Installing the ball coupling

WARNING WARNING

If the vehicle/trailer combination is not secured, the trailer may come loose. As a result, you could cause an accident.

Observe the ball coupling manufacturer's installation instructions and special instructions for use.

and approved by Mercedes-Benz. This helps to avoid damage to the vehicle. Mercedes-Benz recommends that you only use ball couplings that have been tested and approved by Mercedes-Benz. This helps to avoid damage to the vehicle.

Protective cap

Protective cap

  • Pull protective cap 1 in the direction of the arrow out of ball coupling recess 2.
  • Stow protective cap 1 safely.
  • Observe the manufacturer's installation instructions.

WARNING WARNING

If the ball coupling is not correctly installed and secured, the ball coupling and the trailer could come loose. As a result, you could cause an accident.

Therefore, please observe the following:

  • Ensure that the ball coupling is secured according to the ball coupling manufacturer's installation instructions.
  • If the ball coupling cannot be installed as prescribed, detach the ball coupling. Under these circumstances, the ball coupling must not be used for trailer towing.

Have the entire trailer tow hitch checked at a qualified specialist workshop.

    See also:

    Storing the current speed or calling up the last stored speed
    WARNING The set speed stored in memory should only be set again if prevailing road conditions and legal speed limits permit. Possible acceleration or deceleration differences arising from r ...

    Roadside Assistance button
    Open the stowage compartment under the armrest. Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center ...

    Load index
    In addition to the load bearing index, the load index may also be imprinted on the sidewall of the tire. This specifies the load bearing capacity more precisely. ...