2007 MERCEDES-BENZ SL550 stop start

349 Practical hints
What to do if …
Text messagesLeft display
Right display
Possible cause/consequence
Possible solution
ABC
Malfunction
Stop car
You have started driving although the
vehicle level is still too low.
The vehicle is being raised. The ABC
message goes out after a few seconds.

Stop your vehicle in a safe location or as
soon as it is safe to do so.

Wait until the message disappears from
the multifunction display.
You may then drive off.
The vehicle is losing oil.
The ABC message is continuously
shown.

Stop your vehicle in a safe location or as
soon as it is safe to do so.

Contact an authorized Mercedes-Benz
Center.

360 Practical hintsWhat to do if …Left display
Right display
Possible cause/consequence
Possible solution
P
Gear selector
lever to P
You have tried to start the engine with
the KEYLESS-GO* start/stop button
with the gear selector lever not in posi-
tion P.

Place the gear selector lever in position P.
You have tried to turn off the engine
with the KEYLESS-GO* start/stop but-
ton with the gear selector lever not in
position P.
Retractable roof
open/close
completely
The retractable hardtop is not locked
properly.

Push or pull on the retractable hardtop
switch until the indicator lamp in the
switch goes out and the retractable hard-
top is completely open or closed
(page 199).

366 Practical hintsWhat to do if …Left display
Right display
Possible cause/consequence
Possible solution
#
Battery/Alternator
Stop car
The battery is malfunctioning.
The electro-hydraulic brake system
requires electrical energy and
therefore has only limited opera-
tion. Considerably greater brake
pedal force is required and the stop-
ping distance is increased.

Stop the vehicle in a safe location. Adjust driv-
ing to be consistent with reduced braking re-
sponsiveness.

Contact an authorized Mercedes-Benz Cen-
ter.
2
Brake wear
The brake pads have reached their
wear limit.

Have the brake pads replaced as soon as pos-
sible.
USA only:;Canada only:3
Reduced
brake effect
Start engine
The battery has insufficient voltage
and cannot supply sufficient power
to the electro-hydraulic brake sys-
tem.

Start the engine.
The message disappears when sufficient
voltage is available.
!
Brake pad thickness must be visually
checked by a qualified technician at the intervals
specified in the Maintenance Booklet.
Warning!
G
Inhalation of exhaust gas is hazardous to
your health. All exhaust gas contains carbon
monoxide (CO), and inhaling it can cause un-
consciousness and lead to death.
Do not run the engine in confined areas
(such as a garage) which are not properly
ventilated.

371 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
•
Coolant
Stop car –

Turn engine off
The 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.

Turn off the engine.

Check the poly-V-belt.
If it is broken:

Do not continue to drive. Otherwise, the en-
gine will overheat due to an inoperative water
pump which may result in damage to the en-
gine. Contact an authorized Mercedes-Benz
Center.
If it is intact:

Wait for the message to disappear before re-
starting the engine.
Doing otherwise could result in serious engine
damage that is not covered by the
Mercedes-Benz Limited Warranty.
(Continued on next page)

377 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
A
Fuel cap
open
A loss of pressure has been detect-
ed in the fuel system. The fuel cap
may not be closed properly or the
fuel system may be leaky.

Check the fuel cap (
page 271).
If it is not closed properly:

Close the fuel cap.
If it is closed properly:

Have the fuel system checked by an autho-
rized Mercedes-Benz Center.
K
being lowered
The retractable hardtop is not com-
pletely opened or closed. The roof
hydraulics will start to lose pres-
sure.

Make sure the retractable hardtop is com-
pletely opened or closed (
page 199).
locked
in driving mode
You have attempted to open the re-
tractable hardtop while driving.

Stop the vehicle in a safe location and try to
open the hardtop again.
O
You are driving with the hood open.
Risk of accident!
Stop the vehicle in a safe location or as soon
as it is safe to do so.

Close the hood (
page 275).

379 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
F
Key
not detected
The SmartKey with KEYLESS-GO* is
not recognized while the engine is
running because:

The SmartKey with
KEYLESS-GO* is not in the vehi-
cle.


There is strong radio-frequency
interference.

Stop the vehicle in a safe location or as soon
as it is safe to do so.

Search for the SmartKey with KEYLESS-GO*.
Otherwise the vehicle cannot be centrally
locked nor can the engine be started again af-
ter the engine is stopped.

Operate the vehicle with the SmartKey with
KEYLESS-GO* in the starter switch
Key
not detected
The SmartKey with KEYLESS-GO* is
not recognized when attempting to
start the engine with the
KEYLESS-GO start/stop button* on
the gear selector lever because:

The SmartKey with
KEYLESS-GO* is not in the vehi-
cle.


The battery in the SmartKey
with KEYLESS-GO* is not insert-
ed properly or completely dis-
charged.

Change the position of the SmartKey with
KEYLESS-GO* in the vehicle.

Make sure the batteries in the SmartKey with
KEYLESS-GO* are properly inserted
(page 395) and are not discharged
(page 110).

Start the engine with the SmartKey with
KEYLESS-GO* in the starter switch if
necessary.

383 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
.
Turn signal
right mirror
The turn signal in the passenger
side exterior rear view mirror is mal-
functioning. This message will only
appear if all light emitting diodes
have stopped working.

Contact an authorized Mercedes-Benz Center
as soon as possible.
Tail lamp
left
Auxiliary bulb on
The left tail lamp is malfunctioning.
An auxiliary bulb has been brought
into use.

Contact an authorized Mercedes-Benz Center
as soon as possible.
Tail lamp
right
Auxiliary bulb on
The right tail lamp is malfunction-
ing. An auxiliary bulb has been
brought into use.

Contact an authorized Mercedes-Benz Center
as soon as possible.
Turn off
lights
You have removed the SmartKey
from the starter switch and opened
the driver’s door or removed the
SmartKey with KEYLESS-GO* from
the vehicle and left the headlamps
on.

Turn the exterior lamp switch toM
orU.
Turn signal
front left
Auxiliary bulb on
The left front turn signal lamp is
malfunctioning. An auxiliary bulb
has been brought into use.

Replace the bulb as soon as possible
(page 397).
Turn signal
front right
Auxiliary bulb on
The right front turn signal lamp is
malfunctioning. An auxiliary bulb
has been brought into use.

Replace the bulb as soon as possible
(page 397).

391 Practical hints
Locking/unlocking in an emergency
Locking/unlocking in an emergency
Unlocking the vehicle
If you cannot unlock the vehicle using the
SmartKey or KEYLESS-GO*, unlock the
driver’s door and the trunk using the me-
chanical key.
1Mechanical key locking tab
2Mechanical key

Move locking tab 1 direction of arrow
and slide the mechanical key 2 out of
the housing.Unlocking the driver’s door
1Unlocking
2Mechanical key

Insert mechanical key 2 into the lock
until it stops.

Turn mechanical key 2 counterclock-
wise to position 1.
The driver’s door is unlocked. You can
now open the driver’s door.
i
Unlocking the vehicle with the mechanical
key and opening the driver’s door or the trunk
will trigger the anti-theft alarm system
(
page 96).
To cancel the alarm, insert the SmartKey or the
SmartKey with KEYLESS-GO* in the starter
switch.