Switching on/off
The three red indicator lamps in the button indicate the heating level you have selected.
If the battery voltage is too low, the seat
heating may switch off.
The system automatically switches down from level 3 to level 2 after approximately eight minutes.
The system automatically switches down from level 2 to level 1 after approximately ten minutes.
The system automatically switches off approximately 20 minutes after it is set to level 1.
Make sure that the SmartKey is in position
2 in the ignition lock.
To switch on: press button 1 repeatedly
until the desired heating level is set.
To switch off: press button 1 repeatedly
until all the indicator lamps go out.
See also:
Correct driver's seat position
Observe the safety guidelines on seat
adjustment
•► Check whether you have adjusted seat =
properly.
Electrical seat adjustment (Y page 100)
When adjusting the seat, make sure:
...
Interior lighting control
Important notes
In order to prevent the vehicle's battery from
discharging, the interior lighting functions are
automatically deactivated after some time
except for when the SmartKey is in positio ...
Assembling the ball coupling
Mercedes-Benz recommends that you
have the ball coupling assembled at a
qualified specialist workshop. Only a
qualified specialist workshop has the
necessary specialist knowledge and tool ...