The Mercedes M112 E24 engine appeared in 1997 and was intended for models with an index of 240. The youngest member of the family is based on the M112 E28 cylinder block, modified for a 83.2 mm piston.
The cylinder heads from the M112 E28 were adapted to the new cylinder block, the diameter of the intake valves was reduced to 30 mm, the exhaust valves to 34 mm. Otherwise, these are the same aluminum single-shaft cylinder heads with three valves per cylinder, with a variable valve timing system and hydraulic compensators. Intake manifold for M112 E24 with adjustable length. Timing chain drive, chain service life is approximately 200 thousand km. Bosch Motronic ME 2.0 engine management system.
|Power output, hp
|Torque output, Nm
|Cylinder bore, mm
|Piston stroke, mm
|Recommended engine oil
|Engine oil capacity, liter
|Fuel consumption, L/100 km
|Engine lifespan, km
Disadvantages of the M112 E24 engine
- The signature failure of this series of engines is the destruction of the crankshaft pulley.
- The remaining engine problems are somehow related to increased oil consumption.
- Due to contamination of the crankcase ventilation, grease creeps out from under the gaskets and seals.
- The main cause of oil burnout here is usually in hardened valve stem seals.
- Lubrication leak points are also the oil filter housing and heat exchanger.