C 240 4MATIC Wagon (203.281) V6-2.6L (112.916) (2003)
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Steps 1 - 7
Test Values For Trailer Hitch
AH31.10-P-1000-02B Notes On Installing A Trailer Coupling
AH31.10-P-1000-02B Notes On Installing A Trailer Coupling
The body sealant and underfloor protection must be removed from all the body mounting points of the trailer hitch. The mounting points should then be
cleaned with a commercially available cleaning agent. Apply anticorrosion paint to bare-metal areas of the body.
Trailer hitches are approved safety-related parts. They must be installed on vehicles by a specialist. Trailer couplings which have been damaged in an
accident, by bottoming or by an impact from behind must be replaced; subsequent modifications such as bending, machining, welding, etc. are not
permitted.
The coupling ball must have a minimum diameter of 49 mm at all points, measured using a caliper gauge. If this is not the case, the coupling ball must be
replaced by a new one. The ball must be greased before use to reduce wear.
