Problems with the seat heating
The seat heating has switched off prematurely or cannot be switched on. 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.
See also:
Cleaning the steering wheel and gear or selector lever
Thoroughly wipe with a damp cloth or use
leather care agents that have been
recommended and approved by Mercedes-
Benz. ...
Switching on/off
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
If the battery voltage is too
low, the seat
ventilation may switch off.
- Make sure that ...
Hazard warning lamps
The hazard warning lamps automatically
switch on if:
- an air bag is deployed.
- the vehicle is slowed down severely from a
speed of over 45 mph(70 km/h) and comes
to a halt.
...