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 ...

Problems with the rear window defroster
The rear window defroster has deactivated itself prematurely or cannot be activated. Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the batter ...

Adjusting the multicontour seat in the rear compartment
You can use the buttons on the center console to adjust the multicontour seats for the outer seats in the rear compartment. To select a rear-compartment seat: push or pull rocker switch 1 or ...