See also:

Problems with the SmartKey
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Changing the picture format
Select Source in the AUX menu and press the button on the remote control to confirm. Select Display Aux or Disk Drive Aux and press the button to confirm. Select Auto16:9 optimized, 4:3 o ...

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 clo ...