System self-test
After you have switched on the ignition, the system carries out a self-diagnosis.
WARNING
A malfunction in the system has been
detected if one of the following conditions
occurs:
- the indicator lamp in the SOS button does not light up during the system selfdiagnosis.
- the indicator lamp in the 
Roadside
Assistance button does not light up during
the system self-diagnosis.
- The indicator lamp in the 
information
button does not light up during selfdiagnosis
of the system.
- the indicator lamp in the SOS button,
Roadside Assistance button or
information button continues to be lit red
after the system self-diagnosis.
- The Tele Aid Inoperative or Tele Aid Not Activated message appears in the multifunction display after the system selftest.
If a malfunction is indicated as outlined above, the system may not operate as expected. In the event of an emergency, assistance must be summoned by other means.
Have the system checked at the nearest authorized Mercedes-Benz Center or contact the following service hotlines:
- USA: Mercedes-Benz Customer Assistance Center under 1-800-FOR-MERCedes(1-800-367-6372) or 1-888-990-9007
- Canada: Customer Service at 1-888-923-83
See also:
Adjusting the steering wheel manually
elease lever
To adjust the steering wheel height
To adjust the steering wheel position (fore-and-aft adjustment)
Push release lever 1 down completely. The steering column is unlocked.
...
Fuse box on the left in the direction of
travel
Open the hood.
Remove any existing moisture from the
fuse box using a dry cloth.
AMG vehicles: remove the control unit
above the fuse box.
To open: undo screws 1 with an Allen
key.
...
Engine number
1 Emission control information plate,
including the certification of both federal
and Californian emissions standards
2 Engine number (stamped into the
crankcase)
3 VIN (on the lower edge ...