Adjusting the four-way lumbar support
You can adjust the contour of the front seat backrests individually to provide optimum support for your back.

Adjusting the four-way lumbar support
1 To raise the backrest contour
2 To soften the backrest contour
3 To lower the backrest contour
4 To harden the backrest contour
See also:
Resetting the side windows
You must reset each side window if a side
window can no longer be closed fully.
•► Close all the doors.
•► Turn the SmartKey to position 1 or 2 in the
ignition lock.
•► Pull t ...
System self-test
The indicator lamp illuminates
when you:
• turn the SmartKey to position 1 or 2 in the ignition lock
• on vehicles with KEYLESS-GO, press the Start/Stop button once or twice
If an adult occupant ...
Important safety notes
RACE START is only available in AMG
vehicles.
RACE START enables optimal acceleration
from a standing start. The precondition for
this is a suitable high-grip road surface.
WARNING
RACE S ...
