REPLACING ALL SPARK PLUGS (N42, N40, N46, N45, N52, N52K, N51)
Special tools required:
12 1 171
12 1 200
Necessary preliminary tasks:
Switch off ignition
Remove ignition coils.
Unscrew spark p
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IMPORTANT: To avoid leaks from the rear differential cover, do not use
a paper gasket in
cars with liquid gaskets!
To prevent the differential oil from foaming over, make sure that no remnants
of the liquid gasket are pressed into the rear differential housing.
Release screws (1).
Tightening torqu
General information
The mount for the trailer hitch is located on the
rear of the vehicle.
Information on suitable trailer hitches is found on
the underside of the mount, see arrow.
Remove the ball head when driving without a
trailer or load carrier.
Safety information
Warning
During driving, hig