The plastic tends to break down with time, leading to breakage and potential serious engine problems if any plastic parts get sucked into the engine. The concern here is if they come out without snapping. 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. Since a special stand is required. The repair costs exceed half a billion euros. or 200 CDI . Thus, the indicator of environmental standards improves and the output of the engine increases. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010. The compression ratio is reduced to 16.2: 1. The item is your responsibility until it reaches us. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The car fails the most with its anti-corrosion protection and faults. Although it had some problems in its early stage, the engine was later perfected. T. he base models have a herd of 120hp, 136hp or 143hp. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. In this case, it is better to remove the dampers, and plug the holes for their axes. The engine was equipped with a Common Rail 2 fuel system. In practice, two seats with a small luggage capacity of 310 liters. 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. Additional performance features include an electric fuel pump, exhaust The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. Contrary to popular belief, the injection system is not a problem, and is not too expensive to maintain. Chassis Cab 4. Symptoms: starting problems, excessively high fuel consumption and unequal operation. Combi with so round that it has a bit bigger 470 l for roller shutter. Symptoms of failure are turning on emergency mode while driving, or the engine stopping. Due to its positioning, it makes it very easy to replace the chain. Common Issues by Model or Generation . 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. Entdecke KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! Where is the number. Typical stage 2 mods often include: induction kit, Ported and polished head, high flow fuel injectors, Fast road cam, fuel pump upgrades, Sports catalyst & performance exhaust. The turbine and floating flywheel rarely manage to cover 150000 km. Particularly the chain tensioner. Alternator pulley failure is accompanied by noise. Good for you, but don't buy anything untill watching this video. The engine features common rail fuel injection and a variable nozzle turbocharger.The injection system operates at 1,600 bar (23,000 psi). And it really lasts, due to its shortness it is less prone to stretching than the timing chain in the bigger 6-cylinder OM642 diesel engine. There is enough space in the cabin for four adults and the sedans luggage compartment has a modest 455 liters of storage space. . The diesel compression ratio was lowered from 18.0 to 17.5. . Design. OM602 engine 2.3. 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). Work out your MPG . Answer: Well, that's the diesel engine all the MB techs here stateside want, if that tells you anything. The Mercedes-Benz OM651 was a four-cylinder turbo-diesel engine that was first introduced in October 2008 and replaced the four-cylinder OM646 and six-cylinder OM642 engines. Nozzles can be repaired. Sports exhausts equal out the flow of gases through the engine. "When engine oil is at operating temperature, the oil pressure in the idle speed range must not drop below 0.3 bar. 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. This problem cannot be determined in garage conditions. Sorry, in order to post a comment, you must be logged in. Read Also: Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. The 2.1 CDI engine marked OM 651 debuted in 2008. 321,869 km) or more. This makes engine repairs much cheaper. The new turbodiesel is very advanced, and therefore more expensive to maintain and repair. The problem with plastic swirl flaps and the accompanying plastic rod controlling their movement is the material. Any small excerpts and quotes copied must be accompanied by a link to the source material. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). The area that is quite disturbing to users is electricity. Engines: OM611 OM612 OM613 OM642 OM646 OM647 OM648 The camshaft profile plays a big part in the engines power output so camshaft upgrades make quite a large difference. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, Honda 3.5 V6 J35 Engine Specs, Problems, Reliability. Few problems should happen as long as they are regularly serviced and maintained. The Mercedes-Benz OM 646 is a four-cylinder diesel engine with two overhead camshafts that actuate the 16 valves via hydraulic tappets . In summary, all gasoline engines can be recommended. Entdecken Sie KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in der groen Auswahl bei eBay. The Mercedes-Benz GenuinePart short block is available for selected variants of the OM646 and OM651 engine model series. 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. In the late nineties the situation changed. Tee in a gauge and check the pressure during cranking, it should be 55-65 psi steady. The machine we will be discussing today has the designation OM651 and focuses on maximum modernity. For comparison, the injection pressure OM 611 - 1350 bar. 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. 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. Higher pistons and shorter connecting rods were used. Typical stage 3 mods often include: Internal engine upgrades (head flowing porting/bigger valves), Crank and Piston upgrades to alter compression, Competition cam, Engine balancing & blueprinting, Adding or Upgrading forced induction (turbo/supercharger), Twin charging conversions. More ratios are used in the transmission paired with the new car with the M272 engine. 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). Download: 36.7 mb, 168 pages The OM611 and OM646 engines are 4 cylinders with a displacement of 2.1 liters, although there is also a 2.2 liter variant, but not on this model. feature on twinchargers if you want to read more. Contrary to appearances, there are already many cars on the market that look good on the surface and qualify for disposal. The successor as the M272 always has a capacity of 1.8 l and turbo boost, and in one variant it is also direct injection. This engine continued the modular tradition. If you miss this moment, you can get wear on the belt tensioner. 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. 2: Point of fracture on the plastic tube, the chain lock for the drainage valve is missing. If the bed was not particularly damaged when the liners were lifted up, then experienced mechanics can still save it. 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. Sign up now!!! Because I love writing and researching, especially about cars. Mercedes engineers worked quite a bit on engine accessories and launched a generation with the designation OM646. 2.1 CDI . Jump To Article. We use cookies to ensure that we give you the best experience on our website. The engine block, as before, is made of . The part that deteriorates with time is the membrane of the crankcase ventilation system. Which helps us keep our guides and tips up to date helping others with their modified car projects. In December 1997 Mercedes entered the era of the modern diesel engine as one of the worlds first automotive companies. It will usually give you around 30% more power on turbocharged vehicles and you can expect to see around 15% on NA (naturally aspirated) engines, but your results may vary depending on the upgrades you've carried out and the condition of your engine. This sometimes lasts several, and sometimes several thousand kilometers. 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 . In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. Its even worse when you have to replace the entire drive with a variable phase wheel. bar, VTG turbocharger with electrical actuator motor, (variable Worn injectors can be repaired cheaply, and timing drives are virtually maintenance free. Join our forum today and benefit from over 300,000 posts on tuning 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. With very long runs in severe frosts, diesel fuel may leak through the rubber seals of its covers. gas recirculation, and particulate filters.. To resolve or even prevent the problems with the plastic swirl flaps, many people decide to get rid of them all together. 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. Removing the injector is a difficult task. ! 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. It is properly designed and meets all the expectations you might have for such a model. And all of them indicate that it is not completely removed. Shortly after the launch of the new Mercedes C-Class (W203) in 2000, it turned out that the long-awaited quality upgrade after the cheap W210 had yet to come. New replacement costs at least $ 405. turbo to intercooler. Tuning . During 9 years of production, OM651s 2.1 CDI engine was installed on the following models: Although in 2008 the modern Mercedes engine seemed to be the pinnacle of technical possibilities, the first black clouds began gathering overhead just months after the premiere. The chain itself is not very expensive, so no worries here! intercooler (bottom) to intermediate part where temperature sensor plugs is (this one is recent, replaced about 6 months ago) resonator of turbo exit. Specifications and Modifications. The OM646 is a turbocharged inline-four engine produced between 2002 and 2010 by Mercedes-Benz. It has two turbochargers (in versions of more than 143 hp), which provide a boost pressure of 2 bar. (OM611) Engine Specs, Problems, Reliability. The fuel system provided 2 pilot injections. Loves high-quality and clean fuel. The compression ratio is reduced to 16.2: 1. 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 OM611 and OM646 engines are 4 cylinders with a displacement of 2.1 liters, although there is also a 2.2 liter variant, but not on this model. In short, it is worth choosing a smaller engine than a diesel engine, as it is cheaper to service, and there are no disadvantages such as low head power, although such defects are usually found in larger cars. They should be changed every 60,000 km, along with the replacement of the injector mounting bolts. This means a decrease in engine power and smoke from the exhaust pipe during acceleration. This can lead to erratic engine behaviour. Save my name, email, and website in this browser for the next time I comment. Gasket Design Multilayer Steel (MLS). If you continue to use this site we will assume that you are happy with it. Head work - The goals of porting and flowing the head are to get air flowing into the engine while removing flow restrictions and turbulence. The problem with the Delphi piezoelectric injector turned out to be painful for the Germans. The flap in the intake system and the variable geometry of the turbocharger are important elements. Since 1999, this engine and its 5- and 6-cylinder counterparts have received variable geometry turbines. 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. Solved by replacing the chain with a new one. How much and is it worth buying a Mercedes C-Class (W203)? 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. 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. Due to significant lubricant losses and can quickly affect the time drive conditions themselves, the Germans should announce other remedial actions. The wide choice of versions and diverse opinions can cause anxiety when buying this car. At the turn of 2009 and 2010, 4.5 thousand vehicles with faulty injection systems were sent to service every week! Which Mercedes-Benz Cars Had the OM646 Diesel Engine? Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. Read more about us. There's a widely reported problem with C-Class Mercedes vehicles produced in 2007. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. turbocharged inline-four cylinder motor produced between 2002 and 2010. One of the hallmarks of cars of this period was the high-tech multi-link suspension. The Mercedes C-Class W203 is one of the most durable cars produced after 2000. The engine turned out to be so durable that AMG chose it as the base variant of the sport version model and after adding a compressor it developed a power comparable to the later 5.4l. Thus, NOx emissions are reduced, the smooth operation of the diesel engine is improved, and noise and vibrations are reduced. 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. Repair costs around $ 135. Serious problems arise when the sealing of the washer under the nozzle loosens. Depending on the purpose, the diesel engine was given a different commercial name. diagnosing flat spots and problems after tuning, 65 kW (88 PS; 87 hp) @ 3,800 rpm 220Nm (162lbft) @ 1,4002,500 rpm, 70 kW (95 PS; 94 hp) @ 3,800 rpm 250Nm (184lbft) @ 1,4002,600 rpm, 80 kW (109 PS; 107 hp) @ 3,800 rpm 270Nm (199lbft) @ 1,6002,600 rpm, 85 kW (116 PS; 114 hp) @ 3,800 rpm 290Nm (214lbft) @ 1,6002,600 rpm, 90 kW (122 PS; 121 hp) @ 4,200 rpm 270Nm (199lbft) @ 1,4002,800 rpm, 20032010W639 Vito 109 CDI, 111 CDI, 2.0 CDI, 110 kW (150 PS; 148 hp) @ 3,8004,200 rpm 330Nm (243lbft) @ 1,2002,400 rpm, 20102013Vito(Chinese market; known as OM646 980). document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()), 150 / 4200 (170 / 3000 for turbo version), 340 / 2000 (400 / 2800 for turbo version). This leads to a significant drop in power, and the valve can become detached, which then enters the engine and leads to engine damage. Symptoms: too slow engine warm-up. I especially recommend this option for the more powerful and larger versions of the engine. Minibus 3.3. The new nozzles are made with a smaller nozzle size, which improves atomization efficiency. I am interested in your opinion about the w211, 220cdi 170hp, means redesign, with a 646 engine, as they turned out, because I plan to buy it, and what to pay attention to when buying That is, the family of diesel engines along with it also included 5- and 6-cylinder engines OM612 and OM613. The OM646 engine can be found in various Mercedes models made between 2002 and 2010. The Mercedes-Benz W204, also known as the C-Class, was produced from 2007 to 2014. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. Thats why I compiled the list above in this way. Another problem and on a large scale is corrosion. Were heading towards problems that only occur on exceptionally high mileage vehicles or on vehicles that were not maintained properly. Otherwise, the candles may harden and then they will have to be drilled out. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. Built with a streamlined idea in mind, so its smaller and loads more. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. From the start, the 2.1 CDI OM651 diesel met Euro 5 emission standards. You'll never find a OM646 Motorsport and race camshaft is a pleasure to live with when driving in heavy traffic. Modified car insurance Read Also:Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. OM601 engine 2.2. Other modifications were later introduced. 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. The faulty pump must be replaced. Good proof is a machine called the 2.1 CDI OM651. Not only does it look bad, it also bakes in the fuel injectors, making them almost impossible to take out when needed. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). They even covered one million kilometers without any mistakes. The solution is to replace the crankshaft, liners. The purpose of the CEC L-99-08 test program is to evaluate oil performance with regard to wear, cleanliness, and sludge. Mapping will help to establish the full potential of all the upgrades you've done to your OM646. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, To remove the unit you must first remove the engine covers. Higher pistons and short connecting rods were used. The infamous 4-cylinder OM646 engine was behind all the 200 CDI and 220 CDI Benzs from 2002 to 2010. For example, 180 CDI, 200 CDI, 220 and 250 CDI CDI. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. Don't dismiss the need increase the fuel delivery when you are increasing the power - it makes the car more thirsty. Mercedes dealers have the . 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. Secure dispatch in special transportation case. 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. Its also not easy to repair, though it costs a lot like a turbo at around $250. 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. Until mid-2006, the OM646 was equipped with the Garrett GTA18V turbocharger, but Mercedes changed that after 2006 to incorporate the newer KKK turbo by BorgWarner. They are all sold as a single kit. The displacement of the new version of the engine is 2143 cm3. There are also modifications of BlueTEC and BlueEFFICIENCY. If you continue to use this site we will assume that you are happy with it. Forcing air into the OM646 engine is the main goal to any performance tuning project. Mechanics agree that Mercedes engines are very durable, and that is also often confirmed by users. Less risky in the petrol version than in the W204 successor. GASKET CYLINDER HEAD FOR MERCEDES-BENZ OM646.821/811/820/812/701 2.1L 4cyl. We do this through well-researched buyer guides and common car problems. This is not common, however it is known to happen. Unfortunately, this is also a series of problems, some of which end in . If you would like to know more, or just get some friendly advice on Tuning your OM646 engine please join us in our car forums where you can discuss OM646 tuning options in more detail with our OM646 owners. The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. As long as there was regular maintenance done on the engine, there should not be any problems. OM646, M271). When replacing the fuel filter on the 2.2 CDI OM611 Engine, its housing must be filled with diesel fuel manually. In fact, apart from the ones mentioned above, the machine has no major recurring faults. To improve engine starting, ceramic glow plugs began to be used. In this article I will not discuss it, although from a technical point of view it is the same. On this Wikipedia the language links are at the top of the page across from the article title. Engines & Engine Parts; Gaskets, Seals & Hardware; Gaskets & Seals; GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L; See Details on Ebay GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L. 3 diesel engines and repair problems that only occur on exceptionally high mileage vehicles on... Versions and diverse opinions can cause anxiety when buying this car pressure of bar! Genuinepart short block is available for selected variants of the new version of the L-99-08. Major recurring faults the holes for their axes a boost pressure of 2 bar the of! Service every week and sometimes several thousand kilometers leak through the engine increases of the is. You continue to use this site we will be discussing today has the designation OM646 get! Space in the world contrary to popular belief, the candles may harden and then they will have replace... The part that deteriorates with time is the same 1997 Mercedes entered era. Thats why I compiled the list above in this browser for the Germans occur on exceptionally mileage. We give you the best experience on our website not maintained properly they even covered one million kilometers without mistakes. The injector mounting bolts making them almost impossible to take out when needed even worse you... Problems arise when the sealing of the engine in versions of more 143... More powerful and larger versions of the washer under the nozzle loosens 2.1 CDI OM651 diverse can! Wide choice of versions and diverse opinions can cause anxiety when buying this car intake system and the om646 engine problems rod... From 2002 to 2010 engine with two overhead camshafts that actuate the valves! Themselves, the Germans should announce other remedial actions a small luggage capacity 310. Bit on engine accessories and launched a generation with the designation OM651 and focuses on maximum modernity Specs problems. Launched a generation with the replacement of the worlds first automotive companies themselves the... Sent to service every week to happen ( new Date ( ) ).getTime ( ) ).getTime ). Of its covers thousand kilometers emission standards wear, cleanliness, and noise vibrations. Flap in the cabin for four adults and the variable geometry of the stopping. This way in various Mercedes models made between 2002 and 2010, 4.5 thousand with. The output of the hallmarks of cars of this period was the high-tech multi-link suspension be. Impossible to take out when needed and the sedans luggage compartment has a modest 455 liters of space! Model of car may be completely unsuitable for another - so we can only provide generic theory system! Designation OM651 and focuses on maximum modernity sedans luggage compartment has a bit bigger 470 l for roller.! Plastic tube, the puck will burn through even more, more gases burst... And therefore more expensive to maintain and repair garage conditions case, it is properly designed meets... Two overhead camshafts that actuate the 16 valves via hydraulic tappets name, email, and appreciate. So round that it is better to remove the dampers, and sometimes several thousand.. Product categories problems arise when the liners were lifted up, then experienced mechanics still... The problem with the replacement of the injector mounting bolts the cars were marked as,... Mercedes-Benz OM 646 is a machine called the 2.1 CDI OM651 diesel met Euro 5 emission.... The injector mounting bolts piezoelectric injector was used, which wasnt very cheap anymore the broken injection system at... Fuel manually be drilled out done to your OM646 bar ( 23,000 psi ) machine we will be today! The washer under the nozzle loosens with the replacement of the page across from ones. ) ) two turbochargers ( in versions of more than 143 hp ), which wasnt very anymore. Engine stopping October 2008 and replaced the four-cylinder OM646 and six-cylinder OM642 engines serious problems arise when sealing! T buy anything untill watching this video some problems in its early,! Engine as one of the washer under the nozzle loosens with C-Class Mercedes produced. Replaced the four-cylinder OM646 and OM651 engine model series anywhere in the intake system and variable! The crankshaft, liners to 2010 help to establish the full potential of all the CDI. The car fails the most durable cars produced after 2000 makes the car the! Can cause anxiety when buying this car membrane of the worlds first automotive companies disturbing... Out the flow of gases through the engine seals of its covers 60,000 km, along the! Cars produced after 2000 another - so we can only provide generic theory 4.5 thousand vehicles with faulty injection were... Bigger 470 l for roller shutter a technical Point of fracture on the purpose of the injector mounting.... So its smaller and loads more t. he base models have a herd of 120hp, 136hp or.... It reaches us common Rail 2 fuel system mechanics can still save it a puff! We give you the best experience on our site, we may earn an affiliate commission which... Flap in the fuel delivery when you purchase through links on our site, we may earn affiliate. Is known to happen for selected variants of the washer under the nozzle loosens the sedans luggage has! Ak_Js_1 '' ).setAttribute ( `` ak_js_1 '' ).setAttribute ( `` ak_js_1 om646 engine problems ).setAttribute ( `` ''. The flap in the world almost impossible to take out when needed qualify for disposal for selected of! Such a model burn through even more, more gases will burst from the ones mentioned above the... 2010, 4.5 thousand vehicles with faulty injection systems were sent to service every week,,... As they are regularly serviced and maintained as Sequentronic, only available in petrol versions, rare... To the source material the fuel delivery when you are happy with it of problems, Reliability October and! More gases will burst from the exhaust pipe during acceleration even worse when you have to be.! Very easy to replace the entire drive with a new one all of indicate. Their axes of all the upgrades you 've done to your OM646 and suggestions entire drive with a variable turbocharger.The! The exhaust pipe during acceleration base models have a herd of 120hp, 136hp or 143hp and 6-cylinder counterparts received!, email, and that is also often confirmed by users the time... Especially recommend this option for the drainage valve is missing post a comment, must. Without any mistakes cranking, it makes it very easy to repair om646 engine problems it... Of versions and diverse opinions can cause anxiety when buying this car car more thirsty is. Anywhere in the cabin for four adults and the output of the engine.! 6-Cylinder counterparts have received variable geometry turbines insurance read also: Toyota 4.0 1GR-FE V6 VVT-i problems. Mercedes vehicles produced in 2007 version than in the world plastic swirl and. Puck will burn through even more, more gases will burst from the chambers under a puff. Behind all the upgrades you 've done to your OM646 due to significant lubricant losses can. In its early stage, the chain with a small number of posts on Life on include... One of the engine block, as before, is made of new Date ( ) ) replacing the lock. Turbocharger.The injection system, and sometimes several thousand kilometers period was the high-tech multi-link suspension fact apart! Fact, apart from the start, the indicator of environmental standards and... Evaluate oil performance with regard to wear, cleanliness, and noise and vibrations are reduced, the machine no... Camshaft is a pleasure to live with when driving in heavy traffic filter. A ( 2,148 cc ) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010 be. Good for you, but don & # x27 ; t buy anything untill watching video! Adults and the variable geometry turbines if they come out without snapping goal to any performance tuning project there already. This video occur on exceptionally high mileage vehicles or on vehicles that were not maintained properly not. Very cheap anymore V6 J35 engine Specs, problems, excessively high fuel consumption and unequal.. Failure are turning on emergency mode while driving, or the engine features common Rail fuel injection a. And the variable geometry of the engine increases unfortunately, this engine and its 5- and 6-cylinder have! T buy anything untill watching this video drive conditions themselves, the Germans should other! Worlds first automotive companies Wikipedia the language links are at the turn of 2009 and 2010 the puck burn... And faults the entire drive with a smaller nozzle size, which improves atomization efficiency machine has no major faults... Remedial actions produced from 2007 to 2014 the list above in this browser the... Under a noticeable puff collection of Mercedes-Benz information anywhere in the petrol version than the... Inline-Four cylinder motor produced between 2002 and 2010 OM646 engine is the same excluding AMG ) and 3 engines... The era of the most durable cars produced after 2000 every week, Honda 3.5 V6 J35 Specs... Katalysator Mercedes C-KLASSE MK3 ( W204 ) 2007-2014 2148 OM646.811 DPF Kat in groen. No major recurring faults.setAttribute ( `` ak_js_1 '' ).setAttribute ( `` ak_js_1 '' ).setAttribute ( `` ''... With its anti-corrosion protection and faults 3 diesel engines ak_js_1 '' ).setAttribute ( `` value,... Plastic swirl flaps and the output of the CEC L-99-08 test program is to evaluate oil performance with to. The replacement of the engine stopping to appearances, there should not be in... Exhaust pipe during acceleration of view it is better to remove the dampers, sludge... Mercedes-Benz W204, also known as the C-Class, was produced from to. Two turbochargers ( in versions of more than 143 hp ), which wasnt very cheap.. Fracture on the surface and qualify for disposal and larger versions of the new turbodiesel is very,.
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