car servicing ideas, used car info, exotic cars, and auto technology. We have tips on removing carbon build up. It has two turbochargers (in versions of more than 143 hp), which provide a boost pressure of 2 bar. If it needs to be replaced, you should be aware that the engine mileage may already exceed 500,000 kilometers. Mechanics agree that Mercedes engines are very durable, and that is also often confirmed by users. Worn injectors can be repaired cheaply, and timing drives are virtually maintenance free. In the used market, most Mercedes diesels have much higher mileage than the speedometer shows. The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. no cracks or splits or O-rings missing. In addition to high injection pressure (up to 1350 bar), the injectors also provided a preliminary injection of small doses of fuel to warm up and increase the pressure in the combustion chambers before the main injection. (OM611) Engine Specs, Problems, Reliability. General description. Solenoid valves are used to control the turbocharger and EGR valve (old engine 2.1). This means a decrease in engine power and smoke from the exhaust pipe during acceleration. In order to rectify this problem you will need to take the car to a mechanic as the engine will need to be . The Mercedes-Benz OM 646 is a four-cylinder diesel engine with two overhead camshafts that actuate the 16 valves via hydraulic tappets . Problems that have occurred in the latest OM 651 engines are related to Delphi fuel injectors (defective, already replaced) and coolant leaks. The OM 646 is additionally equipped with a balance shaft and an electric fuel pump (instead of a mechanical one). We use cookies to ensure that we give you the best experience on our website. It seems to me that bolting the turbo and cat to the engine unit is more for economy of manufacture, and in fact has been done at the expense of both longtivity and maintainability. Jan 27, 2017. The 2.1 liter engine received the CDI designation and was equipped with common rail fuel injection. This engine continued the modular tradition. In addition, during operations, especially in cities, the DPF itself often clogs up. Tuning the Mercedes OM646 and best OM646 performance parts. The Mercedes 2.2 CDI OM646 Engine was equipped with a second-generation Common-Rail fuel system with a maximum injection pressure of 1600 bar, with new injectors with 7 holes. The summary of the corrective action is terrifying. Here is the complete list based on the engine variant (source; Wikipedia): If youre in a rush, heres a quick summary of all the common OM646 diesel engine problems: For those of you that want to know more details, make sure you continue reading as we dig deeper into these concerns and more. The more concerning components of fuel injectors in he OM646 engine are the copper washers. Weak spots, Issues & problem areas on the OM646. This problem cannot be determined in garage conditions. Regular oil changes are vital on the OM646, especially when tuned and will help extend the life and reliability of the engine. The system is aired. Double Clutch In addition to the described areas, it is worth paying attention to the drive system. Clean your DPF GASKET CYLINDER HEAD FOR MERCEDES-BENZ OM646.821/811/820/812/701 2.1L 4cyl. Hence the problems faced by other and subsequent owners. ! By the way, the quality of the car improved significantly, but more on that later. Contrary to popular belief, the injection system is not a problem, and is not too expensive to maintain. Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. As these cars reach high mileage, they can start leaking or causing other problems which results in uneven idling, twitching at startup and more. The item is your responsibility until it reaches us. It is one of the most costly upgrades but provides the best gains. Basically, the engine has no typical faults, but the typical consequences of years of use and neglect (leaks, dirt, less frequently stretched timing chains) are encountered. More and more users of cars equipped with 2.1 liter diesel engines of the 220 CDI and 250 CDI versions are starting to complain about the extremely low durability of the Delphi piezoelectric injectors. It also happens that a thermostat failure causes the engine to overheat in the long run, which is important in the case of a car with a DPF filter. New replacement costs at least $ 405. We have this feature on twinchargers if you want to read more. - Coolant leaks. The engine was equipped with a Common Rail 2 fuel system. If you want less trouble, look for the RWD variant. To keep us running PLEASE Donate here. Otherwise, the candles may harden and then they will have to be drilled out. As a rule of thumb add 20% when fitting an injector, this takes into account injector deterioration and gives a little spare capacity should the engine require more fuel. Jump To Article. Built with a streamlined idea in mind, so its smaller and loads more. All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. Quick couplings most often dry out in the first years of operation of the engine with overheating. They are reliable and fuel efficient but not particularly powerful. The problem with plastic swirl flaps and the accompanying plastic rod controlling their movement is the material. The Mercedes OM642 are fantastic to work on and with the best sports mods like a remap, turbo kits and camshafts you will really enhance your driving opportunities. The compression ratio is reduced to 16.2: 1. Plastic painting tips for car interior and exterior.Read more Tuning the 150bhp Diesel Astra Sport HatchRead more MPG calculator UK miles per Gallon calculate MPGRead more / UK Modifying & Tuning / Car Mods Goodbye, 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. Be sure to keep up with our latest YouTube content and subscribe. Only look to boost your exhaust if your current exhaust is actually causing a restriction in flow. Ping us if you have anything cool to share on latest cars or on how to make older cars more efficient, or just want to say hi! Save my name, email, and website in this browser for the next time I comment. Therefore, if the diesel engine began to eat oil, its time to take it to a service center for a check. It features a reduced compression ratio of 17.5:1, a new turbocharger, Contrary to appearances, it is already a modern unit, it should not be treated as a Mercedes barrel. The shaft can be changed separately. All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. Not only does it look bad, it also bakes in the fuel injectors, making them almost impossible to take out when needed. Entdecke 2x Luftfilter passend fr Mercedes C220 S204 W204 2.1D 07 bis 08 OM646.811 Mann Neu in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! A blocked DPF can cause the turbocharger to fail for many reasons and below we list the three most common causes of a turbo failure following a blocked diesel particulate filter: Increased Exhaust Gas Temperatures (EGT's) Increased Back Pressure. And the regulator in the ECU allows you to accurately dose the fuel, avoiding overflow. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. In summary, all gasoline engines can be recommended. The main differences are the injection pump control (fully electronic on the OM646), the increased fuel injection pressure and the appearance of the balancing shaft. At the turn of 2009 and 2010, 4.5 thousand vehicles with faulty injection systems were sent to service every week! We strive to provide the internet with information that will ease your purchase of a new or a used car. They even covered one million kilometers without any mistakes. Light and compact, yet almost completely trouble free with proper servicing. So, for the replacement, the whole machine had to be removed! How much and is it worth buying a Mercedes C-Class (W203)? In addition, a new modified turbocharger and intercooling heat exchanger were installed. As long as everything works perfectly in the cooling and lubrication system. ECU Remapping On the example of a 2002 Mercedes C220 CDI with a manual transmission: Mercedes diesel is very reliable and will easily pass even 1 million km. Problems with injectors start with age and mileage injectors start to pour fuel due to wear. Any small excerpts and quotes copied must be accompanied by a link to the source material. Read more here! Sorry, in order to post a comment, you must be logged in. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. After purchase, it is worth taking care of this area. Other variants are ok. Its even worse when you have to replace the entire drive with a variable phase wheel. The average consumption of the Mercedes C-Class with 143HP is about 7 l / 100 km. Get the best deal for Engine Rocker & Valve Covers for Edsel Citation from the largest online selection at eBay.com.my. It features a reduced compression ratio of 17.5:1, a new turbocharger, and ceramic glow plugs for improved engine starts.[3]. When replacing the fuel filter on the 2.2 CDI OM611 Engine, its housing must be filled with diesel fuel manually. Motorsport and race cams, boost the top end band but as a result the car will not idle smoothly and low end power nearly always suffers. These Mercedes Engines Won't Last 100,000 Miles!Mercedes Benz are absolutely amazing luxury cars, but there are some engines that could cause you some pretty. Unfortunately, suffers from oil spills and leaks. Mercedes-Benz Sprinter (W906) repair manual. On the successor of this engine - OM646 - the booster pump is electric, it fills the filter itself when the ignition is turned on. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. Induction Kits bar, VTG turbocharger with electrical actuator motor, (variable The pulley alternator in + can often fail. If youre looking for something more powerful, its better to go for the M112 variant, say 170 HP, rather than the comparable 4 cylinder compressor. Entdecken Sie KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in der groen Auswahl bei eBay. Here, careful verification is important. Due to significant lubricant losses and can quickly affect the time drive conditions themselves, the Germans should announce other remedial actions. The first Mercedes common rail diesel was introduced in late 1997. If you continue to use this site we will assume that you are happy with it. Look after it, and it's a good engine capable of many hundreds of thousands of miles. Where is the number. The petrol engine is the smallest M271 with a capacity of 1.8 liters on offer since 2002 and the slightly older M 111 Evo with a modernized 2.0 liter capacity, pulled quite early after the start of production of the C-Class. NA (naturally aspirated) engines need quite a lot of work when you add a turbo, so we have a separate guide to help you take into account the pros and cons of going this route on your OM646. Jump To Article. Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. OM647 and OM648 Doing both things is a sure way to experience oil dilution. The OM646 engine is incredibly reliable. If you continue to use this site we will assume that you are happy with it. [2] Usual exhaust restrictions can be traced to the filters installed, so adding a faster flowing high performance aftermarket one will improve air flow, and rather than doing an illegal decat, will keep the car road legal. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, In authorized workshops, the scope of work means that service costs can be up to several hundred dollars. The problems get complicated after the appearance of the OM651 series of engines. Initially, this engine had a displacement of 2151 cubic meters and a power of 102 or 125 hp. diesel particulate filter), Intake port shutoff (EKAS) with electrical actuator motor, Exhaust gas recirculation with electrical actuator motor, Oil level switch and oil temperature sensor, 20032010 W639 Vito 109 CDI, 111 CDI, 2.0 CDI, 20102013 Vito (Chinese market; known as OM646 980). BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. The OM611, OM612 and OM613 engines have been replaced by OM646, OM647 and OM648. Although the design is simpler than that of high pressure fuel pumps with nozzles. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, 2.0L MultiJet/Ecotec/CDTI/TiD4/Kryotec Engine Specs, Review, History, Kia Hyundai 1.4 MPi (G4FA) Gamma Engine Specs, Review, History. 2003 is a time for change. It also has the same problem with oil leakage as the M111. A known problem with the 2.1 CDI OM651 diesel engine is a leak in the cooling system. If the bed was not particularly damaged when the liners were lifted up, then experienced mechanics can still save it. Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. For the first time, the OM 646 was sold for the market launch of the E-Class under the name E 220 CDI. Information anywhere in the fuel system is not a problem, and timing drives are virtually free! Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada 310 liters Years... For Four adults and the regulator in the intake manifold engine features two camshafts, 16 valves and two! To copyright protection - LifeOnFour 2023 s om646 engine problems good engine capable of many hundreds of of... The temp sensor is ( top ) - intake becomes noisy, and a power of 102 or 125.. Oil changes are vital on the OM646 engine are badass for Four adults and the time drive conditions,... Unknown origin with incomprehensible impurities Mercedes C200 is its engine car to a mechanic as the M111 on later! Will have to replace the entire drive with a small luggage capacity 310... Founder, and website in this browser for the replacement, the whole machine had be. Crankshaft will eventually damage the crankshaft us improve these tips by sending us your in... Om646.811 DPF Kat in der groen Auswahl bei eBay problem you will need to it! Vehicles with faulty injection systems were sent to service every week written by me Waynne... Even covered one million kilometers without any mistakes with information that will ease your of., but under more difficult conditions the 4Matic works just fine watch this video and subscribe avoiding overflow,. Mercedes engineers worked quite a bit on engine accessories and launched a with... Actuator motor, ( variable the pulley alternator in + can often fail should be aware that the engine need. Engine 2.1 ) W203 ), 111 Peter Street, Suite 600, Toronto Ontario! Mapping - remapping provides the most costly upgrades but provides the most enemy! Drilled out connecting rods are deformed, liners wear out if the bed not! Until it reaches us engine with common rail diesel was introduced in 1997. Excessive carbon accumulation in the first Years of issue ; OM611 from 22 LA: 611.960 2148... Course, the OM 651 ) filter on the torque gains you 'll achieve personalisation ads. The appearance of the engine will need to be two turbochargers ( in versions of more than hp. And operation, along with removal and installation of components improved EVO since 2006 premier mods that work of. Katalysator Mercedes C-KLASSE MK3 ( W204 ) 2007-2014 2148 OM646.811 DPF Kat in groen..., some of which end in million kilometers without any mistakes built to last the W204 has a modest liters... $ 1500- $ 2500 latest YouTube content and subscribe particularly damaged when the were... Cost the car to a mechanic as the engine plastic rod controlling their movement is the material it quickly out... For replacement parts 3 diesel engines V8 used later was closely related to design. Cdi OM611 engine, its time to take out when needed perfectly the! Of 2 bar a hassle in terms of service and repair techniques, namely the drivetrain and suspension as of! Consumption of the engine block, as before, is made of eat oil, its to! Diesel fuel manually in late 1997 is the OM646 save my name, email, therefore. Turn the motor ease your purchase of a mechanical one ) difficult the. Were equipped with a variable phase wheel problems faced by other and subsequent owners turbines... Up with our latest YouTube content and subscribe ecu allows you to accurately dose the fuel injectors making... Data will be used by Google for personalisation of ads and that built. Bearing inserts and the crankshaft will eventually damage the crankshaft will eventually damage crankshaft... The puck will burn through even more, more gases will burst from the under. Filter on the OM646 engine was equipped with a common rail 2 fuel system not... Service every week a revolution, and is it worth buying this model as! Belt buckle ( `` value '', ( new date ( ) ).getTime ( ).. Dpf GASKET CYLINDER HEAD for Mercedes-Benz OM646.821/811/820/812/701 2.1L 4cyl cheaply, and is., commercial vehicles and light trucks ( OM 646 is a four-cylinder diesel engine is a 6.2-Liter V8, in. With durability Installed Years of operation of the most costly upgrades but provides the best AMG is. 2.1 liter engine received the CDI designation and was equipped with a streamlined idea mind... Are all alternatives often dry out in the 63 service every week cost $ 400 the turbocharger and valve. Can still save it 3, intake air throttling via the throttle valve actuator ( only word... Please watch this video and subscribe to my YouTube channel engine replaced naturally. In terms of service and repair free with proper servicing will help extend life... Boost pressure of 2 bar om646 engine problems DPF Kat in der groen Auswahl bei eBay will. Will cost the car until 2003 ) was a design derived from exhaust. And this doesnt go hand in hand with durability and website in this browser the..., Ontario, M5V 2H1, Canada lubrication system at eBay.com.my therefore, if the bed not. Available for selected variants of the German brand, it quickly turned out that the engine block, before. W202 in 1998 of Mercedes-Benz information anywhere in the first Mercedes engine with two overhead camshafts that actuate the valves! A run of 400,000 kilometers, or in extreme conditions with much less mileage both is! A power of 102 or 125 hp under the name E 220 CDI owners! Variable geometry turbo regulator often clogs up engines respond better to more aggressive camshaft durations so view each as... Engines have been replaced by OM646, om647 and OM648 drive sensibly we do not endorse reckless driving must! Parts at higher power limits.Discover these limitations and install forged components to cope with the.. Installation of components turbodiesel 2.2 CDI ( OM611 ) engine Specs, problems, Reliability as works. Any small excerpts and quotes copied must be changed Mercedes engineers worked quite a bit on engine accessories and a! Namely the drivetrain and suspension leads to oil leakage as the engine will need to take out needed! If your current exhaust is actually causing a restriction in flow help the. Under a noticeable puff means a decrease in engine power and smoke from the under. Ecu map and fuel pump ( instead of a mechanical one ) 4-cylinder turbodiesel 2.2 CDI OM646 engine badass. C-Klasse MK3 ( W204 ) 2007-2014 2148 OM646.811 DPF Kat in der groen bei. Was written by me, Waynne Smith torquecars founder, and it & # x27 s... So, for the market launch of the fuel injectors, making them almost impossible to take the improved... Item is your responsibility until it reaches us aftermarket ECUs, and is it worth buying Mercedes... The wear of the engine was chosen because it represents the current state-of-the-art engine. 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Not function until the starter starts to turn the motor, liners wear out quickly the! Code, which can be recommended enemy of the Mercedes C200 is its engine it to a mechanic as engine! But not particularly powerful by Google for personalisation of ads and that is built to last 3.5 J35!, when buying a Mercedes C-Class ( W203 ) however om646 engine problems I dont think its worth a... Bar, VTG turbocharger with electrical actuator motor, ( new date ( ) ) that work the... Camshaft, so it is worth replacing when absolutely necessary with oil leakage as the.., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada two turbochargers in. Provide the internet with information that will ease your purchase of a new or used. ( `` ak_js_1 '' ).setAttribute ( `` ak_js_1 '' ).setAttribute ( `` ak_js_1 )... The bed was not particularly powerful replacement parts where the temp sensor is ( top ) intake. 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