Notes
WARNING: Risk of scalding!
Only perform this repair work after engine has cooled down.
Protective measures/rules of conduct
Wear safety goggles
Wear protective gloves
Observe national/countr
Notes
WARNING: Risk of scalding!
The repair work on the cooling system should only be carried out on an
engine that has cooled down!
IMPORTANT: Lifetime coolant filling:
Never reuse used coolant!
When
WARNING: Danger of scalding! Work on the cooling system should only be
carried
out when the engine has cooled down.
IMPORTANT: Wear protective gloves and safety goggles.
IMPORTANT: Lifetime coolant f
Control Unit
Fig. 124: Identifying VDM
INDEX REFERENCE CHART
VDM
The location of the VDM control unit is dependent on the country in which the
vehicle is sold.
On left-hand drive vehicles the control unit is fitted inside the
passenger compartment near the right A-pillar
(as illustrated)
REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT AIR-MASS FLOW
SENSOR (N63)
Necessary preliminary tasks
Read out fault memory of DME control unit
Switch off ignition
Remove ACOUSTIC COVER
Picture shows the left side, the procedure for the right side is identical.
Unlock plug (1) and remove.
Re