Diesel engines

Cooling

~1min read

Forced-circulation liquid cooling with permanent coolant in a sealed, pressurised circuit.

The circuit mainly includes a water pump, a radiator and a heater matrix, an expansion tank, a thermostat, a water/oil heat exchanger and a radiator fan.

WATER PUMP

Water pump located on the timing side and driven by the accessory drive belt.

THERMOSTAT

Thermostat located in a housing mounted on the flywheel side.

EXPANSION TANK

Cap opening pressure: 1.4 bar.

Test yourself

A quick Mercedes-Benz B-Class quiz: every answer comes with an explanation and a link to the manual page.