V-shaped 8-cylinder engine M119 E42 with a volume of 4.2 or 5.0 liters. The engine had two camshafts in each cylinder head and four valves per cylinder. On these engines, the intake camshaft was equipped with an electro-hydraulic clutch to change the valve timing. The phase change took place without smooth adjustment – only two extreme positions (“earlier” – “later”).
Specifications
| Manufacturer | Stuttgart-Bad Cannstatt Plant |
| Also called | M119 |
| Production years | 1991-1998 |
| Cylinder block alloy | aluminum |
| Fuel system | injector |
| Configuration | inline |
| Number of cylinders | 8 |
| Valves per cylinder | 4 |
| Piston stroke, mm | 78.9 |
| Cylinder bore, mm | 92 |
| Compression ratio | 10 11 |
| Displacement, cc | 4196 |
| Power output, hp | 272/5700 279/5700 286/5700 |
| Torque output, Nm / rpm | 400/3900 410/3900 |
| Fuel type | 95 |
| Euro standards | Euro 1 |
| Weight, kg | — |
| Fuel consumption, L/100 km (for S420 W140) — city — highway — combined |
16.5 8.8 12.5 |
| Oil consumption, gr/1000 km | up to 1000 |
| 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 | ~6.5 |
| Oil change interval, km | 7000-10000 |
| Normal engine operating temperature, °C | ~90 |
| Engine lifespan, km — official information — real |
— 400+ |
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