C 55 AMG (203.076) V8-5.5L (113.988) (2006)
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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.
The micro-encapsulated locking bolts and self-locking nuts may only be used once. If parts of the trailer hitch are removed, new micro-encapsulated
bolts and self-locking nuts must be used when reinstalling these parts.
On trailers with an anti-swerve device it is not necessary to grease the ball (refer to trailer instructions). Advise the customer accordingly.
Advise the customer to read the "Trailer coupling" and "Towing a trailer" sections in the vehicle owner's manual.
AP31.11-P-3121-04BB Lubricating Ball Neck and Ball Neck Mounting
AP31.11-P-3121-04BB Lubricating Ball Neck And Ball Neck Mounting
- with CODE (550) Trailer hitch
1. Oil the lock.
Use automatic transmission fluid.
2. Oil hand wheel axle (1) between ball neck and hand wheel, and release shaft (5).
Use engine oil.
3. Grease guide with balls (2), release device (3) and guide surface (4) slightly.
Use grease or multipurpose grease.