See also:

Notes on regularly inspecting wheels and tires
WARNING Regularly check the tires for damage. Damaged tires can cause tire inflation pressure loss. As a result, you could lose control of your vehicle. Worn, old tires can cause accidents. I ...

ETS/4ETS (Electronic Traction System)
WARNING Observe "Important safety notes" Traction control is part of ESP®. Traction control brakes the drive wheels individually if they spin. This enables you to pull away and ac ...

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. ` ...