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. ` ...

Brake fluid
WARNING Over a period of time, the brake fluid absorbs moisture from the air; this lowers its boiling point. If the boiling point of the brake fluid is too low, vapor pockets may form in the ...

Preparing the vehicle
Your vehicle may be equipped with a "Minispare" emergency spare wheel or MOExtended tires (tires with run-flat properties). Vehicle preparation is not necessary on vehicles with MOEx ...