See also:

Restoring the factory settings
► Press the buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...

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. ` ...

Locking the trunk separately
You can lock the trunk separately. If you then unlock the vehicle centrally, the trunk remains locked and cannot be opened. Close the trunk lid. Take the mechanical key out of the SmartKey ...