stop start MERCEDES-BENZ C-CLASS SALOON 2007 User Guide

Display
messages 25
1 Display messages Possible cause/consequence Possible solution
3 EBV, ABS, ESP inop-
erative See Own-
er's Manual
G
Risk of accident
EBV, ABS, ESP ®
, BAS, PRE–SAFE ®
*, hill
start assist and ESP ®
trailer stabilisatio n
are unavailable due to a malfunction. In
addition, the vwarning lamp in th e
instrument cluster lights up and a warnin g
tone sounds.
The brake system continues to functio n
normally, but without the functions listed
above . X
Drive on carefully.
X Visit a qualified specialist workshop immedi-
ately. ñ Clean the fuel fil-
ter X
Visit a qualified specialist workshop. D 4-button multi-function
steering wheel:
Stop vehicl
e
Engine off
12-button luxury multi-
function steering
wheel:
Coolant Stop vehi-
cle Switch engine
off The coolant is too hot. In addition, the
D
warning lamp in the instrument clus-
ter lights up and a warning tone sounds. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Switch off the engine.
X Wait until the display message disappears
before restarting the engine. There is other-
wise a risk of engine damage.
X Observe the coolant temperature gauge.
X If the temperature increases again, visit a quali-
fied specialist workshop immediately. Practical advice
* optional
204_AKB; 2; 3, en-GB
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Display
messages 25
2 Display messages Possible cause/consequence Possible solution
D 4-button multi-function
steering wheel:
Stop vehicl
e
Engine off
12-button luxury multi-
function steering
wheel:
Coolant Stop vehi-
cle Switch engine
off The poly-V-belt may have torn. A warning
tone also sounds. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Switch off the engine.
X Check the poly-V-belt .
X If it is not damaged :do not start the engin e
again until the display message goes out. Ther e
is otherwise a risk of engine damage.
X If it has torn: do not drive on. Contact th e
nearest qualified specialist workshop .D The radiator's electric fan has failed. 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. H Top up coolant See
Owner's Manual The coolant level is too low. X
Top up the coolant, observing the warning
notes (Y page 209).
X Have the coolant system checked at a qualified
specialist workshop if the coolant needs top-
ping up more often than usual .Practical advice
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Display
messages 26
8 Display messages Possible cause/consequence Possible solution
I 4-button multi-function
steering wheel:
Change batter
y
12-button luxury multi-
function steering
wheel:
Change key batter -
ies The KEYLESS GO* key batteries are dis-
charged. X
Change the batteries (Y page 304). I Key not detected
The KEYLESS GO key* is not detected
while the engine is running because it is
not inside the vehicle or because of strong
radio interference. A warning tone also
sounds.
Once the engine is switched off, you will
no longer be able to lock the vehicle cen-
trally or start the engine. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Locate the KEYLESS GO key* or operate the
vehicle using the key in the ignition lock. I Key not detected
The KEYLESS GO* key cannot be detec-
ted. X
Change the location of the KEYLESS GO key*
within the vehicle .
X Operate the vehicle using the key in the ignition
lock if necessary. Practical advice
* optional
204_AKB; 2; 3, en-GB
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Troubleshooting
28
2 Problem Possible cause/consequence Suggested solutions
D
The red coolant warning
lamp lights up while the
engine is running. You will
also hear a warning tone. The coolant temperature has
exceeded 130
†. The engine is
not being cooled sufficiently and
may be damaged .
The coolant level may be too low. X
Stop the vehicle as soon as possible. Pay attention to the traffic
conditions as you do so.
X Allow the engine and coolant to cool.
X Check the coolant level. Observe the warning note s
( Y page 209). Top up the coolant if necessary.
X Have the coolant system checked at a qualified specialist work-
shop if the coolant needs topping up more often than usual .
If the coolant level is correct, the radiator fan may be faulty. In this
case:
X Do not continue driving under any circumstances .
X Consult a qualified specialist workshop. ±
The yellow engine diagnos-
tic warning lamp lights up
while the engine is run-
ning. Vehicles with a diesel engine: the
fuel tank has run dry. X
Start the engine three to four times after refuelling.
Emergency running mode is cancelled. The vehicle need not be
checked. Practical advice
204_AKB; 2; 3, en-G
B
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Troubleshooting
29
1 Problem Possible cause/consequence Suggested solutions
Vehicles with a petrol engine:
The engine is not running
smoothly and is misfiring. The engine electronics or
a
mechanical component of the
engine control unit have been
damaged. X
Only depress the accelerator pedal slightly.
X Have the cause rectified immediately at a qualified specialist work-
shop .
Otherwise, non-combusted fuel may get into the catalytic converter
and damage it. A coolant temperature of over
120 °C is displayed. The coolant
warning lamp may also be on and
a warning signal may sound
(
Y page 123). The coolant level is too low. The
coolant is too hot and the engin
e
is no longer being cooled suffi-
ciently. X
Stop as soon as possible and allow the engine and the coolant to
cool down.
X Check the coolant level (Y page 209). Observe the warning notes
as you do so and top up the coolant if necessary. If the coolant level is correct, the
radiator fan may be faulty. The
coolant is too hot and the engin
e
is no longer being cooled suffi-
ciently. X
If the coolant temperature is less than 120°C, you can continue
driving to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. when driving on
mountain roads and stop/start driving . Practical advice
204_AKB; 2; 3, en-GB
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Troubleshooting
29
2 Automatic transmission
*Problem Possible cause/consequence Suggested solutions
The transmission has problems
shifting gear The transmission is losing oil. X
Have the transmission checked at a qualified specialist workshop
immediately . The acceleration ability is deteri-
orating.
The transmission no longer
changes gear. The transmission is in emergenc
y
mode.
It is only possible to shift into
2nd gear and reverse gear. X
Stop the vehicle.
X Move the selector lever to P.
X Turn the key to position 0in the ignition lock .
X Wait at least 10 seconds before restarting the engine.
X Move the selector lever to position Dor R.
If D is selected, the transmission shifts into 2nd gear; if Ris selec -
ted, the transmission shifts into reverse gear .
X Have the transmission checked at a qualified specialist workshop
immediately . Practical advice
* optional
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Towing and tow-startin
g 331
Opening the rear cover
Rear bumper
1
Cove r
X Press the mark on cover 1inwards.
X Take cover 1off the opening but do not
remove it.
Securing the towing eye X
Take the towing eye and the wheel wrench
from the vehicle tool kit (Y page 234).
X Screw in the towing eye clockwise to the
stop .
X Insert the wheel wrench handle into the
towing eye and tighten. Towing the vehicle
! Vehicles with 4MATIC* may not be towed
with the front or rear axle raised.
! If the vehicle is to be towed with the front
or rear axle raised, the ignition must be
switched off (key in position 0or 1in the
ignition lock). Application of the brakes by
ESP ®
could otherwise destroy the brake
system on the front or rear axle.
Vehicles with manual transmission X
Turn the key to position 2in the ignition
lock .
X Shift to neutral .
Vehicles with automatic transmission * X
Turn the key to position 2in the ignition
lock .
X Move the selector lever to N. Tow-starting (emergency engine
starting )
Please note:
R Vehicles with an automatic transmission*
must not be tow-started.
R The battery must be connected.
R The engine and catalytic converter must be
cold.
R Avoid repeated and lengthy starting
attempts .
Vehicles with manual transmission X
Turn the key to position 2in the ignition
lock .
X Shift to neutral .
X Tow the vehicle or let it roll.
X Shift to a suitable gear and bring the clutch
pedal up slowly. Do not depress the accel-
erator pedal.
The engine is started. Practical advice
* optiona l
204_AKB; 2; 3, en-GB
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