Contents: Engine lubrication system ↡ Cooling system ↡
Engine lubrication system
Type - all engines - combined with gear pump
Minimum oil pressure - 0.5 bar
- At operating temperature idle speed, 3.0 bar - at 3000 rpm
Cooling system
Type - forced
Coolant pump - centrifugal
Cooling system capacity (with body heater) — see "Filling Capacities"
Coolant - see section 5.1.2.
Radiator cap designation - 120
Opening pressure of the valve in the plug is 1.0 bar
Opening of the valve at vacuum - 0.1 bar
Thermostat - opening start
- 87°±2°C — 280S and 280 SE
- 75°±3°C — 350 Sen 450 SE
- the thermostat valve is fully open
- 102°C — 280/280 SE
- 92°C — 350 SE/450 SE