See also:

Opening and closing the service flap
You must open the service flap in the cargo compartment before you can change the bulbs in the tail lamps. Left-hand service flap Right-hand service flap - To open: release service flap 1 a ...

Tachometer
The red band in the tachometer indicates the engine's overrevving range. Do not drive in the overrevving range, as this could damage the engine. The fuel supply is interrupted to protect the ...

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 ...