The M112 E26 engine – one of the youngest representatives in the extensive family of M112 engines appeared in 2000 as a replacement for the M112 E24 and was intended for Mercedes models with an index of 240.
The engine is based on a cylinder block from the M112 E28, in which a crankshaft with an even smaller piston stroke was placed. The cylinder heads are the same as on the M112 E28: aluminum, with one camshaft (SOHC) and three valves per cylinder: two inlet, one outlet. The diameter of the intake valves is 36 mm, the outlet valves are 41 mm. There is a variable valve timing system, hydraulic lifters, an intake manifold with variable length.
Specifications
| Manufacturer | Stuttgart-Bad Cannstatt Plant |
| Also called | M112 |
| Production years | 2000-2006 |
| Cylinder block alloy | aluminum |
| Fuel system | injector |
| Configuration | V |
| Number of cylinders | 6 |
| Valves per cylinder | 3 |
| Piston stroke, mm | 68.2 |
| Cylinder bore, mm | 89.9 |
| Compression ratio | 11 |
| Displacement, cc | 2597 |
| Power output, hp | 170/5500 177/5750 |
| Torque output, Nm / rpm | 240/4500 |
| Fuel type | 95 |
| Euro standards | Euro 4 |
| Weight, kg | — |
| Fuel consumption, L/100 km (for E240 W211) — city — highway — combined |
15.4 7.4 10.5 |
| Oil consumption, gr/1000 km | up to 800 |
| Recommended engine oil | 0W-30 / 0W-40 / 5W-30 / 5W-40 / 5W-50 / 10W-40 / 10W-50 / 15W-40 / 15W-50 |
| Engine oil capacity, liter | 8.0 |
| Amount of engine oil for replacement, liter | ~7.5 |
| Oil change interval, km | 7000-10000 |
| Normal engine operating temperature, °C | ~90 |
| Engine lifespan, km — official information — real |
— 300+ |
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