Engine cooling system Mercedes E-Class (W124)

Technical characteristics of the cooling system
System type Models with 4-cylinder petrol engines Sealed cross-flow or down-flow radiator; radiator fan with auxiliary drive belt and electromagnetic clutch; centrifugal...

General information about the cooling system
The sealed cooling system includes a water pump driven by an auxiliary drive belt, a radiator fan with a thermoviscous or electromagnetic clutch, a cross-flow or...

Cooling system hoses
1. Check the condition of the cooling system hoses and if a defect is found, replace the hose as follows. 2. Drain the coolant from the cooling system. 3. Remove the...

Radiator — removal, inspection and installation
Removal Unscrewing the screw securing the plastic radiator shroud Removal the mounting pin for the plastic radiator casing Placing the fastening elements of the plastic...

Thermostat — Removal, Checking and Installation
Removal Removal the coolant hose from the thermostat housing on 4-cylinder gasoline models Removal the thermostat cover Removal the gasket from the thermostat housing...

Radiator Fan — Removal and Installation
Removal Attention! On models with petrol engines, a special tool must be used to attach the radiator fan pulley to the bracket. At home, the tool can be made from 4 mm...

Fan with electromagnetic clutch — removal and installation
Removal Tightening the central bolt securing the radiator fan clutch Unscrewing the central bolt securing the radiator fan Water Pump Pulley Mounting Bolts Location...

Electrical sensors — removal and installation
Coolant level sensor Removal Location of the coolant level sensor on the expansion tank 1. The sensor is installed on the side wall of the expansion tank (see picture)....

Water pump — removal and installation
Removal Location of the drain hose clamps Disconnecting the bypass hose and removing the thermostat housing Fastening the lower radiator hose and the heater return hose...

Water pump (models with six-cylinder petrol engines)
Removal Fastening the heater return pipe to the water pump Removal the O-ring from the heater return pipe Removal the upper radiator hose from the water pump Fastening...

Water pump (diesel engine models)
Removal Location of the drain hose clamps A – pulley; B – water pump; C – gasket; D – water pump body; E – pipe; F – guide pins; G – gasket; H – generator; I – generator...

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W210 (1996-2002)

W124 (1984-1995)