Problems with the seat heating
The seat heating has switched itself off prematurely. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on.
Switch off electrical consumers which you
do not need, such as the rear window
defroster or interior lighting.
See also:
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF.
When the DEF supply has almost run out, the
Check Additive See Operator's
Manual message ...
Important safety notes
WARNING
In order to avoid possible loss of vehicle
control, all seat, head restraint, steering
wheel and rear view mirror adjustments, as
well as fastening of seat belts, must be done
before ...
Adjusting the head restraint height electrically
To adjust the head restraint height: slide
the switch for head restraint adjustment
up or down in the direction of
the arrow. ...