See also:

Removing the towing eye
Loosen the towing eye and unscrew it. Attach cover 1 to the bumper and press until it engages. Place the towing eye in the vehicle tool kit. ...

Changing the windshield wiper blades
Removing the wiper blades - Remove the SmartKey from the ignition lock. - Fold the wiper arm away from the windshield. - Firmly press release knob 1 and pull the wiper blade upwards from th ...

Roadside Assistance button
– Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistance but ...