Fuel filler flap
The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or using KEYLESSGO.
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.
Example: Sedan
1. To open the fuel filler flap
2. To insert the fuel filler cap
3. Tire pressure table
4. Fuel type
See also:
Cargo tie-down rings
Observe the following notes on securing
loads:
• secure the load using the cargo tie down
rings.
• do not use elastic straps or nets to secure
a load, as these are only intended as an
anti-sli ...
Safety
The 2012 M-Class was deemed a Top Safety Pick by the Insurance Institute for
Highway Safety, meaning it received the top score of Good in front- and
side-impact crash tests, as well as for roof st ...
Hazard warning lamps
The hazard warning lamps automatically switch on if:
an air bag is deployed.
the vehicle is slowed down severely from a speed of over 45 mph(70 km/h)
and comes to a halt.
To switch on the ...