Manual

The second generation of lightweight diesel engines includes the 2.0-liter OM621 engine. A new engine family took its place in 1968 after it was first introduced in 1956. Although the camshafts, cylinder head, pistons, and fuel injection system have been redesigned, it is based on the M121 gasoline engine. It is a prechamber, lower shaft […]

Mercedes-Benz and SsangYong Motors collaborated on the OM661 engine. It has a split combustion chamber, four cylinders, and a 2.3-liter working capacity. Cars like SsangYong Musso (Tagaz Partner), SsangYong Korando (Tagaz Tager), and some Mercedes models were fitted with engines from the 661 series. The only distinction between this engine and the OM662 engine is […]

The OM626 is an in-line diesel engine with four cylinders. 1.6-liter displacement, DOHC, (dual) turbocharging, intercooler, common rail direct injection, piezo injectors, and four valves per cylinder. Aluminum cylinder head and cast iron block. for automobiles that have a longitudinal power unit. An EGR system is installed in the engine. After passing through the particle […]

The OM636 is a diesel engine with four cylinders and four strokes. In 1949, it was first introduced. Since the late 1940s, Mercedes-Benz passenger cars, vans, and small trucks have been equipped with this engine. Because the bridge between the valves is too small and heat is not dissipated, the engine’s weak point is the […]

For passenger cars W123, W124, W201, and SUVs W460/461, Mercedes-Benz offers an inline 4-cylinder gasoline engine called the Mercedes M102. The engine debuted in 1980 as a replacement for the M115 series motors, and it was manufactured in various quantities and configurations up until 1996. M102, M111, M133, M139, M166, M200, M254, M260, M264, M266, […]

The 4-cylinder Mercedes M111 E18 engine took the place of the M102 series’ E18 engine in 1993. Although the engine is smaller than its predecessor, the cylinder head is made of light alloy metal, and the block is likewise composed of cast iron. The owners claim that this engine is among Mercedes’s most popular and […]

The outmoded 4-cylinder E20 engine from the M102 series was replaced in 1992 by the Mercedes M111 E20. The main differences between the new 2.0-liter engine and its predecessor are a brand-new cast iron cylinder block, a new crankshaft, and a new connecting rod and piston group. M102, M111 E18, M111 E20, M111 E22, M111 […]

The Mercedes M111 E22 is a 2.2-liter gasoline engine that produces 150 horsepower. E22 was installed on Mercedes-Benz C-Class and Mercedes-Benz E-Class vehicles between 1992 and 2000. Up to 500 thousand kilometers, this German engine is incredibly dependable. M102, M111 E18, M111 E20, M111 E22, M111 E23, M166, M254, M260, M264, M266, M270, M271, M274, […]

The 2.3-liter M102 E23 engine, which was by now completely out of date, was replaced by the Mercedes M111 E23 engine in 1995. Similar to the M111 E20, the new M111 E23 has a compact cast-iron cylinder block, but it has a cylinder diameter that is 1 mm larger and a different crankshaft with a […]

Between 1997 and 2005, 4-cylinder Mercedes M166 engines with capacities ranging from 1.4 to 2.1 liters were manufactured. These engines were exclusively fitted to the compact A-class model and the Vaneo compact van, which was based on it. These units’ index was changed to M266 after they were upgraded to the next generation A-class. M102, […]