2010 MERCEDES-BENZ CLS COUPE warning lights

Deactivating/activating ESP
®G
Risk of accident
If the ÷ warning lamp in the instrument
cluster flashes, proceed as follows:
R Under no circumstances should you deac-
tivate ESP ®
.
R Whe npulling away, only depress the accel-
erator pedal as far as is necessary.
R Adapt your driving style to the prevailing
road and weather conditions.
The vehicle may otherwise begin to skid.
If you drive too fast, ESP ®
cannot reduce the
risk of an accident. ESP ®
cannot override the
laws of physics.
For further information about
ESP ®
(Y page 58).
This function is no tavailable in AMG vehicles.
Activating/deactivating ESP ®
in AMG vehi-
cles (Y page 60).
X Start the engine.
X Press =or; on the steering wheel
to select the Assist. menu.
X Press 9or: to select ESP .
X Press the abutton.
X To deactivate: pressaagain.
The å warning lamp in the instrument
cluster comes on. G
Risk of accident
If the å warning lamp in the instrument
cluster lights up when the engine is running,
ESP ®
is deactivated or is unavailable due to a
malfunction. The risk that your vehicle may
start to skid then increases in certain situa-
tions.
Always adapt yourd riving style to the prevail-
ing road and weather conditions.
X To activate: pressaagain.
The å warning lamp in the instrument
cluster goes out. Activating/deactivating the PRE-SAFE
®
Brake This function is only available with DIS-
TRONIC PLUS.
X
Press =or; on the steering wheel
to select the Assist. menu.
X Press 9or: to select PreSafe Brake .
X Press the abutton.
The current selection is displayed.
X To activate/deactivate: pressa
again.
When PRE-SAFE ®
Brake (Y page 61) is acti-
vated, the multifunction display shows the
Ä symbol as long as the HOLD function is
not activated (Y page 165).
Activating/deactivating Attention
Assist X
Press =or; on the steering wheel
to select the Assist. menu.
X Press the 9or: button to select the
Attention Asst. function.
X Press a.
The current selection is displayed.
X To activate/deactivate: pressa
again.
When ATTENTION ASSIST (Y page 177) is
activated, the Àsymbol appears in the
multifunction display when the ignitio nis on.
Activating/deactivating Blind Spot
Assist You can use the
Blind Spot Asst. function
to activate or deactivate Blind Spot Assist
(Y page 183) or Active Blind Spot Assist
(Y page 186).
X Press =or; on the steering wheel
to select the Assist. menu.
X Press 9or: to select Blind Spot
Asst. .204
Menus and submenusOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
÷
inoperative See Owner's Manual G
Risk of accident
ESP ®
,B AS, PRE-SAFE ®
, the HOLD functio nand hill start assist are
not available due to a malfunction.
The adaptive brake lights, BAS PLUS and PRE-SAFE ®
Brake may
also have failed.
In addition, the ÷andå warning lamps light up in the
instrument cluster.
ATTENTION ASSIST is deactivated.
The brake system continue sto function normally, but without the
functions listed above.
X Drive on carefully.
X Visit a qualified specialist workshop. PRE-SAFE
inoperative See
Owner's Manual G
Risk of injury
Important functions of PRE-SAFE ®
have failed. All other occupant
safety systems, e.g. airbags, remain available.
X Visit a qualified specialist workshop immediately. 216
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
G
Risk of injury
Vehicles with automati cchild seat recognition on the front-
passenger seat: the automatic child seat recognition sensor is
faulty.
X Visit a qualified specialist workshop. 6
Restraint
sys. mal‐
function Consult
workshop G
Risk of injury
There is a malfunction in the SRS (Supplemental Restraint Sys-
tem). The 6warning lamp also lights up in the instrumentc lus-
ter.
X Visit a qualified specialist workshop. 6
Front
left malfunc‐
tion Consult work‐
shop
or
Front right mal‐
function Consult
workshop G
Risk of injury
SRS has malfunctione dat the front on the left or right. The 6
warning lamp also lights up in the instrument cluster.
X Visi taqualified specialist workshop. 6
Rear left malfunc‐
tion Consult work‐
shop
or
Rear
right malfunc‐
tion Consult work‐
shop G
Risk of injury
SRS has malfunctioned at the rear on the left or right. The 6
warning lamp also lights up in the instrument cluster.
X Visit a qualified specialist workshop. 6
Left
windowbag mal‐
function Consult
workshop
or
Right windowbag
malfunction Con‐
sult workshop G
Risk of injury
There is a malfunction in the left-hand and/or right-hand window-
bag. The 6warning lamp also lights up in the instrument clus-
ter.
X Visit a qualified specialist workshop. 218
Display messagesOn-board computer and displays

Brakes
Display messages Possible causes/consequences and
M Solutions
!÷
currently unavail‐
able See Owner's
Manual G
Ris
kofa ccident
ABS (Anti-lock Braking System), ESP ®
(Electronic Stability Pro-
gram), BA S(Brake Assist), PRE-SAFE ®
, the HOLD function and hill
star tassist are temporarily unavailable.
The adaptive brake lights, BAS PLUS and PRE-SAFE ®
Brake may
also have failed.
In addition, the ÷,åand! warning lamps light up in
the instrument cluster.
The self-diagnosis function might not be complete, for example.
ATTENTION ASSIST is deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X Carefully drive on a suitable stretch of road, making slight steer-
ing movements, at a speed above 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. G
Risk of accident
ABS, ESP ®
, BAS, PRE-SAFE ®
, the HOLD function and hill start
assist are temporarily unavailable.
The adaptive brake lights, BAS PLUS and PRE-SAFE ®
Brake may
also have failed.
In addition, the ÷,åand! warning lamps light up in
the instrument cluster.
For example, the on-board voltage may be insufficient.
ATTENTION ASSIST is deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X Drive on carefully.
If the display message disappears, the functions mentioned
above are available again. Display messages
219On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
If the display message continues to be displayed:
X
Drive on carefully.
X Visit a qualified specialist workshop. !÷
inoperative See
Owner's Manual G
Risk of accident
ABS, ESP ®
, BAS, PRE-SAFE ®
, the HOLD function and hill start
assist are no tavailable due to a malfunction.
The adaptive brake lights, BAS PLUS and PRE-SAFE ®
Brake may
also have failed.
In addition, the J,÷,åand! warning lamps light
up in the instrument cluster.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
ATTENTION ASSIST is deactivated.
X Drive on carefully.
X Visi taqualified specialist workshop immediately. T!
÷
inoperative See
Owner's Manual G
Risk of accident
EBD (Electronic Brake force Distribution), ABS, ESP ®
, BAS, PRE-
SAFE ®
, the HOLD function and hill start assist are not available
due to a malfunction.
The adaptive brake lights, BAS PLUS and PRE-SAFE ®
Brake may
also have failed.
In addition, the ÷,åand! warning lamps in the instru-
ment cluster light up and a warning tone sounds.
ATTENTION ASSIST is deactivated.
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. J
Release parking
brake You are driving with the parking brake applied.
Awarning tone also
sounds.
X Release the parking brake 220
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
M Solutions
J
Check brake fluid
level G
Risk of accident
There is insufficien tbrake fluid in the brake fluid reservoir. In addi-
tion, the red Jwarning lamp in the instrument cluster lights
up and a warning tone sounds.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Apply the parking brake.
X Consult a qualified specialist workshop.
X Do not top up the brake fluid. This does not correct the error. #
Check brake wear The brake pads/linings have reached their wearl
imit.
X Visit a qualified specialist workshop. Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed. Displa
ymessages Possible causes/consequences and
M Solutions
b
Left cornering
light
or
Right cornering
light The left or right-hand cornering light is faulty.
X
Visit a qualified specialist workshop. b
Left dipped beam
or
Right dipped beam The left or right-hand dipped-beam headlamp is faulty.
X
Visit a qualified specialist workshop. b
Rear
left indicator
or
Rear right indica‐
tor The rear left-hand or rear right-hand tur
nsignal is faulty.
X Visit a qualified specialist workshop. Display messages
221On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
b
Left revers. lamp
or
Right revers. lamp The lef
torright-hand reversing lamp is faulty.
X Replace the bulb (Y page 104).
or
X Visit a qualified specialist workshop. b
Left daytime driv‐
ing lamp
or
Right
daytime driv‐
ing lamp The left or right-hand daytime driving lamp is defective.
X
Visit a qualified specialist workshop. b
Intell. Light Sys‐
tem inoperative The Intelligent Light System is faulty. The lights remain available
without the Intelligent Light System.
X
Visit a qualified specialist workshop. b
Malfunction See
Owner's Manual The exterior lighting is faulty.
X
Visit a qualified specialist workshop. b
AUTO
lights inoper‐
ative The light sensor is faulty.
X
Visit a qualified specialist workshop. b
Switch off lights The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to c.Adaptive Main-beam
Assist inoperative Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop. Adaptive Main-beam
Assist currently
unavailable See
Owner's Manual Adaptive Highbeam Assist is deactivated and temporarily inoper-
ative if:
R
the windscreen is dirty in the camera's field of vision.
R visibility is impaired due to heavy rain, snow or fog.
X Clean the windscreen.
Adaptive Highbeam Assist is available again if:
R the dirt (e.g .slush) drops away while the vehicle is in motion.
R the system detects that the camera is fully operational again.
The Adaptive Main-beam Assist available again message
is displayed. Display messages
223On-board computer and displays Z

Warning and indicator lamps in the instrument cluster
Brakes
Problem Possible causes/consequences and
M Solutions
J
The yellow brake sys-
tem warning lamp
lights up while the
engine is running.
G
Risk of accident
The brake syste mis malfunctioning and the braking characteris-
tics may be affected.
X If the multifunction display shows a display message, please
observe this.
X Drive on carefully.
X Visit a qualified specialist workshop. J
The red brake system
warning lamp comes on
while the vehicle is
moving. A warning tone
also sounds.
You are driving with the parking brake applied.
X
Release the parking brake
The warning lamp goes out and the warning tone ceases. J
The red brake system
warning lamp comes on
while the engine is run-
ning. A warning tone
also sounds.
G
Risk of accident
The brake boosting effect is malfunctioning and the braking char-
acteristics may be affected.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Apply the parking brake.
X Consult a qualified specialist workshop.
X Observe the additional display messages in the multifunction
display. J
The red brake system
warning lamp comes on
while the engine is run-
ning. A warning tone
also sounds.
G
Risk of accident
There is not enough brake fluid in the brake fluid reservoir.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Apply the parking brake.
X Consult a qualified specialist workshop immediately.
X Observe the additional display messages in the multifunction
display.
Do not top up the brake fluid. This does not correct the error. 238
Warning and indicator lamps in the instrument clusterOn-board computer and displays