Fuse box in the engine compartment

turned off.  Make sure that the windshield wipers are turned off.

WARNING
Make sure that the windshield wipers are switched off and that the SmartKey is removed from the ignition lock before you open the cover of the fuse box. Otherwise, the windshield wipers and the wiper rods above the cover could be set in motion. This could lead to you or others being injured by the wiper rods.

  Open the hood.

  Remove any existing moisture from the

fuse box using a dry cloth.  Remove any existing moisture from the fuse box using a dry cloth.
  To open: open clamps 1.  Take lines 2 from the guides.
  Remove the fuse box cover forwards.  To open: open clamps 1.
Make sure that no moisture can  Remove the fuse box cover forwards.

enter the Make sure that no moisture can enter the fuse box when the cover is open.

lying correctly in the cover.  To close: check whether the rubber seal is lying correctly in the cover.
into the retainer.  Insert the cover at the rear of the fuse box into the retainer.
  Secure lines 2 in the guides.  Fold down the cover and close clamps 1.
The cover must be seated  Secure lines 2 in the guides.

properly, The cover must be seated properly, otherwise moisture or dirt could impair the function of the fuses.

Fuse box in the trunk  Close the hood.

    See also:

    Important safety notes
    WARNING Do not turn off the engine before the vehicle has come to a complete stop. With the engine not running, there is no power assistance for the brake and steering systems. In this case ...

    Override feature for the rear side windows
    WARNING When children ride on the vehicle's rear seats, activate the override switch. Otherwise, the children could be injured, e.g. by trapping themselves in the rear side window. •` ...

    Automatic emergency braking when a collision is imminent
    The well-proven, radar based assistance systems from the S-Class are now also optionally available to Mercedes-Benz E-Class customers. A further development of the long-range radar sensor now has ...