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:
Deactivating/activating ESP®
Observe the "Important safety notes" section ().
WARNING
ESP® should not be deactivated during normal driving other than in the circumstances
described below. Disabling the syste ...
Reset function
You can reset COMAND to the factory
settings. Amongst other things, this will
delete all personal data (e.g. station presets,
address book entries, entries in the
destination memory and in the ...
Notes on using dual-zone automatic climate control
The following contains notes and
recommendations on optimum use of dualzone
automatic climate control.
• Activate climate control using the
and
buttons. The indicator lamps in the
and
but ...
