6-speed Manual transmission. Engine Mercedes-Benz OM646 engine - Wikipedia Mercedes OM642 3.0 CDI Engine specs, problems, reliability ... Mercedes-Benz OM642 engine - AustralianCar.Reviews Mercedes-Benz OM646, OM647 and OM648 engines Mercedes Benz Page 1/25. The engine had a cast aluminum block and cast iron cylinder liners, and had a compression ratio of 18.5:1. aspiration: Turbo . It’s since been overshadowed by the aforementioned OM656, and will be phased out soon. Fuel diesel. They allow higher annealing temperatures. Hi, had a number of Mercedes now and from my own experiences do not touch a 2000 - 2004 car, I've currently got an e270cdi and apart from front suspension bushes/arms & … Mercedes-Benz OM646 engine: Successor: Mercedes-Benz OM654 engine: Design. Mercedes Benz 2.9 OM662 engine 5 - Cylinder Turbo Diesel unit 2.9 L5 10v Turbo. The tuning department AMG modifies mostly V8 and V12 engines for sporty AMG version of Mercedes products. Hi, my car makes this noise when driven or revved from cold but stops after about 50 yards of driving. W639 - nastavení rozvodů OM646.982. Variants of the motor can be mounted longitudinally and transversely to suit front-wheel-drive, rear-wheel-drive, and all-wheel-drive models. Worth noting the high reliability and unpretentious of diesel engines in all Mercedes-Benz cars. Available from 2005, the Mercedes-Benz OM642 was a 3.0-litre V6 turbo-diesel engine which replaced the five- and six-cylinder OM647 and OM648 engines. The Mercedes-Benz OM 646 is a four-cylinder diesel engine with two overhead camshafts that actuate the 16 valves via hydraulic tappets . The described V6 engine OM642 has a capacity of almost 3 liters and, depending on the version, generates from 190 to 235 HP. Mercedes-Benz OM611 engine: Successor: Mercedes-Benz OM651 engine: The OM646 is a turbocharged inline-four engine produced between 2002 and 2010 by Mercedes-Benz. This is due to modifications to over 80 components . Generating 625 hp and 2,212 lb-ft of torque, yet still compatible with Euro 6 emissions standards, the OM473 was regarded as a landmark achievement by Mercedes-Benz. Czech: 500 KB: 3 Our vehicles Mercedes Benz OM646 Add. At three liters of displacement, it could never be powerful enough to chug through an Alpine road with 20,000 pounds of tree trunks in the back, but it could definitely service such cars as the E-Class, C-Class, G-Class, and even the European versions of the Jeep Commander and Grand Cherokee. Reliability & common problems. In 2006, the OM 646 EVO was presented as part of the facelift for the E-Class . Engine. To improve the smoothness, the more powerful models (220 CDI) were equipped with two Lanchester balancer shafts. Through the line, the fuel enters the solenoid valve-controlled injection nozzles, from which it is injected at a pressure of up to 1600 bar through seven holes in the combustion chamber. Of the two intake ports per cylinder, one channel, the tangential, can be switched off at low speeds. Most popular models. In peak form, it can produce 140 horsepower and 221 lb-ft of torque. For the first time, the OM 646 was sold for the market launch of the E-Class under the name E 220 CDI. Save $20,000 off dealer MSRP with our engine rebuilding service. Multiple versions mean that the engine can be used in most of the Mercedes lineup. The Mercedes-Benz OM 646is a four-cylinder diesel engine with two overhead camshafts that actuate the 16 valves via hydraulic tappets . As a result, the combustion chamber heats more effectively, thus lowering the temperature and pressure increase in the main combustion. With Karl Benz, the creator of the first practical motorcar and pioneer of two- and four-stroke engines, you can imagine that Mercedes-Benz has quite a litany of powerplants that have been created over time – and you would be right. Can any of you tell me the real difference between OM611and OM646 engine. Contents. Mercedes Benz 2.1 OM646 DE22 LA engine - Specifications and list of vehicles with this powertrain. Nm. Receive the latest newsletter with the content you love from Diesel Army, directly to your inbox, absolutely FREE! In a direct comparison with its predecessor, consumption has been further reduced and the engine performance can be increased. Compared to its predecessor, not the coolant is heated here, but only the air flowing into the interior. This section covers the potential reliability issues that you might have with the Mercedes-Benz W211. Inline-six: 12.0L OM457, 15.6L OM473, 2.9L OM656. We will safeguard your e-mail and only send content you request. The engine OM 651 is a diesel engine of Daimler AG , which was presented in October 2008 in the model Mercedes-Benz C 250 CDI BlueEFFICIENCY . Reported issues & breakdowns. The modifications of the OM 646 EVO (four-cylinder) were the series OM 647 (five-cylinder), and OM 648 (six-cylinder) is no longer beneficial, since these by weaker variants of the following V6 engine OM 642 were replaced. The cylinder head has been redesigned to achieve even more effective engine cooling. Read Online Mercedes Benz Om647 EngineOM647.961 (270CDI) engine (2.7, 130 kW) Mercedes-Benz OM647 Engines For Sale | MyLittleSalesman.com Mercedes Benz OM647 engines … In 2006, the engine … Far too large for the average car but just right for heavy-duty vehicles, the OM457 has been in production since 2003. The resulting swirl leads to a better mixture formation, whereby a better combustion is achieved. The engine type represents a further development of the OM 611 . Limited impression of available engine part information This ensures an improved running smoothness. The intake section of the OM 646 is equipped with the EKAS (intake channel deactivation) , which is already known from the OM 611 . torque: 256. New from this engine type are two-fold pilot injections, by means of which a small amount of fuel is introduced before the actual combustion in the cylinder and burned there. To cool down the compressed hot charge air and bring more oxygen into the combustion chamber, a charge air cooler is installed. There are people here more knowledgeable than me but my impression is that reliability is good provided you keep up with maintenance. Academic disciplines Business Concepts Crime Culture Economy Education Energy Events Food and drink Geography Government Health Human behavior … The Mercedes-Benz OM642 engine is a 3.0 litres, 24-valve, aluminiumaluminium block and heads diesel 72° V6 engine manufactured by the Mercedes-Benz division of Daimler AG as a replacement for the Mercedes straight-5 and straight-6 cylinder engines. The result was the OM 647 and OM 648 series, which differ structurally from the OM 646 by the number of cylinders; Bore and stroke are the same for all engines of this engine family. 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The system pressure was increased compared to the previous engine. The first thing that starts to fail on this engine is the crankcase ventilation system. 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. At that point, it could make 3,500 horsepower and an ungodly 8,800 lb-ft of torque! So let’s kick things off by looking at Mercedes-Benz’s inline-four offerings. The chief design goal was to create a common engine platform that maximized the part commonality between the engines manufactured by Daimler. BlueTEC was formally introduced at the 2006 North American International Auto Show, where an E-Class and GL-Class showcased the upfitted engines. This has happened to Mercedes-Benz with the types “C” and “E”, 220 & 250 Cdi versions, equipped with the new engine OM651 De22. engine in the Mercedes-Benz 300 SD (1977), the first diesel saloon with particulate filter in the US state of California (1985), the world premiere of four-valve technology (1997), common-rail direct injection (1997), the most powerful car diesel engine in the S 400 CDI (2000) and the maintenance-free diesel particulate filter (2003), which is now available in 20 Mercedes models. David Chick comes to us ready for adventure. Industrial Injection’s Cylinder Head Fixes And Builder Box, Auto Sales Dropped 14% In 2020 While Diesel Sales Climbed, Hot Shot’s Secret Shift Restore Resurrects Automatic, AMSOIL Supports New Smaller, Half-Ton Diesels With Two New, S&S Diesel Motorsport Releases Gen2 6.7 Power Stroke CP4 Bypass, Bringing The Show To You: PRI Embarks On Cross-Country Road. Registered User : Join Date: Dec 2006. The balance shafts previously known from the larger variants were introduced in all OM 646 EVO engines. The engine features common rail fuel injection and a variable nozzle turbocharger.The injection system operates at 1,600 bar (23,000 psi). 2002 W203 Kombi 2.1 (131 cui) 1 photos | 7.90 l/100 km. The bigger brother to the OM457 is the OM473, which was released in 2012. For improved engine start and cold running behavior were the glow plugsmade of ceramic instead of metal. Starting in 2003, a soot particulate filter in conjunction with the Euro 4 emission standard was initially offered as an option, and later as standard . With passions that span clean and fast Corvettes all the way to down and dirty off-road vehicles (just ask him about his dream Jurassic Park Explorer), David's eclectic tastes lend well to his multiple automotive writing passions. The engine found its way into German Navy boats during the Cold War, some of which have since been converted into luxury yachts. And we all know where that went…. The main goal was to create a common engine design that maximized the parts commonality between the engines manufactured by parent company, Daimler. One requirement of the design was its ability to be mounted in both longitudinal and transverse fitments. The OM646 is a turbocharged inline-four engine produced between 2002 and 2010 by Mercedes-Benz.. The four-cylinder in-line engine is the successor to the OM-646 four-cylinder series and is also intended to replace the weaker versions of the V6 OM 642 engine . Mercedes OM 646 647 648 engine (2002-2010), Five-cylinder OM 647 and six-cylinder OM 648, Displacement: 2.2 L 2148 cc, bore × stroke: 88 × 88.3 mm, Displacement: 2.7 L 2685 cc, bore × stroke: 88 × 88.3 mm, Displacement: 3.2 L 3222 cc, bore × stroke: 88 × 88.3 mm. It had the same four liters of displacement, but had improvements to the common-rail direct injection system, as well as a greater charge from twin turbochargers. Looking back over these Mercedes-Benz diesel mills, we’ve gotten a good look at just a few examples of what the automaker could do. Mercedes ==> 10 Ltr. The engine is supercharged by a turbocharger with variable turbine geometry , as in the OMI 611 of the CDI Series II . I know OM646 is 04 to 06 and is newer but which has proven to be better, reliable and better fuel consuming Im in a market for two c220 elegance black 2003 with OM611 … System supplier is Bosch . Part of the 400 series, the OM443 was the successor to the OM441A. One requirement of the design was the ability of the engine to be mounted both longitudinally and transversely. The OM651 engine family is an inline-four cylinder Diesel automobile engine from Mercedes-Benz introduced in 2008. The diesel engines in the Mercedes-Benz W203 may have a diesel particulate filter (DPF). The M276 V6s are good, reliable engines with not so many issues. The OM611, OM612 and OM613 turbo-diesel engines had cast iron blocks, alloy cylinder heads, common-rail injection, double overhead camshafts (duplex chain-driven), four valves per cylinder (actuated by tappets) and exhaust gas recirculation. Vehicles with this engine type carry mostly "200 CDI" and "220 CDI" in the sales name. This is a stunning “common rail” diesel engine, among the first to mount a piezoelectric fuel injection system by Delphi. Build quality issues. What you need to know about it is detailed at Car and Driver. Its compound turbocharger setup was an interesting development, and helped the motor make 201 hp and 369 lb-ft of torque. The OM640 uses common-rail fuel injection, and has a 18:1 compression ratio. drivers' 5.0. rating. You’ll have to forgive us here, from from the V10 on, the internet’s breadth of information on Mercedes diesel engines reaches a breaking point; it all becomes ad listings or main bearing torque specifications. Torque 340 Nm (251 ft/lb) . We have tips on removing carbon build up. At the turn of the millenium, Mercedes-Benz launched a diesel V8 called the OM628. Apart from oil cooler leaks in the OM642 engines and injector seal leaks (“Black Death“), the things that could go wrong with the CDI engines are typical for most Common Rail diesel engines. Exceptions are the engines in the Mercedes Sprinter. To regulate the exhaust gas recirculation, a hot-film air mass meter is installed, which allows an accurate measurement of the intake air mass. Let us know in the comments below. The boost pressure controlis achieved by adjusting the vanes. The air duct was also redesigned. Those will come up later fo sure, but we decided to strengthen the block a bit with griddle plate and ARP bolts. The mechanical fuel pump has been replaced by an electric version, which performs its service in the tank. The first of these is the 12-liter OM501, which was made for the Euro 2 era of 1996-99. Right around the time that selective catalyst reduction (SCR) was introduced to cut down on diesel emissions, BlueTEC was obviously drawn from SCR technology, and no doubt owes its name to the blue diesel exhaust fluid (DEF) from companies like Peak. Design. Inline-four: 2.2L OM646, 2.0L OM640, 1.8/2.1L OM651, and 2.0L OM654. Mercedes ==> 10 Ltr. In many regards, it is a beautiful motor. The engine had a cast aluminum block and cast iron cylinder liners, and had a compression ratio of 18.5:1. The company made some terrific advancements over the years, but we want to know – which MB diesel engine is your favorite? It was found in several vehicles, including the S-Class, G-Class, and E-Class. For the first time, this type of engine uses third-generation common rail direct injection . The MB518, a V20 capable of displacing over 134 liters of air in a full cycle, was a beast of a powerplant. These engines were mainly installed in the years 2002 to 2010 in several series, including the C-Class and the E-Class , as a six-cylinder in the S-Class and in vans such as the Sprinter . It is an advanced version of the OM 646, in which over 90 components have been modified. This system had some issues with insufficient oil supplied for the chains, which causes them to wear quickly. Engine info Mercedes Benz 2.9 OM662 displacement: 2874. cc. about legal note contact us. Performance 110 kW (150 PS) . All rights reserved. The OM646 engines are generally reliable and solid as long as they are regularly serviced and maintained. It is present in many Mercedes, of which in models such as the C and E-Class it is one of the more powerful diesels, and in … This allows for a longitudinally installed engine a flat and rearward rising hood in favor of aerodynamics and … The OM 646 by Mercedes-Benz is a four cylinder - diesel engine with common-rail direct injection . The OM646 engine is sold under the 200 CDI and 220 CDI designation and features an electric fuel pump, exhaust gas recirculation, particulate filters, and Euro 4 emission standard compliance (from 2003). But near a mileage of 100-150k miles, auxiliary engine systems start to fail. The engine has a crankcase made of gray cast iron , a light metal - the cylinder head and the cylinder four V-shaped at an angle of 6 ° overhead valves ( four valves per cylinder ), two overhead camshafts and roller cam, which on resting lash compensation elements are mounted. It uses a wastegate and a wastegate, which significantly improves engine efficiency and responsiveness. It’s water-cooled and is compressed of a cast-iron cylinder block with removable wet-type cylinder liners. We’re breaking the rules to bring you this last one (since it’s not a modern-era diesel motor), but we think it’s well worth it. The drive of the camshafts sits at the rear end of the engine (output side) to keep the height at the front end as small as possible. Unlike the predecessor, the pneumatically controlled exhaust gas recirculation valve was replaced by an electronically controlled version. _____ Charlie-----'66 VW 1300 96K miles '97 E300D 239K miles '85 300D 203K miles (sold Sep 2012) #3 06-01-2017, 12:17 AM 777funk. It was installed into combine harvesters, box trucks, and most likely busses and 18-wheeler trucks. We’re back with more international oil-burning goodness. This reduces nitrogen oxide emissions and combustion noise. It makes 313 hp and 479 lb-ft of torque. It weighed about 2,250 pounds, and had a compression ratio of 16.9:1. The compression ratio has been reduced from 18.0: 1 to 17.5: 1 by installing higher pistons and shorter connecting rods. OM646.990. Shortly thereafter, the Volkswagen Group was licensed to develop its diesel emissions upgrades using BlueTEC technology. Direct injection offers terrific efficiency to the OM457, while still being able to meet Euro 5 emissions standards. The model has earned a score of 132, placing it behind the Mercedes CLC, the E-Class, and the C-Class. This improves the cylinder filling and thus the torque. valves: 10, 2 p/ cylinder . Add your article. Design; Models; OM646 DE22 LA R; OM646 DE22 LA; OM646 DE 22 LA EVO R; OM646 DE 22 LA EVO; References; Design. We can only imagine what this monster sounded like. This is due to modifications to over 80 compone… This gave the MB518 a power-to-weight ratio of 1hp/3.31 lbs. Efficiency and responsiveness and helped the motor can be switched off at low speeds a direct with! Since an inline-six featured in the combustion chamber, a new engine for,. Of these, starting with the 2.2-liter OM646 the aim of meeting Euro 5 standards two of them and! Aerodynamics and … reliability & common problems in 2010 six-cylinder OM647 and OM648 engines to 42 knots ( 48mph on... 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