Do not use a pointed object such as a screwdriver to open the cover in the dashboard. You could damage the dashboard or the cover.
Make sure that no moisture can enter the fuse box when the cover is open.
When closing the cover, make sure that it is lying correctly on the fuse box. Moisture seeping in or dirt could otherwise impair the operation of the fuses.

► Open the driver's door.
► To
open
: pull cover 1 outwards in the direction of the arrow and remove it.
► To
close
: clip in cover 1 on the front of the dashboard.
► Fold cover 1 inwards until it engages.
Engine
...
Parktronic
Important safety notes
PARKTRONIC is an electronic parking aid with
ultrasonic sensors. It indicates visually and
audibly the distance between your vehicle
and an object.
PARKTRONIC is only an ...
Information on 4MATIC vehicles
Vehicles with 4MATIC must not be towed
with either the front or the rear axle raised,
as doing so will damage the transmission.
If the vehicle has transmission damage or
damage to the front or rea ...