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Safety systems
Display messagesPossible causes/consequences andMSolutions
!÷
Currently UnavailZ
able. See OperaZ
tor's Manual
ABS (Anti-lock Braking System), ESP®
(Electronic Stability Pro-
gram), BAS (Brake Assist), the HOLD function, hill start assist and
ESP ®
trailer stabilization are temporarily unavailable.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷,å and! warning lamps light up in the
instrument cluster.
Possible causes are: R self-diagnosis is not yet complete.
R the on-board voltage may be insufficient.
GWARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely affec-ted. The braking distance in an emergency braking situation can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Carefully drive a suitable distance, making slight steering move-
ments at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed: X Drive on carefully.
X Visit a qualified specialist workshop.
!÷
Inoperative. See
Operator's Manual
ABS, ESP ®
, BAS, the HOLD function, hill start assist and
ESP ®
trailer stabilization are unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed. The $ (USA only)/ J(Canada only), ÷,å and!
warning lamps in the instrument cluster also light up.
GWARNING
The brake system continues to function normally, but without the functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely affec-ted. The braking distance in an emergency braking situation can increase.
Display messages149
On-board computer and displays
Z
Page 153 of 274

Display messagesPossible causes/consequences andMSolutions
÷
Inoperative. See
Operator's Manual
ESP®
, BAS, the HOLD function, hill start assist and ESP ®
trailer
stabilization are unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷andå warning lamps light up in the
instrument cluster.
GWARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop.
T !
÷
Inoperative. See
Operator's Manual
EBD (electronic brake force distribution), ABS, ESP ®
, BAS, the
HOLD function, hill start assist and ESP ®
trailer stabilization are
unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷,å and! warning lamps light up in the
instrument cluster and a warning tone sounds.
GWARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop immediately.
F(USA
only)
!(Canada
only)
ReleasePark.Brake
You are driving with the parking brake applied. A warning tone also sounds.
X Release the parking brake.
Display messages151
On-board computer and displays
Z
Page 200 of 274

phone network, a valid SIM card and a sub-scription to a security service.
R the battery is sufficiently charged.
R the corresponding mobile phone network is
available for transmitting data to the Cus-
tomer Center.
iDetermining the location of the vehicle on
a map is only possible if there is sufficient
GPS reception and the vehicle position can
be forwarded to the Customer Center.
The mbrace system
To adjust the volume during an mbrace call,
proceed as follows:
X Press the WorX button on the mul-
tifunction steering wheel.
or
X Use the COMAND volume control.
The mbrace system provides three different
services:
R Automatic and manual emergency call
R Roadside Assistance call
R MB Info call
USA only: you can find more information and
a description of all available features under
"Owners Online" at http://
www.mbusa.com .
System self-test
GWARNING
A malfunction in the system has been detec-
ted if one of the following conditions occurs:
R the indicator lamp in the SOS button does
not light up during the system self-diagno-sis.
R the indicator lamp in the ºRoadside
Assistance button does not light up during
the system self-diagnosis.
R the indicator lamp in the Einformation
button does not light up during the system
self-diagnosis.
R the indicator lamp in the SOS button, º
Roadside Assistance button or Einfor-
mation button continues to be lit red after
the system self-diagnosis.
R the
TeleAidinoperativeorTeleAid
not activatedmessage appears on the
multifunction display after the system self-
diagnosis.
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:
R USA: Response Center at
1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
After you have switched on the ignition, the
system carries out a self-diagnosis.
Emergency call
Important safety notes
GWARNING
If the indicator lamp in the SOS button is
flashing continuously and there was no voice
connection to the Response Center estab-
lished, then the mbrace system could not ini- tiate an emergency call (e.g. the relevant cel-
lular phone network is not available).
The message
Call Failedappears in the
multifunction display for approximately
10 seconds.
Should this occur, assistance must be sum-
moned by other means.
!You must have a license agreement to
activate the mbrace service. Ensure that
your system is activated and ready for use, and press the EMB Info call button to
register. If one of these steps is not carried
out, it may not be possible to activate thesystem.
198Features
Stowage and features