Problems with the steering wheel heating
If steering wheel heating indicator lamp 3 is flashing, the steering wheel heating has switched off automatically. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on.
•► Switch off electrical consumers which you do not need, such as the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the steering wheel heating will switch back on automatically.
See also:
Removing the mechanical key
Push release catch 1 in the direction of the arrow and at the same time,
remove mechanical key 2 from the SmartKey.
...
Snow chains
For safety reasons, Mercedes-Benz
recommends that you only use snow chains
which have been specially approved for your
vehicle by Mercedes-Benz, or are of a
corresponding standard of quality.
...
Displaying service messages
Switch on the ignition.
Press or
on the steering wheel
to select the Serv. menu.
Press or
to select the ASSYST
PLUS submenu and press to
confirm.
The service due d ...