Activating/deactivating

WARNING
Any accumulation of snow and ice should be removed from the rear window before driving.
Visibility could otherwise be impaired, endangering you and others.

The rear window defroster has a high current draw. You should therefore switch it off as soon as the window is clear as it only switches off automatically after several minutes.

If the battery voltage is too low, the rear window defroster may switch off.

2 in the ignition lock. Turn the SmartKey to position 2 in the ignition lock.
button. Press the The indicator lamp in the  button button.
The indicator lamp in the lights up or goes out. button lights up or goes out.

    See also:

    Setting DSR
    With the DSR speed function, you can set the speed of DSR (the speed for driving downhill) to a value between 3 mph (Canada: 4 km/h) and 10 mph (Canada: 18 km/h). The adjustments are made in 1-mp ...

    On-board infotainment: the most advanced multimedia technology
    In line with its serene character and sophisticated technology, the Mercedes-Benz CL-Class also sets standards for onboard infotainment. The latest innovation, SPLITVIEW technology, is optionally ...

    ATA (Anti-Theft Alarm system)
    A visual and audible alarm is triggered if the alarm system is armed and you open: a door the vehicle with the mechanical key the tailgate the hood The alarm is not switched off, even i ...