Opening the DEF filler cap
The filler neck for DEF is behind the fuel filler flap.
The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or with KEYLESSGO.

- Switch off the ignition.
- Press the fuel filler flap in the direction of
arrow 1.
The fuel filler flap swings up.
- Turn blue DEF filler cap 2
counterclockwise and remove it.
DEF filler cap 2 is secured with a plastic
strap.
See also:
Notes for 4MATIC vehicles
Vehicles with 4MATIC must not be towed with either the front or the rear axle
raised, as doing so will damage the transmission.
If the vehicle has transmission damage or damage to the front or r ...
Cruise control lever
1 To switch on or to increase the speed
2 To switch on or to reduce the speed
3 To deactivate cruise control
4 To switch on with the current speed or
with the last stored speed
When you ...
Fastening seat belts
WARNING
According to accident statistics, children are
safer when properly restrained on the rear
seats than on the front-passenger seat. Thus,
we strongly recommend that children be
plac ...
