Smart Key functions
See also:
DEF refill bottle
DEF refill bottles can be obtained at many gas
stations or at an authorized Mercedes-Benz
Center. Refill bottles without a threaded cap
do not provide overfill protection. DEF may
leak if over ...
Changing the picture format
Select Source in the AUX menu and press
the button on the remote control to
confirm.
Select Display Aux or Disk Drive Aux
and press the button to confirm.
Select Auto16:9 optimized, 4:3 o ...
Engine
Display messages
Possible causes/consequences and
Solutions
The coolant level is too low.
Add coolant, observing the
warning notes when doing so.
If coolant nee ...
