2008 MERCEDES-BENZ CLS COUPE Owners Manual

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
223Display messages Possible cause/consequence Possible solution
P Selector lever in
park position You have switched off the engine with the
KEYLESS
GO button* and opened the driv-
er's door.
or
With HOLD activated, you have either:
R opened the driver’s door and released
the seat belt or
R switched off the engine or
R opened the bonnet
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
Move the selector lever to P.
The engine can be started again. P Selector lever in
park position You have tried to switch off the engine
with the KEYLESS GO button*

while the
selector lever is in position R or D. X
Move the selector lever to P. Please shift to P or N You have attempted to start the engine
while the selector lever is not in position
P or N. X
Move the selector lever to P or N. PRE-SAFE inoperative See
Owner's Manual
PRE-SAFE
®
has failed. All other occupant
safety
systems, e.g. airbags, remain avail-
able. X
Visit a qualified specialist workshop. Practical advice
* optional
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Display messages
224 Display messages Possible cause/consequence Possible solution
Tyre pressure is only displayed
after
driving for a
few minutes The tyre pressure monitor* is measuring
the tyre pressure. X
Drive on.
The tyre pressures will appear in the multi-
function
display after you have been driving for
a few minutes. Tyre pressure the tyre pressure
Vehicles with tyre pressure monitor*: the
pressure of one or more tyres is too low
or the tyre pressures of the individual
wheels display a large discrepancy. X
Check the tyre pressure at the next opportunity
and correct it if necessary ( Y page 200).Tyre pressure
monitor inoperative
The tyre pressure monitor* is malfunc-
tioning. X
Have the tyre pressure monitor* and wheels
checked at a qualified specialist workshop. Tyre pressure
monitor inoperative No
wheel sensors
The tyre pressure monitor* is deactivated
because the vehicle is fitted with wheels
that do not have suitable wheel sensors. X
Have wheels with suitable wheel sensors fitted
at a qualified specialist workshop.
Once wheels with the correct wheel sensors
have been fitted, the tyre pressure monitor*
reactivates automatically after a few minutes
of driving. Practical advice
* optional
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Display messages
225Display messages Possible cause/consequence Possible solution
Tyre press.
mon. Wheel sensor miss-
ing
The tyre pressure monitor* is not receiv-
ing a signal from at least one wheel
because a wheel has been fitted which
does not have suitable sensors (e.g. the
spare wheel). Or there is a malfunction in
at least one wheel sensor.
A line is displayed in the multi-function
display for the tyre concerned instead of
the tyre pressure value. X
Have the tyre pressure monitor* and wheels
checked at a qualified specialist workshop.
Once
wheels with suitable wheel sensors have
been fitted again, the tyre pressures are dis-
played in the multi-function display after driv-
ing for a few minutes. Tyre pressure
monitor currently unavail-
able
The tyre pressure monitor* is temporarily
deactivated. The voltage of the vehicle's
electrical

system is too low or radio inter-
ference prevents the reception of sensor
signals. X
Drive on.
Once
the causes have been eliminated, the tyre
pressure monitor* automatically reactivates
after a few minutes of driving. 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
228 Symbol messages
G
Risk of accident and injury
Always have maintenance work carried out at a qualified specialist workshop which has the necessary specialist knowledge and tools to
carry out the work required.
Mercedes-Benz recommends that you use a Mercedes-Benz Service Centre for this purpose.
In
particular, work relevant to safety or on safety-related systems must be carried out at a qualified specialist workshop. If this work is not
carried out correctly, the operating safety of your vehicle could be compromised. There is a risk of accident and injury. Display messages Possible cause/consequence Possible solution
# The battery is not being charged. Possible
causes:
R
faulty alternator
R torn poly-V-belt
R malfunction in the electronics X
Stop immediately and safely when traffic con-
ditions allow and check the poly-V-belt.
X If it has torn: do not drive on. Contact the
nearest qualified specialist workshop.
X If it is not damaged:
have the vehicle checked
as soon as possible at a qualified specialist
workshop. Ê The boot lid is open. X
Close the boot lid. Y G
Risk of accident
Vehicles with an anti-theft alarm sys-
tem*: you are driving with the bonnet
open. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Close the bonnet. Practical advice
* optional
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Display messages
229Display messages Possible cause/consequence Possible solution
V At least one door is open. The display
symbol shows you which doors are open. X
Close the doors. D The cooling fan for the coolant is faulty. X
If the coolant temperature is less than 120†,
you can continue driving to the nearest quali-
fied specialist workshop.
X In doing so, avoid heavy loads on the engine
(e.g. driving in mountainous terrain) and stop-
and-go driving. @ Vehicle rising
Vehicles with AIRMATIC Dual Control*:
your vehicle is adjusting to the level you
have selected.
@ Vehicle rising
Please wait
Vehicles with AIRMATIC Dual Control*:
the
vehicle level is too low when the vehi-
cle is stationary. X
Do not pull away.
X Wait until the display message disappears.
The vehicle has reached the level required for
driving. Practical advice
* optional
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