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
self-diagnosis.
• 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 self-test.
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
1-888-923-8367
See also:
Problems with the rear window defroster
The rear window defroster has deactivated itself prematurely or cannot be activated.
Switch off any consumers that are not required, e.g. reading lamps or
interior lighting.
When the battery ...
Coolant
Important safety notes
The coolant is a mixture of water and
antifreeze/corrosion inhibitor. It performs
the following tasks:
- corrosion protection
- antifreeze protection
& ...
Information for customers in California
Under California law you may be entitled to a
replacement of your vehicle or a refund of the
purchase price or lease price, if after a
reasonable number of repair attempts
Mercedes-Benz USA, L ...
