2008 MERCEDES-BENZ CLS COUPE brake

Display messages
222 Display messages Possible cause/consequence Possible solution
DISTRONIC currently unavail-
able See Owner's
Manual
Distronic* is deactivated and is tempora-
rily inoperative, if:
R
the Distronic*
cover in the radiator
grille is dirty
R its function is impaired due to heavy
rain, snow or fog.
R the radar sensor system is temporarily
unavailable, e.g. because of electro-
magnetic radiation.
R The radar sensor system has not detec-
ted any vehicles or stationary objects,
e.g. traffic signs, for a long time.
R The system has overheated. Distronic* is available again and the display mes-
sage disappears when the dirt (e.g. slush) falls off
while you are driving or if the system detects that
the sensors are fully available again.
If the display message does not disappear:
X
Clean the Distronic* cover in the radiator grille
(Y page 213).
X If necessary, wait until the system has cooled
down.
X Restart the engine. ESP
also lights up:
v inoperative See
Owner's Manual
G
Risk of accident
ESP ®

and therefore also Brake Assist and
PRE-SAFE ®
are unavailable due to a mal-
function.
The brake system is still available with
complete brake boosting effect. X
Drive on carefully.
X Visit a qualified specialist workshop. Practical advice
* optional
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Display messages
226 Display messages Possible cause/consequence Possible solution
Tyre pressure Check tyres The tyre pressure loss warning system has
detected a significant pressure loss. X
Stop the vehicle without making any sudden
steering
or braking manoeuvres. Pay attention
to the traffic conditions as you do so.
X Check the tyres.
X Check the tyre pressure and correct it if nec-
essary ( Y page 200).
X Repair or change the faulty wheel as necessary
(Y page 276).
X Then restart the tyre pressure loss warning
system once the tyre pressure is correct
(Y page 201). Run Flat Indi-
cator inoperative The tyre pressure loss warning system is
deactivated due to a malfunction. X
Visit a qualified specialist workshop. Check tyres, then restart Run
Flat Indicator There was a tyre pressure warning mes-
sage. X
Make sure that the pressure set is correct for
all tyres

(Y page 200).
X Then restart the tyre pressure loss warning
system (Y page 201). HOLD off HOLD has been deactivated. The vehicle
is skidding or a condition for activating
SBC HOLD is no longer met when the
brake pedal is firmly depressed. X
Reactivate HOLD later. Practical advice
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Display messages
227Display messages Possible cause/consequence Possible solution
HOLD cannot be activa-
ted See Owner's
Manual A condition for activating HOLD has not
been met. Check the conditions for activating HOLD
(Y page 144).
X
Close the bonnet.
X Close the driver's door.
X Start the engine.
X Release the parking brake.
X Switch off all consumers that are not required.
HOLD can be reactivated as soon as the on-
board voltage is sufficient. HOLD inoperative See
Owner's Manual A malfunction has occurred. X
Visit a qualified specialist workshop. Cruise control
and SPEEDTRONIC inoperative Speedtronic and cruise control or Dis-
tronic* are not operational. X
Visit a qualified specialist workshop. SRS Restraint system
malfunction Con-
sult workshop The restraint systems are faulty. X
Visit a qualified specialist workshop immedi-
ately. Cruise control - - - A condition for activating cruise control
has not been met. X
Activate ESP ®
(Y page 59)
X If conditions permit, drive faster than
30 km/h
and store the speed (Y page 132). Practical advice
* optional
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Display messages
230 Display messages Possible cause/consequence Possible solution
@ STOP Car too low
G
Risk of accident
AIRMATIC Dual Control* is faulty. !
Avoid large steering angles, otherwise the
wing or the tyres could be damaged when you
drive on. Listen for scraping sounds.
X Do not exceed a maximum speed of 80 km/h .
X Pull over and select a higher vehicle level.
The vehicle may be raised, depending on the
type of fault.
X Visit a qualified specialist workshop immedi-
ately. @ Malfunction
The AIRMATIC Dual Control* function is
restricted. The vehicle's handling charac-
teristics may be affected. X
Do not exceed a maximum speed of 80 km/h
.
X Visit a qualified specialist workshop. 2 Brake wear The brake pads/linings have reached
their wear limit. X
Have the brake pads/linings replaced as soon
as possible at a qualified specialist workshop. 3 Brake immediately A malfunction occurred with HOLD acti-
vated.
The horn may also sound at regular inter-
vals. The horn becomes louder if you
attempt to lock the vehicle.
The engine cannot be started. X
Immediately depress the brake pedal firmly
until

the warning message in the multi-function
display disappears.
X Prevent the vehicle from rolling away before
you leave it

(Y page 103).
The engine can be started again. Practical advice
* optional
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Display messages
231Display messages Possible cause/consequence Possible solution
3 EBV, ABS, ESP inop-
erative See Own-
er's Manual
G
Risk of accident
EBV, ABS and ESP ®
are unavailable due to
a malfunction. BAS has also been deacti-
vated. PRE-SAFE ®
is therefore also not
operational.
The brake system is still available with
complete brake boosting effect. X
Drive on carefully.
X Visit a qualified specialist workshop immedi-
ately. 3 Check brake fluid
level
G
Risk of accident
There is insufficient brake fluid in the
brake fluid reservoir. X
Pull over as soon as it is safe to do so.
X Do not continue driving under any circumstan-
ces.
X Consult the nearest qualified specialist work-
shop.
X Do not top up the brake fluid. This will not rec-
tify the malfunction. ! Release parking
brake You are driving with the parking brake on. X
Release the parking brake. [ Clean fuel filter X
Visit a qualified specialist workshop. Practical advice
219_AKB; 2; 4, en-GB
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Display messages
234 Display messages Possible cause/consequence Possible solution
. Turn signal in
left-hand mirror
or
Turn signal in
right-hand mirror The turn signal lamp on the left-hand or
right-hand exterior mirror is faulty. This
display message will only appear if all
LEDs have failed. X
Visit a qualified specialist workshop. . Front left turn
signal Back-up
bulb on
or
Front right turn
signal Back-up
bulb on The front left-hand or right-hand turn sig-
nal is faulty. X
Replace the bulb ( Y page 271). . 3rd brake lamp The third brake lamp is faulty. This display
message will only appear if all LEDs have
failed. X
Visit a qualified specialist workshop. . Left brake-/tail
lamp Back-up bulb
on
or
Right brake-/tail
lamp Back-up bulb
on The left-hand or right-hand rear brake
lamp is faulty. This display message will
only appear if all LEDs have failed. X
Visit a qualified specialist workshop. Practical advice
219_AKB; 2; 4, en-GB
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Troubleshooting
244 Indicator and warning lamps in the instrument cluster
Problem Possible cause/consequence Suggested solutions
-
The yellow ABS warning
lamp comes on while the
engine is running. G
Risk of accident
ABS is unavailable due to a mal-
function. Therefore, Brake Assist,
ESP ®
, EBV and PRE-SAFE ®
are,
for example, also deactivated.
The brake system continues to
function normally, but without
electronic support. The wheels
could therefore lock if you brake
hard, for example. X
Drive on carefully.
X Observe the additional messages in the multi-function display
(Y page 219).
X Visit a qualified specialist workshop as soon as possible. v
The yellow ESP ®
warning
lamp
is lit while the engine
is running. G
Risk of accident
ESP ®
is deactivated. ESP ®
will
not
stabilise the vehicle if it starts
to skid or if a wheel starts to spin. X
Reactivate ESP ®
(Y page 59).
Exceptions:
(Y page 59).
X Adapt your driving style to suit the road and weather conditions. v
The yellow ESP ®
warning
lamp
is lit while the engine
is running. G
Risk of accident
ESP ®

is unavailable due to a mal-
function. ESP ®
will not stabilise
the vehicle if it starts to skid or if
a wheel starts to spin. X
Observe the additional messages in the multi-function display
(Y page 220).
X Drive on carefully.
X Visit a qualified specialist workshop. Practical advice
219_AKB; 2; 4, en-GB
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Troubleshooting
245Problem Possible cause/consequence Suggested solutions
v
The yellow ESP ®
warning
lamp flashes while the
vehicle is in motion. G
Risk of accident
ESP ®
or traction control has
intervened because at least one
wheel has started to spin.
Cruise control or Distronic* is
deactivated. X
Only depress the accelerator pedal as far as necessary when pull-
ing away.
X Release the accelerator pedal while you are driving.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
. Exceptions: (Y page 59).3
The red brake system
warning lamp comes on
while you are driving. You
will also hear a warning
tone. You are driving with the parking
brake applied. X
Release the parking brake.
The warning lamp goes out and the warning tone ceases. 3
The red brake system
warning lamp comes on
while the engine is run-
ning. You will also hear a
warning tone. G
Risk of accident
There is insufficient brake fluid in
the fluid reservoir. X
Do not continue driving under any circumstances.
X Consult a qualified specialist workshop immediately.
X Observe the additional messages in the multi-function display
(Y page 219).
X Under no circumstances should you top up the brake fluid. This will
not rectify the fault. l
The red distance warning
lamp* lights up while the
vehicle is in motion. G
Risk of accident
The distance to the vehicle in
front is too short for the speed
selected. X
Increase the distance. Practical advice
* optional
219_AKB; 2; 4, en-GB
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