2007 MERCEDES-BENZ CLK63AMG stop start

373 Practical hints
What to do if …?
ProblemPossible cause/consequenceSuggested solution
AThe yellow fuel tank reserve
warning lamp comes on while
driving.The fuel level has gone below the reserve
mark.Refuel at the next gas station
(
page 312).
CThe yellow roll bar warning lamp
comes on or flickers when the
engine is running.The roll bar system is malfunctioning.Release the roll bars manually.
Have the system checked at an
authorized Mercedes-Benz Center as
soon as possible.
on for a maximum of 6 seconds
after starting the engine.The seat belt telltale reminds you and your
passengers to fasten your seat belts before
driving off.Fasten your seat belts.
Regardless of whether the seat belts
are fastened or not, the seat belt tell-
tale always comes on and remains lit
for 6 seconds after starting the
engine.
maximum of 6 seconds after
starting the engine.You have forgotten to fasten your seat belt.Fasten your seat belt.
The warning chime stops sounding.

386 Practical hints
What to do if …?
Display messagePossible cause/consequencePossible solution
PSelector lever
in ParkYou have turned off the engine with the
KEYLESS-GO* start/stop button in gear
selector lever positionN and opened the
driver’s door.
or
You have attempted to switch off the en-
gine with the KEYLESS-GO* start/stop
button while the gear selector lever was in
positionR orD.Place the gear selector lever in
positionP.
Please
shift to
N or PYou have attempted to start the engine
with the KEYLESS-GO* start/stop button
while the gear selector lever was in
positionR orD.Place the gear selector lever in
positionP or N.
Please engage
roll-over barThe roll bars are malfunctioning.Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
Please release
roll-over barThe roll bars are malfunctioning.Operate the roll bars manually
(
page 413).
Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.

388 Practical hints
What to do if …?
Symbol messages
Display symbolDisplay messagePossible cause/consequencePossible solution
#The battery is no longer charging.
Possible causes:

broken poly-V-belt

alternator malfunctioning
Stop immediately in a safe location or
as soon as it is safe to do so and check
the poly-V-belt.
If it is broken:
Do not continue to drive. Otherwise
the engine will overheat due to an
inoperative water pump which may
result in damage to the engine. Notify
an authorized Mercedes-Benz Center.
If it is intact:
Drive immediately to the nearest
authorized Mercedes-Benz Center.
Low voltage
Charge batteryThe battery has insufficient voltage.Start the engine (page 50).
Low voltage
Switch off
consumersThe battery has insufficient voltage.Turn off unnecessary electrical con-
sumers.

391 Practical hints
What to do if …?
Display symbolDisplay messagePossible cause/consequencePossible solution
•Coolant
Stop, turn engine offThe coolant is too hot.
Among other possible causes, the
poly-V-belt could be broken.Stop the vehicle in a safe location or
as soon as it is safe to do so.
Apply the parking brake (page 58).
Turn off the engine.
Check the poly-V-belt.
If it is broken:
Do not continue to drive. Otherwise
the engine will overheat due to an in-
operative water pump which may re-
sult in damage to the engine. Contact
an authorized Mercedes-Benz Center.
If it is intact:
Wait for the message to disappear be-
fore restarting the engine.
Doing otherwise could result in seri-
ous engine damage that is not covered
by the Mercedes-Benz Limited War-
ranty.
(Continued on next page)

395 Practical hints
What to do if …?
Display symbolDisplay messagePossible cause/consequencePossible solution
A Reserve fuelThe fuel level has dropped below the re-
serve mark.Refuel at the next gas station
(
page 312).
I Remove keyYou have forgotten to remove the
SmartKey.Remove the SmartKey from the start-
er switch.
Replace keyNo additional code available for SmartKey
or SmartKey with KEYLESS-GO*.Contact an authorized Mercedes-Benz
Center as soon as possible.
Change
key batteriesThe SmartKey with KEYLESS-GO* batter-
ies are discharged.Change the batteries (page 425).
Key
not detectedThe SmartKey with KEYLESS-GO* is not
recognized while the engine is running be-
cause

the SmartKey is not in the vehicle

there is strong radio-frequency inter-
ference
Stop the vehicle as soon as it is safe to
do so.
Apply the parking brake (page 58).
Search for the SmartKey.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started
again after the engine has been stopped.
The SmartKey with KEYLESS-GO* is mo-
mentarily not recognized.Change the position of the SmartKey
in the vehicle.
Operate the vehicle with the SmartKey
in the starter switch if necessary.

410 Practical hints
Unlocking/locking in an emergency
Unlocking the vehicle
If you are unable to unlock the vehicle with
the SmartKey or KEYLESS-GO*, open the
driver’s door and the trunk using the
mechanical key.
1Mechanical key locking tab
2Mechanical key
Move locking tab1 in direction of
arrow.
Slide mechanical key2 out of the
housing.Unlocking the driver’s door
1Unlocking
Insert the mechanical key into the
driver’s door lock until it stops.
Turn the mechanical key counterclock-
wise to position1 until the locking
knob moves up.
The driver’s door is unlocked.
Pull the door handle to open the
driver’s door.
iUnlocking and opening the driver’s door
and/or the trunk with the mechanical key will
trigger the anti-theft alarm system.
To cancel the alarm, do one of the following:

Press button Œ or ‹on the
SmartKey.

Insert the SmartKey in the starter switch.
Vehicles with KEYLESS-GO*:

Pull the outside door handle.

Press the KEYLESS-GO* start/stop button
(
page 37).

416 Practical hints
Opening/closing in an emergency
Lower rear head restraints
(
page 120).
For safety reasons, remove SmartKey
from starter switch.
Open the trunk.
Remove the trunk floor cover.
Take the two straps for soft top emer-
gency operation out of vehicle tool kit
(
page 404).
Take hex wrench out of its storage
location in the storage well casing
(
page 405).
Open the left side trim panel in the
trunk.1Locking mechanismPull locking mechanism1 out until it
stops and rotate it approx. one-quarter
of a turn.
Make sure the locking mechanism
does not retract again. If this happens,
pull the locking mechanism out again
and rotate it approx. one-quarter of a
turn.
iIf the rear head restraints cannot be lowered
using the rear head restraint lowering switch, the
roll bars may have been released. For more infor-
mation, see “Operating roll bars manually”
(
page 413).


436 Practical hints
Flat tire
The CLK 63 AMG is equipped with a
TIREFIT kit
Preparing the vehicle
Park the vehicle in a safe distance from
moving traffic on a hard, flat surface
when possible.
Turn on the hazard warning flashers
(
page 133).
Turn the steering wheel so that the
front wheels are in a straight ahead
position.
Set the parking brake (page 58).
Move the gear selector lever toP.
Vehicles with SmartKey:
Turn off the engine (page 60).
Remove the SmartKey from the starter
switch.Vehicles with SmartKey with
KEYLESS-GO*:
Turn off the engine by pressing the
KEYLESS-GO* start/stop button on the
gear selector lever once (
page 60).
Open the driver’s door (this puts the ig-
nition in position0 (
page 38), same
as with the SmartKey removed from
the starter switch). The driver’s door
then can be closed again.
Have any passenger exit the vehicle at
a safe distance from the roadway.Sealing tires with TIREFIT
(CLK 63 AMG only)
Small tire punctures, particularly those in
the tread, can be sealed with TIREFIT.
TIREFIT can be used in ambient tempera-
tures down to -4°F (-20°C).
iOpen door only when conditions are safe to
do so.
Warning!G
Keep TIREFIT away from sparks, open flame
or heat source.
Do not smoke.