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:
Important safety notes
In order for the battery to achieve the
maximum possible service life, it must always
be sufficiently charged.
Have the battery checked regularly at a
qualified specialist workshop, such as an ...
Activating/deactivating PRE-SAFE®
Brake
PRE-SAFE® Brake is only available in vehicles
with DISTRONIC PLUS.
Press the or
button on the
steering wheel to select the DriveAssist
menu.
Press or
to select PRE-SAFE
Brake.
Pres ...
Emergency braking
The vehicle can also be braked during an
emergency using the electric parking brake.
– While driving, push handle 1 of the electric
parking brake.
The vehicle is braked as long as you keep ...