ProblemPossible causes/consequences and M SolutionsIf the warning lamp is still on:XObserve the additional display messages in the multifunction
display.XDrive on carefully.XVisit a qualified specialist workshop.!
The yellow ABS warning
lamp is lit while the
engine is running. A
warning tone also
sounds.EBD is malfunctioning. Therefore, ABS, BAS, BAS PLUS, ESP ®
,
PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD function and hill start
assist are also unavailable, for example.
ATTENTION ASSIST is deactivated.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
affected. 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.
XObserve the additional display messages in the multifunction
display.XDrive on carefully.XVisit a qualified specialist workshop.392Warning and indicator lamps in the instrument clusterOn-board computer and displays
ProblemPossible causes/consequences and M Solutions$ (USA only)
J (Canada only)
֌!
The red brake warning
lamp, the yellow ESP ®
and ESP ®
OFF warning
lamps and the yellow
ABS warning lamp are
lit while the engine is
running.ABS and ESP ®
are malfunctioning. Therefore, BAS, BAS PLUS,
EBD, PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD function and hill
start assist, for example, are not available either.
ATTENTION ASSIST is deactivated.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
affected. 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.
XObserve the additional display messages in the multifunction
display.XDrive on carefully.XVisit a qualified specialist workshop.÷
The yellow ESP ®
warning lamp flashes
while the vehicle is in
motion.ESP ®
or traction control has intervened because there is a risk of
skidding or at least one wheel has started to spin.
Cruise control or DISTRONIC PLUS is deactivated.XWhen pulling away, only depress the accelerator pedal as far as
necessary.XEase off the accelerator pedal while the vehicle is in motion.XAdapt your driving style to suit the road and weather conditions.XDo not deactivate ESP ®
.
For exceptions, see: ( Y page 67).å
The yellow ESP ®
OFF
warning lamp is lit while
the engine is running.ESP ®
is deactivated.GWARNING
If ESP ®
is switched off, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XReactivate ESP ®
.
For exceptions, see: ( Y page 67).XAdapt your driving style to suit the road and weather conditions.
If ESP ®
cannot be activated:
XDrive on carefully.XHave ESP ®
checked at a qualified specialist workshop.Warning and indicator lamps in the instrument cluster393On-board computer and displaysZ
ProblemPossible causes/consequences and M Solutions֌
The yellow ESP ®
and
ESP ®
OFF warning
lamps are lit while the
engine is running.ESP ®
, BAS, BAS PLUS, PRE-SAFE ®
, PRE-SAFE ®
Brake, the HOLD
function and hill start assist are not available due to a malfunction.
ATTENTION ASSIST is deactivated.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.
XObserve the additional display messages in the multifunction
display.XDrive on carefully.XVisit a qualified specialist workshop.֌
The yellow ESP ®
and
ESP ®
OFF warning
lamps are lit while the
engine is running.ESP ®
, BAS, PRE-SAFE ®
, the HOLD function and hill start assist are
temporarily unavailable.
BAS PLUS and PRE-SAFE ®
Brake may also have failed.
ATTENTION ASSIST is deactivated.
Self-diagnosis is not yet complete.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.
XCarefully drive a short distance on a suitable stretch of road,
making slight steering movements at a speed above 12 mph
(20 km/h).
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
XObserve the additional display messages in the multifunction
display.XDrive on carefully.XVisit a qualified specialist workshop.394Warning and indicator lamps in the instrument clusterOn-board computer and displays
ProblemPossible causes/consequences and M SolutionsF (USA only)
! (Canada only)
The red indicator lamp
for the electric parking
brake flashes and/or
the yellow warning
lamp for the electric
parking brake lights up.The electric parking brake is temporarily malfunctioning or
defective.XObserve the additional display messages in the multifunction
display.6
The red SRS warning
lamp is lit while the
engine is running.There is a malfunction in the SRS (Supplemental Restraint
System).GWARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
XDrive on carefully.XHave SRS checked at a qualified specialist workshop
immediately.
For further information about SRS, see ( Y page 44).
Warning and indicator lamps in the instrument cluster395On-board computer and displaysZ
EngineProblemPossible causes/consequences and M Solutions;
The yellow Check
Engine warning lamp
lights up while the
engine is running.There may be a malfunction, for example:
R in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system
R in the fuel system
The emission limit values may be exceeded and the engine may
be running in emergency mode.XHave the vehicle checked as soon as possible at a qualified
specialist workshop.
i In some states, you must immediately visit a qualified
specialist workshop as soon as the yellow Check Engine warning
lamp lights up. This is due to the legal requirements in effect in
these states. If in doubt, check whether such legal regulations
apply in the state in which you are currently driving.
The yellow reserve fuel
warning lamp flashes
while the vehicle is in
motion.
In addition, the ;
Check Engine warning
lamp may light up.The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.XObserve the additional display messages in the multifunction
display.XCheck that the fuel filler cap is correctly closed.XIf the fuel filler cap is not correctly closed: close the fuel filler
cap.XIf the fuel filler cap is closed: visit a qualified specialist
workshop.The yellow reserve fuel
warning lamp lights up
while the engine is
running.The fuel level has dropped into the reserve range.XRefuel at the nearest gas station.396Warning and indicator lamps in the instrument clusterOn-board computer and displays
Driving systemsProblemPossible causes/consequences and M Solutions·
The red distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds.You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.XBe prepared to brake immediately.XPay careful attention to the traffic situation. You may have to
brake or take evasive action.
More information about DISTRONIC PLUS ( Y page 298) and
PRE-SAFE ®
Brake ( Y page 68).
Warning and indicator lamps in the instrument cluster397On-board computer and displaysZ
TiresProblemPossible causes/consequences and M Solutionsh
USA only:
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) is lit.
Canada only:
The yellow tire pressure
monitor warning lamp
(pressure loss) is lit.The tire pressure monitor has detected a loss of pressure in at
least one of the tires.GWARNING
With tire pressures which are too low, there is a risk of the
following hazards:
R they may burst, especially as the load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.XObserve the additional display messages in the multifunction
display.XCheck the tire pressure. If necessary, correct the tire pressure
( Y page 461).XIf necessary, change the wheel ( Y page 477).h
USA only:
The yellow tire pressure
monitor warning lamp
(pressure loss/
malfunction) flashes for
approximately one
minute and then
remains lit.The tire pressure monitor is faulty.GWARNING
The system is possibly unable to recognize or register low tire
pressure.
There is a risk of an accident.
XObserve the additional display messages in the multifunction
display.XVisit a qualified specialist workshop.398Warning and indicator lamps in the instrument clusterOn-board computer and displays
To adjust the volume during an mbrace call,
proceed as follows:XPress the W or X button on the
multifunction steering wheel.
or
XUse the H volume controller of
COMAND ( Y page 113).
You can find further information and a
description of all available features under
"Owners Online" at http://
www.mbusa.com 17
.
System self-test
After you have switched on the ignition, the
system carries out a self-diagnosis.
A malfunction in the system has been
detected if one of the following occurs:
R the indicator lamp in the SOS button does
not come on during the system self-test.
R the indicator lamp in the º Roadside
Assistance button does not light up during
self-diagnosis of the system.
R the indicator lamp in the E MB-Info call
button does not light up during self-
diagnosis of the system.
R the indicator lamp in one or more of the
following buttons continues to light up red
after the system self-diagnosis:
- SOS button
- the º Roadside Assistance call
button
- the E MB Info call button
R the Tele Aid Inoperative or Tele Aid
Not Activated message appears in 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: Mercedes-Benz Customer Assistance
Center at
1-800-FOR-MERCedes (1-800-367-6372)
or 1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
Emergency call
Important safety notes
! You must have a license agreement to
activate the mbrace service. Ensure that
your system is activated and ready for use,
and press the E MB Info call button to
register. If one of these steps is not carried
out, it may not be possible to activate the
system.
If you have questions about the activation,
contact one of the following telephone
hotlines:
R USA: Mercedes-Benz Customer
Assistance Center at
1-800-FOR-MERCedes
(1-800-367-6372) or 1-888-990-9007
R Canada: Customer Service at
1-888-923-8367
An emergency call is dialed automatically if
an air bag or Emergency Tensioning Device is
triggered.
i You cannot end an automatically
triggered emergency call yourself.
An emergency call can also be initiated
manually.
As soon as the emergency call has been
initiated, the indicator lamp in the SOS button
flashes. The Connecting Call message
appears on the multifunction display.
Emergency Call Activated is shown in the
COMAND display. The audio system is muted.
17 USA only.408FeaturesStowage and features