See also:

Fuse box in the engine compartment
► Open the hood. Illustrated: GL 450 (GL 350 BlueTEC, GL 550 are similar) ► Remove any existing moisture from the fuse box using a dry cloth. ► To open: open clamps 2. ` ...

Notes on audio AUX mode
You can connect an external audio source (AUX) to COMAND. The socket for this is located in the glove box. If COMAND is equipped with a Media Interface, external audio sources are connected u ...

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. Check the battery in ...