The headlamps are cleaned automatically if the "Wipe with washer fluid" function is operated ten times while the lights are on and the engine is running . When you switch off the ignition, the automatic headlamp cleaning system is reset and counting is resumed from 0.
Notes on technical data
The data stated here specifically refers to
a vehicle with standard equipment. Consult
an authorized Mercedes-Benz Center for
the data for all vehicle variants and trim
levels. ...
Steering wheel heating
Activating/deactivating
■ Make sure that the SmartKey is in position
2 in the ignition lock.
■ To switch on/off: turn the lever in the
direction of arrow 1 or 2.
Indicator lamp 3 ...