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 ...

Rear fog lamp
To switch on the rear fog lamp: turn the SmartKey in the ignition lock to position 2 or start the engine. Turn the light switch to or or . If the light switch is set to or , the rear fo ...

KEYLESS-GO
General information Vehicles with KEYLESS-GO are equipped with a SmartKey featuring an integrated KEYLESSGO function and a detachable Start/Stop button. The Start/Stop button must be inserted ...