Cleaning the trailer tow hitch

The ball coupling must be cleaned if it becomes dirty or corroded.

  • Remove rust on the ball of the ball coupling, e.g. with a wire brush.
  • Remove dirt with a clean, lint-free cloth or a brush.
  • After cleaning, lightly grease the ball of the ball coupling again.
  • Check that the vehicle's trailer tow hitch is working properly.

Observe the note on care provided by the trailer manufacturer.

tow hitch carried out by a qualified specialist workshop. You can also have the maintenance work on the ball coupling and the trailer tow hitch carried out by a qualified specialist workshop.

Environmental note

Dispose of rags soaked in oil and grease in an environmentally responsible manner.

    See also:

    LATCH-type (ISOFIX) child seat anchors in the rear
    WARNING Children that are too large for a child restraint must travel in seats using normal seat belts. Position shoulder belt across the chest and shoulder, not face or neck. In order to ...

    Numerous stowage facilities, high degree of variability and temperature-controlled cup holder
    Numerous, easily accessible stowage facilities in the M-Class can accommodate bottles, mugs, keys, coins and much more. Each of the four doors can also easily accommodate a large 1-litre bottle. ...

    Hazard warning lamps
    The hazard warning lamps automatically switch on if: • an air bag is deployed. • the vehicle is slowed down severely from a speed of over 45 mph(70 km/h) and comes to a halt. To switch ...