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:
Storing the current speed or calling upthe last stored speed
WARNING
The set speed stored in memory should only
be set again if prevailing road conditions and
legal speed limits permit. Possible
acceleration or deceleration differences
arising ...
Safety guidelines for seat belts, Emergency Tensioning Devices (ETDs) and air
bags
WARNING
Damaged seat belts or seat belts that have been subjected to stress in
an accident must be replaced. Their anchoring points must also be checked. Only
use seat belts installed o ...
Safety
As it should be, the M-Class is full of standard safety features like an
electronic stability system, antilock brakes, traction control, side curtain
airbags, and side-impact airbags for the front ...