See also:

Vehicle identification number (VIN)
The vehicle identification number (VIN) can be found in the following locations: - on the vehicle identification plate - at the lower edge of the windshield In addition to being stamped on the ve ...

The windshield wipers are inoperative
The windshield wiper drive is malfunctioning. Select another wiper speed on the combination switch. Have the windshield wipers checked at a qualified specialist workshop. ...

Assembling the ball coupling
Mercedes-Benz recommends that you have the ball coupling assembled at a qualified specialist workshop. Only a qualified specialist workshop has the necessary specialist knowledge and tool ...