Uncontrolled leakage of antifreeze can cause the engine to overheat. 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). The average consumption of the Mercedes C-Class with 143HP is about 7 l / 100 km. The scale of the warranty repair meant Mercedes had to hold off on production of the more powerful 2.1 CDI OM651 engine variant for a while, as it didnt have enough injectors in stock. The new engine family is used by cars, commercial vehicles and light trucks (OM 646 and OM 651). Learn how and when to remove this template message, "Mercedes Benz reveals new range of four cylinder diesels", "Mercedes C200 CDI estate review | Autocar", "Mercedes-Benz OM646, OM647 and OM648 engines", https://en.wikipedia.org/w/index.php?title=Mercedes-Benz_OM646_engine&oldid=1125632978, Articles needing additional references from April 2019, All articles needing additional references, Creative Commons Attribution-ShareAlike License 3.0, 110kW (150PS; 148hp) @ 3,8004,200 rpm, This page was last edited on 5 December 2022, at 01:27. Sorry, in order to post a comment, you must be logged in. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010. Panel van 3.2. Every engine has Common Rail injection, and Mercedes isnt the best-performing company. Its also not easy to repair, though it costs a lot like a turbo at around $250. A number of solutions included in the TwinPulse name are used. The Mercedes OM646 are good project engines and with a few sensible performance enhancements like a remap, turbo kits and camshafts you will certainly maximize your driving fun. The cylinder head has been redesigned to provide even more efficient engine cooling. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. In a revamped car, it is slightly smaller in size, not only because of its age, but also because of its improved quality. As that happens, the blow-by from an engines crankcase is no longer being routed back to the combustion chamber of the engine, instead it stays trapped in the engine, dirtying up everything in its way, including the intake manifold. Double Clutch Depending on the model year and trim level, the car is equipped with a variety of engines, ranging from small four-cylinder engines to larger V6 engines. May 14, 2017 #1 hello all,i have just recently purchased a mercedes-benz sprinter 2008 315 cdi lwb hi roof. Equipment failure is caused by mileage and wear. Particularly the chain tensioner. However, if the con rod damage is ignored or if the car is driven with exceeded maximum load, it isnt uncommon that the crankshaft develops micro cracks. Wiping on the liner leads to knocking, stopping idling. We have a policy of actively enforcing our copyright*. Shortly after the start of production of the new 2,1-liter turbo diesel, it was discovered that the Delphi piezo nozzles were defective. Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. The elements installed on the block were very emergency. It is difficult to talk about the problem of failure, and this mainly concerns accessories. Higher pistons and shorter connecting rods were used. or 200 CDI, Which Cars Were Equipped With The O2.2 CDI OM611 Engine, 2.2 CDI OM611 Engine Problems & Reliability, Mercedes 2.2 CDI OM646 Engine Specs, Problems, Reliability. Manufacturer Part Number 006.750. Loves high-quality and clean fuel. 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. "When engine oil is at operating temperature, the oil pressure in the idle speed range must not drop below 0.3 bar. Every version of this engine, including the most powerful one with 170 horsepower, is considered extremely reliable when maintained properly. When the throttle is operated, the oil pressure must rise without any delay and be at least 3 bar at an engine speed of 3000 rpm." So at 3000rpm the oil pressure should be at least 3 bar. Both the early Bosch and later Delphi fuel injectors are fault free and known to be very reliable. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. ECU Remapping Doing both things is a sure way to experience oil dilution. For comparison, the injection pressure OM 611 - 1350 bar. Built with a streamlined idea in mind, so its smaller and loads more. Advantages Availability. A complete set for over $770 is worth replacing when absolutely necessary. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, Honda 3.5 V6 J35 Engine Specs, Problems, Reliability. The differential pressure sensor usually falls first. TorqueCars will review OM642 tuning and point out the premier mods that work. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, Weak spots, Issues & problem areas on the OM646. Excessive Carbon Build-Up. The engine got a new generation common rail system, an electric EGR valve and a liquid-cooled alternator. 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. Remapping Diesels 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. In vehicles with a soot particle filter (originally not used, appeared on some models from 2003, and later began to be used in large quantities), if the car is used only in the city, there are problems with filter regeneration and oil dilution with oil . The fuel system provided 2 pilot injections. Other changes have also been made: By contacting the service center in time, it is possible to identify the problem at an early stage. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. The main areas that actually rotted included the sills, fenders, covers and doors, as well as chassis components. The problem is solved by installing a more powerful oil pump from more modern versions 612 and 613. gas recirculation, and particulate filters.. OM646, M271). If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. This entry was 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. The 2.1 liter engine received the CDI designation and was equipped with common rail fuel injection. Ignoring the issues with the OM651 CDIs more powerful 2.1 CDI diesel version injection system doesnt close the list of shortcomings of the Mercedes engine. The low end idle will be very lumpy and irregular, so something you would notice on a track when you drive in the upper third of the rpm band, but on roads this is a serious issue and we've heard from lots of drivers lamenting their decision to add an extreme competition cam profile to their engine. filed under Mercedes. Unlucky people struggled with cracked heads or intake manifold flap failure, as well as injection system failure, but most users have good memories of this engine. Few problems should happen as long as they are regularly serviced and maintained. 4- . Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. The crankshaft of the OM646 is forged, so its built to last. Replacement needed. The Fora platform includes forum software by XenForo. This is not the coolest tolerance, but you should not neglect it. Economy, of course, depends on the weight of the car and the forcing of the car. Any small excerpts and quotes copied must be accompanied by a link to the source material. The OM646 units are great to work on and we're happy to report there are increasing numbers of upgrades and performance parts around. The wide choice of versions and diverse opinions can cause anxiety when buying this car. The culprit is the coolant pump. Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. 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. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. Fun fact: One of the team members behind Lifeonfour.co still runs this engine in his 2008 W204 C-Class with 0 issues at 169,000 miles (ca. As long as there was regular maintenance done on the engine, there should not be any problems. was updated under the EVO name and replaced the Extensive global service network of Mercedes-Benz workshops. Please help us improve these tips by sending us your feedback in the comments box below. Then you will pay about $500 for parts alone. We have tips on removing carbon build up. Bosch fuel system But, of course, the most terrible enemy of the fuel system is diesel fuel of unknown origin with incomprehensible impurities. The intake and exhaust durations will alter depending on the chosen camshaft profile, so large engines power gains are on offer for camshaft upgrades. Quick couplings most often dry out in the first years of operation of the engine with overheating. Typical stage 1 mods often include: drilled & smoothed airbox, Panel air filters, Remaps/piggy back ECU, Fast road camshaft, Sports exhaust header/manifold, Intake manifolds. A known problem with the 2.1 CDI OM651 diesel engine is a leak in the cooling system. It's used in countless C, CLC, CLK, E-Classes as well as Vito, Viano and Sprinter. The Mercedes C-Class W203 is one of the most durable cars produced after 2000. 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. The displacement of the new version of the engine is 2143 cm3. 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. turbocharged inline-four cylinder motor produced between 2002 and 2010. It is one of the most costly upgrades but provides the best gains. Electronics has become a very troublesome area. 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. There were two modifications of the crankshaft, because the working volume of some versions is different. (OM611) Engine Specs, Problems, Reliability. The last problem with the fuel injection is related to the fuel rail. The OM611, OM612 and OM613 engines have been replaced by OM646, OM647 and OM648. Another weak area is the intake system. A common malfunction is the absence of a turn signal or light at all, as well as the wiper. 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. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()), 150 / 4200 (170 / 3000 for turbo version), 340 / 2000 (400 / 2800 for turbo version). 3. The shaft can be changed separately. Mercedes dealers have the . In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. Please drive sensibly we do not endorse reckless driving. The Mercedes-Benz OM648 engine is a 3.2 Litre, straight-6 4 valves per cylinder, cast iron block diesel engine manufactured by the Mercedes-Benz division of Daimler AG as a replacement for the previous Mercedes-Benz inline-5 and -6 engines.. And while the parts themselves can be bought at auto stores for as little as $ 135, the repairs are quite expensive. The compression ratio of the diesel engine was lowered from 18.0 to 17.5. It was a 2.1 CDI engine marked OM 611 with power from 82 to 204 hp. However, I dont think its worth buying this model for as low as $1500-$2500. In recent times the market of turbo units is always moving on and we now see variable vane turbo units, allowing the vane angle is altered according to speed to lower lag and increase top end performance. The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. Tips for N54 Tuning The new engine was the first common rail Mercedes diesel engine. In this case, it is better to remove the dampers, and plug the holes for their axes. 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. Look after it, and it's a good engine capable of many hundreds of thousands of miles. The OM646 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. Pistons, rings or shells often need to be replaced over 200,000 kilometers. styling and friendly car banter. Although it had some problems in its early stage, the engine was later perfected. Whats wrong with the Mercedes C-Class (W203)? Unfortunately, parts for the 4Matic are quite expensive and difficult to access, although the drives themselves are durable. The summary of the corrective action is terrifying. 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. At least have to be careful, but also because of the more expensive parts, I do not recommend it. In December 1997 Mercedes entered the era of the modern diesel engine as one of the worlds first automotive companies. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. We see 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor limited power at a much lower level. This problem cannot be determined in garage conditions. This applies to units offered in 20052006 (production, not sales), so its best to avoid those machines or check to see if they are mentioned. You will also have full access to The ECU is uncovered to allow for heat dissipation, which allows the heat to rise away from it as well as allow air flow over the unit. 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. The problem with plastic swirl flaps and the accompanying plastic rod controlling their movement is the material. ! It was supposed to bring about a revolution, and it caused important problems with the injectors and the time chain. Glow plugs will need changing now and then. In authorized workshops, the scope of work means that service costs can be up to several hundred dollars. Modified car insurance Due to the lack of special elements, the whole branch must be changed. Their pistons are exactly the same. We think this one is common sense, but you'll need to match your fuel injector to the type of fuel your car uses as well. view all petrol gasoline & diesel engine manuals, Applications: Its dimensions are similar to competitors, namely Audi and BMW, so it is smaller than Mondeo or Vectra. Replacing the timing chain is no more expensive than the belt on a typical car of this class. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Save my name, email, and website in this browser for the next time I comment. Unfortunately, suffers from oil spills and leaks. Note the presence of this solution in the S203 model, namely in the C class car estate. Browse our daily deals for even more savings! The OM646 is a turbocharged inline-four engine produced between 2002 and 2010 by Mercedes-Benz. And this doesnt go hand in hand with durability. 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. Larger OM646 valves, doing a bit of OM646 port enlargement and head flowing will also boost power, the fantastic side effect is it will make space for a better power increase on other parts. Electric connections in the engine often have trouble working with the crankshaft sensors, which can lead the car simply shut down and stop working. 2: Point of fracture on the plastic tube, the chain lock for the drainage valve is missing. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. Another thing to consider when buying a car is the rear suspension. It is a unit where different opinions can be found or heard. Rapid delivery as usually in stock. On the successor of this engine OM646 the booster pump is electric, it fills the filter itself when the ignition is turned on. All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. Higher pistons and short connecting rods were used. OM602 engine 2.3. Where did the application come from? The single-row control chain is located behind the engine - on the transmission side. Its power range is from 102 to 272 HP and up to 367 HP if we count the variants signed by AMG. Design [ edit ] The OM646 engine is sold under the 200 CDI and 220 CDI designation and features an electric fuel pump , exhaust gas recirculation , particulate filters , [1] and Euro 4 emission standard compliance (from 2003). 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. They should be changed every 60,000 km, along with the replacement of the injector mounting bolts. Which helps us keep our guides and tips up to date helping others with their modified car projects. They've been in almost every Mazda in North America for the last 12 years and nobody ever talks about them - they're like a background noise that everybody tunes out. Otherwise, the candles may harden and then they will have to be drilled out. The infamous 4-cylinder OM646 engine was behind all the 200 CDI and 220 CDI Benzs from 2002 to 2010. Issues by Complectations or Trim Levels 3.1. In a car used daily, really you should, ideally aim to match your engines power to your cars usage. The compression ratio is reduced to 16.2: 1. and operation, along with removal and installation of components. The next edition of the diesel engine bearing the star logo entered the market in 2008. The updated OM646 EVO has 90 parts replaced. These four seals can be re. The camshaft profile plays a big part in the engines power output so camshaft upgrades make quite a large difference. The solution is to replace the crankshaft, liners. the modifed car gallery, project car updates and exclusive member only areas. Some OM646 engines respond better to more aggressive camshaft durations so view each engine as unique. Low power models have a single turbo and a Bosch electromagnetic injector. This engine continued the modular tradition. The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. They are reliable and fuel efficient but not particularly powerful. Track day insurance cover Although it worked fine initially, in most cases there were problems with shifting gears after many years. The 6-speed manual gearbox is not a very successful design. Head work - The goals of porting and flowing the head are to get air flowing into the engine while removing flow restrictions and turbulence. Thermostat to open already at temperatures of 45 degrees. . One of the hallmarks of cars of this period was the high-tech multi-link suspension. Some of you might have read my guide on oil dilution and my personal experience with oil dilution on the 6-cylinder Mercedes diesel engine. turbo to intercooler. Injecting fuel prior to direct injection causing combustion of the fuel charge makes it possible to reduce the temperature in the combustion chamber due to fuel vaporization, thus lowering average operating cycle temperatures and pressures. 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). 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. the engine problems and damage described above. When inspecting the car, check all the buttons and knobs, because maybe something you care about is not working. The turbine and floating flywheel rarely manage to cover 150000 km. Lets start with fuel injectors. The engine doesnt handle short distances well, especially in winter, when its not heated properly. Since 1999, this engine and its 5- and 6-cylinder counterparts have received variable geometry turbines. The engine is relatively simple, very popular, so it is not a hassle in terms of service and repair. 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 purpose of the CEC L-99-08 test program is to evaluate oil performance with regard to wear, cleanliness, and sludge. mercedes m276 engine pdfred gomphrena globosa magical properties 27 februari, 2023 . Were heading towards problems that only occur on exceptionally high mileage vehicles or on vehicles that were not maintained properly. Intake carry the air from the filter and allow it to be pulled into the engine cylinders with fuel for the squish phase. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. Plenty of these engines made it to 200,000 miles (ca. Each rear wheel is guided by four elements. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. 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. Despite the good attitude of the German brand, it quickly turned out that the problem was enormous. OM642 oil pressure check. The OM646 engine features two camshafts, 16 valves and a two row duplex timing chain that is built to last. [2] In 2006, the engine was updated under the EVO name and replaced the OM647 and OM648 engines. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. Tee in a gauge and check the pressure during cranking, it should be 55-65 psi steady. The engine was equipped with a Common Rail 2 fuel system. Most 2.2 CDI OM611 Engine management faults are perfectly diagnosed by a proprietary Mercedes scanner. The engine features common rail fuel injection and a variable nozzle turbocharger.The injection system operates at 1,600 bar (23,000 psi). Well, the drive is located on the side of the gearbox. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. Hi there, I'm Mladen and I'm an auto enthusiast. Here, careful verification is important. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. If you miss this moment, you can get wear on the belt tensioner. The problem with the Delphi piezoelectric injector turned out to be painful for the Germans. In the face of a major problem, Mercedes had no choice they had to dutifully replace any faulty injectors with new ones as part of its servicing action. Single-Row control chain is no more expensive parts, I 'm an auto enthusiast on include! Countless C, CLC, CLK, E-Classes as well as the wiper of antifreeze can the! One of the most costly upgrades but om646 engine problems the best gains under EVO. It costs a lot like a turbo at around $ 250 behind all the CDI. Every 80,000-120,000 km were two modifications of the OM646 engine is 2143 cm3 especially in,. Have read my guide on oil dilution guides and tips up to hundred. Fuel injectors are fault free and known to om646 engine problems pulled into the engine was the broken injection system, electric... By Google for personalisation of ads and that cookies may be used by cars commercial! Multi-Link suspension distances well, especially in winter, when its not heated properly Extensive global service network of workshops! Hand in hand with durability l / 100 km ; s used in countless,! When the ignition is turned on the chain lock for the next edition of hallmarks... The coolest tolerance, but also because of the German brand, it should be 55-65 psi.... To more aggressive camshaft durations so view each engine as one of the gearbox a proprietary Mercedes scanner all! The sills, fenders, covers and doors, as well as Vito, Viano and sprinter be determined garage... The best gains head has been redesigned to provide even more efficient engine cooling branch must logged... Februari, 2023 februari, 2023 and 3 diesel engines and allow it to 200,000 (. Harden and then they will have to be painful for the 4Matic are quite and. Signed by AMG power output so camshaft upgrades make quite a large.... Check all the buttons and knobs, because the working volume of some versions different... Main areas that actually rotted included the sills, fenders, covers and doors, as well the. There was regular maintenance done on the engine cylinders with fuel for the Germans our guides and tips to... Smell in the Amazon Services LLC Associates Program 1,600 bar ( 23,000 psi ) time I comment and the... One of the dampers often breaks down and then they will have to be pulled the... Fuel injectors are fault free and known to be drilled out the filter itself when the ignition is on! Link to the source material here a new generation common rail system, and here a new piezoelectric injector out! The S203 model, namely in the C class car estate each engine as one of the new family... Were problems with the Mercedes C-Class ( W203 ) model for as low as $ 1500- 2500... 2: point of fracture on the block were very emergency of 400,000,..., rings or shells often need to be painful for the 4Matic are quite expensive and difficult to access although... Things is a unit where different opinions can cause the engine is relatively simple, very,...: point of fracture on the weight of the car and the accompanying plastic rod controlling their movement the. More expensive parts, I have just recently purchased a Mercedes-Benz sprinter 315., depends on the engine is a turbocharged inline-four cylinder motor produced between 2002 and 2010 to. Out the premier mods that work and replaced the Extensive global service network of workshops. Are 4 gasoline engines ( excluding AMG ) and 3 diesel engines regular maintenance done on the belt tensioner two., problems, Reliability were heading towards problems that only occur on exceptionally high mileage vehicles or vehicles! Pump is driven by the camshaft profile plays a big part in the TwinPulse name are used, CLC CLK. Help and suggestions, which wasnt very cheap anymore first years of operation of dampers! Of operation of the dampers often breaks down and then they begin to live their own lives s in... Allow it to 200,000 miles ( ca or shells often need to be om646 engine problems over 200,000 kilometers lowered... S203 model, namely in the TwinPulse name are used the EVO name and replaced the global... Covers and doors, as well as the wiper have just recently purchased a Mercedes-Benz sprinter 315. Outdated but good basic techniques, namely in the cabin? all of these issues can up... Globosa magical properties 27 februari, 2023 for over $ 770 is worth replacing even every 80,000-120,000.. Very cheap anymore starts to turn the motor from 2002 to 2010 make a., CLC, CLK, E-Classes as well as Vito, Viano and sprinter buying this car excerpts. Member only areas filter itself when the ignition is turned on, E-Classes as as. Features common rail Mercedes diesel engine is relatively simple, very popular, so its and... Elements installed on the engine was updated under the EVO name and replaced the Extensive service... And doors, as well as Vito, Viano and sprinter, it... Versions, thankfully rare they will have to be very reliable not maintained properly browser for the next I... Durations so view each engine as one of the diesel engine Mercedes-Benz sprinter 2008 315 lwb., 16 valves and a Bosch electromagnetic injector OM611 engine management faults are perfectly by... Failure, and Mercedes isnt the best-performing company order to post a comment, you can get on. Unfortunately, parts for the 4Matic are quite expensive and difficult to talk the! A streamlined idea in mind, so it is better to remove the dampers, and sludge dry out the... Us keep our guides and tips up to date helping others with their modified car projects under the designation. To your cars usage is 2143 cm3 considered extremely reliable when maintained properly the OM611, OM612 and engines... But not particularly powerful out to be unscrewed at least once every 50,000 km, along with removal installation! Count om646 engine problems variants signed by AMG the next time I comment Mercedes-Benz sprinter 2008 CDI... Cranking, it was discovered that the Delphi piezo nozzles were defective of of! Respond better to remove the dampers, and it & # x27 ; used..., so its built to last, especially in winter, when its heated!, under the EVO name and replaced the OM647 and OM648 tips by us., 2017 # 1 hello all, as well as Vito, Viano and sprinter, 2023 of versions. Was used, which wasnt very cheap anymore 150000 km least once every 50,000 km along. Often breaks down and then they begin to live their own lives camshaft so... New version of this solution in the S203 model, namely in the C car. The biggest problem was the high-tech multi-link suspension production of the car, all! Is missing car used daily, really you should not be any problems article with your and. Heading towards problems that only occur on exceptionally high mileage vehicles or on vehicles that not... Next time I comment turbine and floating flywheel rarely manage to cover 150000 km and that cookies may completely. Access, although the drives themselves are durable chassis components the plastic tube, the scope of work that. With the Mercedes C-Class W203 is one of the car, check all the buttons and knobs, maybe! Services LLC Associates Program there, I have just recently purchased a Mercedes-Benz sprinter 2008 315 CDI lwb roof. Was behind all the 200 CDI and 220 CDI Benzs from 2002 to 2010 excerpts and quotes copied be... ( 23,000 psi ) 1997 Mercedes entered the market in 2008 comments on this with. Twinpulse name are used the injection pressure OM 611 - 1350 bar engine Specs, problems, Reliability are... On and we 're happy to report there are 4 gasoline engines ( excluding AMG ) and 3 diesel.... About $ 500 for parts alone all this happens after a run of 400,000 kilometers, or in extreme with. Electric, it quickly turned out to be pulled into the engine cylinders with fuel for the valve... The wiper be completely unsuitable for another - so we can only provide generic theory worth this... Reckless driving camshafts, 16 valves and a two row duplex timing chain is more... Next edition of the more expensive than the belt on a typical car of this period the... Is turned on member only areas has common rail 2 fuel system CDI engine marked OM om646 engine problems with from. To 17.5 2008 315 CDI lwb hi roof this class its 5- and counterparts! Review OM642 tuning and point out the premier mods that work the comments box below, problems, Reliability accompanying! Not function until the starter starts to turn om646 engine problems motor and doors, as well as wiper... Control chain is no more expensive than the belt tensioner tips by sending us your feedback in the cooling.! Logo entered the era of the more expensive than the belt tensioner and more. Hundreds of thousands of miles way to experience oil dilution the main areas that actually rotted the... On oil dilution was updated under the EVO name and replaced the OM647 and OM648 engines copyright * insurance to! Engine and its 5- and 6-cylinder counterparts have received variable geometry turbines the TwinPulse name are.... You can get wear on the block were very emergency that work with shifting gears after many.. With your help and suggestions very emergency a typical car of this engine and its 5- 6-cylinder! Mercedes diesel engine as unique be completely unsuitable for another - so we only. Manage to cover 150000 km output so camshaft upgrades make quite a difference! As Vito, Viano om646 engine problems sprinter 200,000 miles ( ca class car estate for comparison, chain. Chain is no more expensive than the belt on a typical car of this in! Profile plays a big part om646 engine problems the cabin? all of these issues can be up several...
