Mercedes-Benz 2013 CLA Class - Manual (Page 135)

Rear window heating
Switching on/off
The rear window heating has a high current
draw. You should therefore switch it off as
soon as the window is clear. It otherwise
switches off automatically after several
minutes.
If the battery voltage is too low, the rear win-
dow heating may switch off.
X Turn the key to position 2 in the ignition
lock ( Y page 145).
X Press the ¤ button.
The indicator lamp in the ¤ button lights
up or goes out.
Operating the climate control system
133
Climate control