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.

■ 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.
BAS (Brake Assist System)
Observe the "Important safety notes"
section .
WARNING
If BAS is malfunctioning, the braking distance
in an emergency braking situation is
increased. There is a risk of an accident.
...
Service interval display
Service messages
Information on the type of service and service
intervals (see the separate Maintenance
Booklet).
You can obtain further information from an
authorized Mercedes-Benz Center or a ...
Rear-view mirror
X Adjust the rear-view mirror by hand so you
have a good overview of the traffic
conditions behind you. ...