om646 engine problems
In a direct comparison with its predecessor, consumption has been further reduced and the engine . 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. All content is subject to copyright protection - LifeOnFour 2023. Combi with so round that it has a bit bigger 470 l for roller shutter. the engine problems and damage described above. That's the OM646 engine in 150PS / 340Nm guise, prior to the 2006 EVO upgrade to 170PS / 400Nm. The pulley alternator in + can often fail. Its the engine that gives the car the most fun to drive, but its also potentially the biggest risk with expensive repairs. Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. It was supposed to bring about a revolution, and it caused important problems with the injectors and the time chain. The turbine and floating flywheel rarely manage to cover 150000 km. May 14, 2017 #1 hello all,i have just recently purchased a mercedes-benz sprinter 2008 315 cdi lwb hi roof. When inspecting the car, check all the buttons and knobs, because maybe something you care about is not working. There is a choice of rear-wheel drive variants and the classic 4Matic with a transfer case, with the axle out to the front axle. The more concerning components of fuel injectors in he OM646 engine are the copper washers. 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. Shopping for a Mercedes-Benz? Why word? Particle filter accessories arent the most durable either. Additional performance features include an electric fuel pump, exhaust As long as there was regular maintenance done on the engine, there should not be any problems. Gasket Design Multilayer Steel (MLS). The crankshaft of the OM646 is forged, so its built to last. Its power range is from 102 to 272 HP and up to 367 HP if we count the variants signed by AMG. While replacing all rocker arms isnt a huge expense (about $250), self-leveling shock absorbers in terms of repair are $128-$154 per item. 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. ECU Remapping At least have to be careful, but also because of the more expensive parts, I do not recommend it. Save my name, email, and website in this browser for the next time I comment. It has a smaller cylinder diameter, the time chain goes to the side of the gearbox, and in more powerful variants (over 143 horses) it has, including a Delphi piezoelectric injector and two turbochargers. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. The OM646 is an extension of this engine with a thoroughly modernized cylinder head, but generally the same engine. W204 Engine Codes. The engine features common rail fuel injection and a variable nozzle turbocharger.The injection system operates at 1,600 bar (23,000 psi). By the way, mechanical compressors called compressors by Mercedes were not a source of trouble or major expenses, like the regular turbochargers in gasoline engines from that period. Nozzles can be repaired. 2 and 3 connecting rods are deformed, liners wear out. And as a tip, when buying a used car, look at the date of the technical inspection. A complete set for over $770 is worth replacing when absolutely necessary. We use cookies to ensure that we give you the best experience on our website. The cylinder head has been redesigned to provide even more efficient engine cooling. Tuning the Mercedes OM646 and best OM646 performance parts. Help us improve, leave a suggestion or tip. The engine has an injection system Common Rail Bosch with first generation magnetic nozzles, exhaust recirculation and turbocharger. The flaps wear out and break. You'll never find a OM646 Motorsport and race camshaft is a pleasure to live with when driving in heavy traffic. Which Mercedes-Benz Cars Had the OM646 Diesel Engine? The first Mercedes common rail diesel was introduced in late 1997. The main goal was to create a common engine design that maximized the parts commonality between the engines manufactured by parent company, Daimler. They are all sold as a single kit. One of the most notable features of the Mercedes C200 is its engine. filed under Mercedes. 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. Multiple versions mean that the engine can be used in most of the Mercedes lineup. Please watch our video which covers the 5 principles of tuning your car. The best AMG engine is a 6.2-Liter V8, fitted in the 63. 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. In this new series I hightlight common or ridiculously expensi. The Mercedes-Benz OM646, OM647 and OM648 were a family of diesel engines with four, five and six cylinders, respectively, which replaced the OM611, OM612 and OM613 engines. Please help us improve these tips by sending us your feedback in the comments box below. In this article I will not discuss it, although from a technical point of view it is the same. Read Also: Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. The problem with plastic swirl flaps and the accompanying plastic rod controlling their movement is the material. Experienced mechanics recommend replacing the fitting. The purpose of the CEC L-99-08 test program is to evaluate oil performance with regard to wear, cleanliness, and sludge. The compression ratio is reduced to 16.2: 1. In fact, they differ only in the number of cylinders. Also, the cylinder head camshaft drive often wears out. The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. You can leave a response below or join our forum to discuss this article and car modification in detail with our members. 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. Good proof is a machine called the 2.1 CDI OM651. In addition to the regular and derated modifications, RED has been offering an improved EVO since 2006. However, leaks are not the only problem with the time chain. It debuted shortly before the advent of this generation of C-Class. W639 Vito 111 CDI, 2.0 CDI, 111 CDI (2003 2010), Plastic swirl flaps in the intake manifold tend to break down with age, Blocked or damaged crankcase ventilation system, Oil leaks around the crankcase ventilation module, Leaky injector seals lead to CDI Black Death. Issues by Complectations or Trim Levels 3.1. The engine starts to sneeze, stalls. Plenty of these engines made it to 200,000 miles (ca. Usually the cause of the accident lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. 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. They even covered one million kilometers without any mistakes. 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! If youre looking for a well-maintained C-Class, its the most expensive, costing around $5000-$6500. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. Thank you very much. Design. Hence the problems faced by other and subsequent owners. The 2.1 liter engine received the CDI designation and was equipped with common rail fuel injection. The shaft can be changed separately. 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. In the intake manifold of the 2.2 CDI OM611 Engine there are flaps for the filling channels. 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! 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. Due to significant lubricant losses and can quickly affect the time drive conditions themselves, the Germans should announce other remedial actions. (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.). If it needs to be replaced, you should be aware that the engine mileage may already exceed 500,000 kilometers. We see 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor limited power at a much lower level. The displacement of the new version of the engine is 2143 cm3. Built with a streamlined idea in mind, so its smaller and loads more. Its even worse when you have to replace the entire drive with a variable phase wheel. To resolve or even prevent the problems with the plastic swirl flaps, many people decide to get rid of them all together. The problem is solved by installing a more powerful oil pump from more modern versions 612 and 613. The item is your responsibility until it reaches us. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, Honda 3.5 V6 J35 Engine Specs, Problems, Reliability. It may lack precision and work a little harder, but it still guarantees the right level of fuel economy, and is simpler and can be remanufactured cheaply. Every version of this engine, including the most powerful one with 170 horsepower, is considered extremely reliable when maintained properly. 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). Regular oil changes are vital on the OM646, especially when tuned and will help extend the life and reliability of the engine. The compression ratio is reduced to 16.2: 1. The new nozzles are made with a smaller nozzle size, which improves atomization efficiency. To keep us running PLEASE Donate here. And this doesnt go hand in hand with durability. In practice, two seats with a small luggage capacity of 310 liters. Any small excerpts and quotes copied must be accompanied by a link to the source material. Problems that have occurred in the latest OM 651 engines are related to Delphi fuel injectors (defective, already replaced) and coolant leaks. Where did the application come from? By the way, the V8 used later was closely related to this design. Low Power? 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. 271,979 km). This reduces the degree in the combustion chamber and reduces the temperature value of the working cycle, pressure. 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. 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. Engines: OM611 OM612 OM613 OM642 OM646 OM647 OM648 As long as everything works perfectly in the cooling and lubrication system. After purchase, it is worth taking care of this area. The machine we will be discussing today has the designation OM651 and focuses on maximum modernity. mercedes m276 engine pdfred gomphrena globosa magical properties 27 februari, 2023 . By the way, the quality of the car improved significantly, but more on that later. It was available with a variety of petrol and diesel engines, including: 1.6-liter M274 I4 engine; 1.8-liter M271 I4 engine; 2.1-liter OM646 diesel I4 engine; 2.1-liter OM651 diesel I4 engine; 2.5-liter M272 V6 engine; 3.0-liter M272 V6 engine; 3.5-liter M276 V6 . We do this through well-researched buyer guides and common car problems. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()), 150 / 4200 (170 / 3000 for turbo version), 340 / 2000 (400 / 2800 for turbo version). Check crankshaft bearings for alignment. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. Greeting. The OM 646 is additionally equipped with a balance shaft and an electric fuel pump (instead of a mechanical one). In the used market, most Mercedes diesels have much higher mileage than the speedometer shows. The summary of the corrective action is terrifying. 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. I usually find intake manifold are crying out for aftermarket tuning parts, although some car makers provide reasonably good intake manifold. 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. Other modifications were later introduced. Particularly the chain tensioner. OM617 engine 3. The cylinder head has been redesigned to provide even more efficient engine cooling. The faulty pump must be replaced. Find a mercedes benz private on Gumtree in Walsall, West Midlands, the #1 site for classifieds ads in the UK. Therefore, experienced mechanics warn novice car owners not to save on oil, filters and other consumables. The Mercedes-Benz GenuinePart short block is available for selected variants of the OM646 and OM651 engine model series. Save my name, email, and website in this browser for the next time I comment. On the successor of this engine - OM646 - the booster pump is electric, it fills the filter itself when the ignition is turned on. 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.. Double Clutch Sign up now!!! 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). The engine was offered in five power variants. The common rail injection system ensures smooth engine operation and low fuel consumption. Chassis Cab 4. They are also torn off here in whole or in fragments, but they almost never harm the engine they are plastic. 3. 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 This one can also stretch pretty fast. The main symptom of problems with injectors is an uncertain start of the engine. Wiping on the liner leads to knocking, stopping idling. In addition to the described areas, it is worth paying attention to the drive system. Even in the early nineties, Mercedes diesel engines were in a class of their own. The goal is to achieve stable operation and high torque at low revs, so it should end up with problems with timing drives. - Valves in the intake manifold. Due to its positioning, it makes it very easy to replace the chain. The failure of the solenoid valves leads to a decrease in the power of the Mercedes engine. It features a reduced compression ratio of 17.5:1, a new turbocharger, and ceramic glow plugs for improved engine starts.[3]. Remapping Diesels Normal current draw is 6-9 amps. The smaller diameter of the nozzles allowed for better atomization of the fuel. Clean your DPF Mercedes-Benz Sprinter (W906) repair manual. Electronic component failure doesnt really matter, although it can irritate the driver. All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. Definitely get the auto box, subject to Mr E's Valeo / glycol warning. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. However, the difference between the R4 and R5 is not big enough to release a more powerful variant. Excessive Carbon Build-Up. 4- . Regular oil + filter changes and frequent motorway runs will help to . 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). 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). Another thing to consider when buying a car is the rear suspension. Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. We love hearing about our website visitors projects, especially the mods done and which work best for you on your car. It was also installed on the E-class W210, Vito and Sprinter. 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. Not only does it look bad, it also bakes in the fuel injectors, making them almost impossible to take out when needed. Life On Four is more than just another automotive media outlet. In the most severe cases, the crankshaft cracks. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. Because they appear early in the exploitation, it doesnt bode well for the future. This makes engine repairs much cheaper. In fact, apart from the ones mentioned above, the machine has no major recurring faults. Plunger pairs are very tenacious, but wear can be observed on the injection pump shaft, more precisely on the eccentric cam. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, They are all united by cast-iron blocks, aluminum cylinder heads with 4 valves per cylinder (recall that it was Daimler engineers who created the first mass-produced diesel engine with 4 valves per cylinder OM606 in 1993) and duplex chains in the timing drive. Although the design is simpler than that of high pressure fuel pumps with nozzles. The 2.1 CDI engine marked OM 651 debuted in 2008. There were two modifications of the crankshaft, because the working volume of some versions is different. But, of course, the most terrible enemy of the fuel system is diesel fuel of unknown origin with incomprehensible impurities. *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.). The intake and exhaust durations will alter depending on the chosen camshaft profile, so large engines power gains are on offer for camshaft upgrades. intercooler (bottom) to intermediate part where temperature sensor plugs is (this one is recent, replaced about 6 months ago) resonator of turbo exit. In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. The intake manifold on the OM646 features plastic swirl flaps that ensure proper mixing of fuel and air at low speeds. Many of these engines are being killed by owners who go into austerity mode, which means using the cheapest oil and consumables. and operation, along with removal and installation of components. Unfortunately, parts for the 4Matic are quite expensive and difficult to access, although the drives themselves are durable. The engine was equipped with a Common Rail 2 fuel system. Many owners unknowingly did not change the refractory washers under the nozzles. The main areas that actually rotted included the sills, fenders, covers and doors, as well as chassis components. Stretching the timing chain is a favorite problem of the 2.2 CDI OM646 Engine . The reason for this malfunction is seen as insufficient performance of the oil pump against the background of a high load on the crankshaft, especially when constantly driving in tightness in high gears on a loaded minibus. The updated OM646 EVO has 90 parts replaced. There's a widely reported problem with C-Class Mercedes vehicles produced in 2007. Other changes have also been made: By contacting the service center in time, it is possible to identify the problem at an early stage. . 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. Big turbo chargers commonly experience a bottom end lag, and low capacity turbo chargers spool up much more quickly but don't have the top end bhp gains. Soon it turned out that another defect involved the time chain seal. We have this feature on twinchargers if you want to read more. 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. engines. Solved by replacing the chain with a new one. The OM646 engine is incredibly reliable. 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. Such improvements enabled it to produce 622hp, making it the highest horsepower engine at . Replacement needed. Mercedes engineers worked quite a bit on engine accessories and launched a generation with the designation OM646. Specifications Of The Mercedes 2.2 CDI OM611 Engine. On this Wikipedia the language links are at the top of the page across from the article title. 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. T. he base models have a herd of 120hp, 136hp or 143hp. The test is a replacement for the OM602A test but with more severe requirements. Uncontrolled leakage of antifreeze can cause the engine to overheat. Jump To Article. TorqueCars will provide a guide to OM646 tuning and outline the best modifications. You will also have full access to Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. Classic cars with converters have 5 or 7 gears. Important in the description, because the capacity of the engine is less important than the type. Also, one of the features of the Common Rail 2 injection is the ability to provide two injections preparatory and main. Please drive sensibly we do not endorse reckless driving. Fast road cams commonly boost the power across the rpm range, you may sacrifice a little low end power but your top end will improve. This leads to a significant drop in power, and the valve can become detached, which then enters the engine and leads to engine damage. Its also not easy to repair, though it costs a lot like a turbo at around $250. Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. keep up with our latest YouTube content and subscribe. It's used in countless C, CLC, CLK, E-Classes as well as Vito, Viano and Sprinter. We use cookies to ensure that we give you the best experience on our website. In 2010, engineers upgraded it to Euro 6. They are reliable and fuel efficient but not particularly powerful. Quite often there are error messages that are difficult to verify (especially on diesel engines). Jump To Article. Modified car insurance The Mercedes-Benz W204, also known as the C-Class, was produced from 2007 to 2014. If you use good quality parts at an independent repair shop, you can pay well under $ 820 for the same repair. Although it had some problems in its early stage, the engine was later perfected. Carbon build up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. 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. The repair costs exceed half a billion euros. Symptoms of failure are turning on emergency mode while driving, or the engine stopping. Save my name, email, and website in this browser for the next time I comment. Problems with the throttle and pneumothorax are also typical. The camshaft profile plays a big part in the engines power output so camshaft upgrades make quite a large difference. The OM 651 is not a revised version of . Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. For a better experience, please enable JavaScript in your browser before proceeding. There are also modifications of BlueTEC and BlueEFFICIENCY. The more air you can get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes massive power gains. Some of the most common engine names include the M271, M111, and OM611, each with its own set of strengths and weaknesses. feature on twinchargers if you want to read more. 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. It depends on the approach to the car. Unfortunately, this is also a series of problems, some of which end in service actions. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. The compression ratio of the diesel engine was lowered from 18.0 to 17.5. Minibus 3.3. Best of all is the OM646 EVO as fitted to 06-08 E Class 220cdi - this was the most refined version of this engine, and can be identified by 220cdi cars with 170ps. The elements installed on the block were very emergency. Nozzles break down about 50.000 km. Glycol warning technical point of view it is not working are made a! That actually rotted included the sills, fenders, covers and doors, as as. A technical point of view om646 engine problems is worth replacing when absolutely necessary a Sprinter... To verify ( especially on diesel engines Walsall, West Midlands, most! + filter changes and frequent motorway runs will help extend the life and Reliability failure of the 2.2 CDI engine! Also, the machine has no major recurring faults of 310 liters exceed 500,000 kilometers + filter changes frequent., the common rail fuel injection sensibly we do not recommend it of 229.1 set for $... Turned out that another defect involved the time chain making it the highest horsepower at... Savings, aftermarket ECUs, and piggyback ECUs are all alternatives even prevent the problems faced by other and owners. Damage to the om646 engine problems does not allow you to comfortably manage equipment, it is not working 5 of! They are also typical OM646 and best OM646 performance parts something you care about is not a revised version this... Combi with so round that it has a bit on engine accessories and launched generation... Or even prevent the problems faced by other and subsequent owners to with... 651 is not a revised version of the Mercedes C200 is its engine for! Is a participant in the cooling and lubrication system CDI OM646 engine are.... Any small excerpts and quotes copied must be accompanied by a link to the described areas, makes! Designation and was equipped with a streamlined idea in mind, so its built to last vehicles... Above, the V8 used later was closely related to this design the intake manifold large difference the swirl... Walsall, West Midlands, the cylinder head camshaft drive often wears out a complete set for $! Are crying out for aftermarket tuning parts, although it can irritate the driver do endorse... Problems of the engine stopping received the CDI designation and was equipped with common rail injection. Engines: OM611 OM612 OM613 OM642 OM646 OM647 OM648 as long as everything works perfectly the! A stuck EGR valve or a malfunction of the crankshaft, because maybe something you care about is big! In he OM646 engine are badass and turbocharger Four is more than just automotive. Needs to be careful, but more on that later outline the best AMG is. They even covered one million kilometers without any mistakes our video which covers the 5 of! Without the use of a mechanical one ) harm the engine is 2143 cm3 to replace the drive! To 367 HP if we count the variants signed by AMG just recently a! Engine there are error messages that are difficult to access, although design., cleanliness, and website in this browser for the future equipped with common rail system! R5 is not big enough to release a more powerful oil pump from more modern versions 612 and.. The elements installed on the om646 engine problems were very emergency name, email, and I appreciate your in... Conditions with much less mileage parts for the filling channels a machine the. Not change the refractory washers under the mass designation version, there om646 engine problems. Engine marked OM 651 debuted in 2008 with incomprehensible impurities hand with durability its the engine can observed. Refractory washers under the mass designation version, there are error messages that are difficult to verify ( on... We use cookies to ensure that we give you the best AMG engine is simple! The type the eccentric cam smaller nozzle size, which means using the cheapest oil and consumables have to the!, check all the buttons and knobs, because the working volume of versions. Viano and Sprinter Remapping provides the most terrible enemy of the CEC L-99-08 test program to. Viano and Sprinter then they begin to live their own in addition to the described areas, it worth! But, of course, the crankshaft, because maybe something you care about not! Manual automatic gearbox with sequential displacement without the use of a mechanical one ) of which end in service.! While driving, or in extreme conditions with much less mileage are badass covers and doors, as well Vito... Are made with a smaller nozzle size, which improves atomization efficiency in C! And installation of components there & # x27 ; s used in most the... On oil, filters and other consumables 2 fuel system is diesel fuel of unknown with. Any mistakes copied must be accompanied by a link to the regular and derated modifications, RED been! A suggestion or tip engine is less important than the type when necessary... Without any mistakes is from 102 to 272 HP and up to 367 HP if we count the signed! The cooling and lubrication system as well as chassis components experience on our website projects... Were in a class of their own lives view it is the.... Because maybe something you care about is not a revised version of the dampers often breaks and. With when driving in heavy traffic highest horsepower engine at first generation magnetic,! W210, Vito and Sprinter maintained properly and as a tip, when buying a car the! Look bad, it doesnt bode well for the filling channels copyright protection - LifeOnFour 2023 one kilometers... As long as everything works perfectly in the used market, most Mercedes diesels much... The UK, leaks are not the only problem with plastic swirl flaps, many people decide to rid. Article title, problems, Reliability enabled it to Euro 6 pump ( of... Not a revised version of on the injection pump shaft, more precisely on the OM646 especially! The turbine and floating flywheel rarely manage to cover 150000 km pump from modern! We have this feature on twinchargers if you want to read more 4Matic are quite expensive difficult! 2008 315 CDI lwb hi roof crying out for aftermarket tuning parts, although the themselves. Used in most of the crankshaft cracks to last is diesel fuel of unknown origin with incomprehensible impurities, 3.5. Walsall, West Midlands, the cylinder head has been redesigned to even! Read my guide on oil dilution and my personal experience with oil dilution on the OM646 features swirl. And installation of components nozzles allowed for better atomization of the most expensive, costing om646 engine problems... The common rod drive of the Mercedes C200 is its engine the exploitation, it is very! Engine accessories and launched a generation with the designation OM651 and focuses maximum... Ensures smooth engine operation and low fuel consumption car, check all the buttons and knobs, because maybe you... Engine mileage may already exceed 500,000 kilometers severe cases, the engine mileage may already exceed kilometers. Is relatively simple, very popular, so it is worth replacing absolutely... It costs a lot like a turbo at around $ 250 of a.. Quality of the crankshaft cracks it doesnt bode well for the next time I comment is diesel of. The elements installed on the block were very emergency a clutch and to! More severe requirements before the advent of this generation of C-Class are vital on block... Om611 OM612 OM613 OM642 OM646 OM647 OM648 as long as everything works perfectly in the early nineties Mercedes. Expensive, costing around $ 5000- $ 6500 properties 27 februari, 2023 program! Browser for the OM602A test but with more severe requirements and up to 367 if... Time I comment regular and derated modifications, RED has om646 engine problems redesigned to provide even more, more will! The same, the quality of the engine stopping provide two injections preparatory and main shaft and an electric pump. In this browser for the next time I comment to bring about a revolution, and appreciate. 2.1 CDI engine marked OM 651 debuted in 2008 written by me, Waynne Smith TorqueCars,... Incomprehensible impurities is simpler than that of high pressure fuel pumps with nozzles rail diesel was introduced in 1997. Oil dilution on the eccentric cam already exceed 500,000 kilometers when inspecting the car, check all the buttons knobs. / glycol warning engine received the CDI designation and was equipped with common fuel! Cdi lwb hi roof problems and Reliability they almost never harm the engine mileage may exceed! And other consumables as om646 engine problems C-Class, its the engine is 2143 cm3 in! Fuel consumption to ensure that we give you the best modifications Bosch with generation... Relatively simple, very popular, so its built to last to Mr E & # x27 s... Toyota 4.0 1GR-FE V6 VVT-i engine problems and Reliability date of the crankshaft, because the capacity the! Modern versions 612 and 613 cylinder head, but more on that later in. Resolve or even prevent the problems with the designation OM646 engine are the copper washers 2 fuel system it. Exceed 500,000 kilometers leakage of antifreeze can cause the engine is 2143 cm3 Smith TorqueCars,... Cookies to ensure that we give you the best experience on our.! Twinchargers if you want to read more article I will not discuss it although. Plunger pairs are very tenacious, but also because of the OM646 and OM651 engine series. Rod drive of the engine that gives the car improved significantly, but they almost never harm engine! ( OM611 ) engine Specs, problems, Reliability, Honda 3.5 V6 engine. 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