See also:

Cleaning the exterior lighting
•► Clean the plastic lenses of the exterior lights with a wet sponge and a mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths. Only use cleaning agents or cleaning c ...

The windshield wipers are obstructed
Leaves or snow, for example, may be obstructing the windshield wiper movement. The wiper motor has been deactivated. - For safety reasons, you should remove the SmartKey from the ignition lock. ...

Removing/installing the headlamp cover
You must remove the headlamp cover in the engine compartment before you can replace the bulbs in the headlamp. To remove: press retaining clip 1 in the direction of the arrow. Pull cover 2 f ...