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:

    Socket in the front-compartment center console
    To open: slide cover 1 forwards until it engages. Lift up the cover of socket 2. To close: press cover 1 briefly at the front. The cover moves back. ...

    Unlocking the trunk (mechanical key
    The trunk lid swings upwards when opened. Therefore, make sure that there is sufficient clearance above the trunk lid. If the trunk cannot be unlocked with the SmartKey or KEYLESS-GO, use th ...

    Low outside temperatures
    DEF freezes at a temperature of approximately 12 °F (–11 °C). The vehicle is equipped with a DEF preheating system when it leaves the factory. Winter operation is therefore also guaranteed at ...