Engine | 280S and 280SE | 380SE and 500SE | 350SE and 450SE |
Cylinder head bolts (hex socket bolts) only with a cold engine | 110 | 60 | 50 |
Bolts or nuts for fastening the cylinder head cover | 5 | 3 | 5 |
Camshaft bearing bolts or nuts | - | 50 | 50 |
Threaded bushings for valve adjustment bolts | 80 | - | 80 |
Adjusting torque for valve adjusting bolt (lubricated installation) | 20-40 | - | - |
Gear Bolts (asterisks) camshaft | 100 | 100 | 80 |
Spark plug | 25-30 | 25-30 | 30 |
Bolt or nut for fixing the injector flange | 10 | 10 | 10 |
Union nuts for injection pipes | 10-15 | 10-15 | 10-15 |
Connecting rod bearing bolts: | |||
- - preload | 40-50 | 40-50 | 40-50 |
tightening angle | 90-100° | 90-100° | 90-100° |
Crankshaft bearing bolts or nuts: | |||
- M12 | 80 | - | - |
- M10 | 80 | 50 | 50 |
Hex bolt or nut on the front of the crankshaft | 400-450 | 270-330 | 270-330 |
Tension bolts for flywheel or driven plate on crankshaft: | |||
- preload | 30-40 | 30-40 | 30-40 |
- angle of rotation when tightening | 90-100° | 90-100° | 90-100° |
Mounting bolts for the intermediate flange on the cylinder block | 50 | 50 | 50 |
Bolts for oil sump | 11 | 11 | 11 |
Bolts for oil filter on cylinder block | 35 | 25 | 25 |
Mounting bolt for bottom of oil filter or oil filter housing | 40-45 | 40-45 | 40-45 |
Oil pressure relief valve in the cylinder block and on the oil pump | 40 | 40 | 40 |
Plug bolt or nut for chain tensioner | 50 | 110 | 110 |
Camshaft housing on cylinder head | 25 | - | 25-30 |
Round seat ring on the chain tensioner | 25 | - | - |
Hydraulic valve clearance compensator in the cylinder head | - | 60 | - |
Threaded ring for chain tensioner | 40 | - | - |
Drain plug on oil sump | 40 | 40 | 40 |