Fuel filler flap
The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or using KEYLESS-GO.
The position of the fuel filler cap is displayed
in the instrument cluster 
. The
arrow
next to the filling pump indicates the side of
the vehicle.
1 To open the fuel filler flap
2 To insert the fuel filler cap
3 Tire pressure table
4 Fuel type
See also:
Side-impact protection thanks to intelligent bodyshell
Similar to the design of the front area of the new M-Class, the vehicle's
intelligent bodyshell design also performs impressively in side-impact accident
scenarios. The specific distribution of hi ...
Problems with the engine
Problem
Possible causes/consequences and
Solutions
The engine does not start. The starter motor can be
heard.
• There is a malfunction in the engine electronics.
• ...
Changing the battery
You require a CR 2025 3 V cell battery.
- Take the mechanical key out of the
SmartKey.
- Press mechanical key 2 into the opening
in the SmartKey in the direction of the
arrow until battery t ...