Mercedes M104 2.8L Engine Specs, Problems, Reliability

Mercedes M104 2.8L Engine Specs, Problems, Reliability. The M104 E28 2.8-liter engine is the smallest engine of the M104 series. It was designed on the basis of the 3.2-liter engine. This engine has its crankshaft and cylinder block. The stroke is 73.5 mm (2.3-liter version has 89.0 mm stroke).

Mercedes M104 2.8L Engine Specs

The cylinder head is the same as the E32 engine has – 2 overhead camshafts, variable valve timing system on the consumption camshaft just. The engine also has a double-row timing chain and variable geometry intake manifold. As you can see, both engines are almost identical, and the primary difference is engine displacements.

Mercedes M104 2.8L Engine Specs, Problems, Reliability

The M104 2.8-liter engine was the next engine after the M103 E26. In 1998 it was moved out from the production by V6 M112 E28 engine.

M104 E28 28l Engine Problems and Reliability

All issues and problems of the 2.8 l engine are also the like for the M104 3.2 l engine. You can read about them below;

  1. Oil leakages from gaskets under the cylinder head cover and oil filter.
  2. Engine overheat. Check the condition of the radiator or the viscous fan coupling if engine started to get too hot.
    The high-quality oil and gasoline, and routine upkeep will extend the life of the M104 engine. This engine is one of the most reliable Mercedes-Benz engines.

you must see more engine detail in here:  Engine – US Cars News or you can see on wiki here

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Mercedes M104 2.8L Engine Specs

Manufacturer Stuttgart-Bad Cannstatt Plant
Production years 1985-1993
Cylinder block material Cast iron
Cylinder head material Aluminum
Fuel type Gasoline
Fuel system Fuel Injection
Configuration Inline
Number of cylinders 6
Valves per cylinder 2
Valvetrain layout SOHC
Bore, mm 88.5
Stroke, mm 80.2
Displacement, cc 2962
Type of internal combustion engine Four-stroke, naturally aspirated
Compression Ratio 9.2 (10)
Power, hp 180-190/5700
Torque, lb ft 188-192/4400-4500
Engine weight
Firing order 1-5-3-6-2-4
Engine oil weight 0W-30, 0W-40, 5W-30, 5W-40, 5W-50, 10W-40, 10W-50, 15W-40, 15W-50
Engine oil capacity, liter 6.5
Oil change interval, mile 6,000
Applications Mercedes-Benz 300 E W124 (M103.980), Mercedes-Benz 300 SE W126 (M103.981), Mercedes-Benz 300 SL R107 (M103.982), Mercedes-Benz 300 SL R129 (M103.984)

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