MERCEDES-BENZ SLK55AMG 2008 R171 Owner's Manual

380 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
KRetractable Roof Operation
Please WaitThe on-board voltage is too low.Start the engine.
The hardtop drive system was
shut down for safety reasons after
multiple, consecutive attempts to
raise or lower the hardtop.After about 10 minutes you can open or
close the retractable hardtop.
Switch on the ignition (page 37).
Repeat the opening or closing
procedure.
Retractable Roof
LoweringThe retractable hardtop is not
completely opened or closed. The
roof hydraulics will start to lose
pressure.Make sure the retractable hardtop is
completely opened or closed
(
page 240).
Retractable Roof
Operation Only At StandstillYou have attempted to open the
retractable hardtop while driving.Stop the vehicle in a safe location and try
to open the hardtop again.
Retractable Roof Not
Opened/Closed CompletelyYou are driving with the retract-
able hardtop not properly locked.Stop the vehicle in a safe location. Ob-
serve the traffic situation around you.
Push the retractable hardtop switch for-
ward or rearward until the retractable
hardtop is completely closed or open
(
page 240).

381 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
IPlease
get a new key.The SmartKey is malfunctioning.Contact an authorized Mercedes-Benz
Center.
Remove KeyYou have forgotten to remove the
SmartKey from the starter switch.Remove the SmartKey from the starter
switch.
.3rd Brake LampThe high mounted brake lamp is
malfunctioning. This message will
only appear if a critical number of
LEDs have stopped working.Contact an authorized Mercedes-Benz
Center as soon as possible.
AUTO-Light
InoperativeThe light sensor is malfunctioning.
The headlamps switch on automati-
cally.Contact an authorized Mercedes-Benz
Center as soon as possible.
To switch off the headlamps (U.S. vehicles only):
In the control system, set lamp operation to
manual mode (
page 143).
Switch off headlamps using the exterior
lamp switch (
page 109).

382 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.Brake-/Tail Lamp
LeftThe left brake lamp is malfunction-
ing. This message will only appear if
a critical number of LEDs have
stopped working.Contact an authorized Mercedes-Benz
Center as soon as possible.
Brake-/Tail Lamp
RightThe right brake lamp is malfunction-
ing. This message will only appear if
a critical number of LEDs have
stopped working.Contact an authorized Mercedes-Benz
Center as soon as possible.
Front Foglamp
LeftThe left front fog lamp is malfunc-
tioning.Contact an authorized Mercedes-Benz
Center as soon as possible.
Front Foglamp
RightThe right front foglamp is malfunc-
tioning.Contact an authorized Mercedes-Benz
Center as soon as possible.
Rear Foglamp
Auxiliary Bulb OnThe rear fog lamp on the driver’s
side is malfunctioning. A backup
bulb has been brought into use.Replace the bulb as soon as
possible (
page 400).
High Beam
LeftThe left high beam lamp (halogen
headlamps)/high beam flasher
lamp (Bi-Xenon* headlamps) is
malfunctioning.Replace the bulb as soon as
possible (
page 400).

383 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.High Beam
RightThe right high beam lamp (halogen
headlamps)/high beam flasher
lamp (Bi-Xenon* headlamps) is
malfunctioning.Replace the bulb as soon as
possible (
page 400).
License Plate Lamp
LeftThe left license plate lamp is
malfunctioning.Replace the bulb as soon as
possible (
page 400).
License Plate Lamp
RightThe right license plate lamp is
malfunctioning.Replace the bulb as soon as
possible (
page 400).
Reverse Lamp
LeftThe left backup lamp is malfunc-
tioning.Replace the bulb as soon as
possible (
page 400).
Reverse Lamp
RightThe right backup lamp is malfunc-
tioning.Replace the bulb as soon as
possible (
page 400).
Low Beam
LeftThe left low beam lamp is malfunc-
tioning.Halogen headlamp:
Replace the bulb as soon as
possible (
page 400).
Bi-Xenon* headlamp:
Contact an authorized Mercedes-Benz
Center as soon as possible.

384 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.Low Beam
RightThe right low beam lamp is malfunc-
tioning.Halogen headlamp:
Replace the bulb as soon as
possible (
page 400).
Bi-Xenon* headlamp:
Contact an authorized Mercedes-Benz
Center as soon as possible.
Parking lamp, Front Left
Auxiliary Bulb OnThe left front parking lamp is
malfunctioning. A backup bulb has
been brought into use.Replace the bulb as soon as
possible (
page 400).
Parking Lamp, Front Right
Auxiliary Bulb OnThe right front parking lamp is
malfunctioning. A backup bulb has
been brought into use.Replace the bulb as soon as
possible (
page 400).
Marker Lamp
Front LeftThe left front side marker lamp is
malfunctioning.Contact an authorized Mercedes-Benz
Center as soon as possible.
Marker Lamp
Front RightThe right front side marker lamp is
malfunctioning.Contact an authorized Mercedes-Benz
Center as soon as possible.
Marker Lamp
Rear LeftThe left rear side marker lamp is
malfunctioning. This message will
only appear if a critical number of
LEDs have stopped working.Contact an authorized Mercedes-Benz
Center as soon as possible.

385 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.Marker Lamp
Rear RightThe right rear side marker lamp is
malfunctioning. This message will
only appear if a critical number of
LEDs have stopped working.Contact an authorized Mercedes-Benz
Center as soon as possible.
Tail Lamp, Left
Auxiliary Bulb OnThe left tail lamp is malfunctioning.
This message will only appear if a
critical number of LEDs have
stopped working. A backup bulb
has been brought into use.Contact an authorized Mercedes-Benz
Center as soon as possible.
Tail Lamp, Right
Auxiliary Bulb OnThe right tail lamp is malfunction-
ing. This message will only appear if
a critical number of LEDs have
stopped working. A backup bulb
has been brought into use.Contact an authorized Mercedes-Benz
Center as soon as possible.
Switch Off
LightsYou have removed the SmartKey
from the starter switch, opened the
driver’s door and left the headlamps
on.Switch off the headlamps (page 61).
Switch off lights or
remove key
.
The exterior lamp switch is set to
positionU, and you have forgot-
ten to remove the SmartKey from
the starter switch. The parking
lamps remain switched on.Switch off the headlamps (page 61).
or
Remove the SmartKey from the starter
switch.

386 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.Left Mirror
Turn SignalThe left turn signal in the side mirror
is malfunctioning. This message will
only appear if a critical number of
LEDs have stopped working.Contact an authorized Mercedes-Benz
Center as soon as possible.
Right Mirror
Turn SignalThe right turn signal in the side mir-
ror is malfunctioning. This message
will only appear if a critical number
of LEDs have stopped working.Contact an authorized Mercedes-Benz
Center as soon as possible.
Turn Signal
Front LeftThe left front turn signal is malfunc-
tioning.Replace the bulb as soon as
possible (
page 400).
Turn Signal
Front RightThe right front turn signal is
malfunctioning.Replace the bulb as soon as
possible (
page 400).
Rear Left Turn Signal
Auxiliary Bulb OnThe left rear turn signal is malfunc-
tioning. A backup bulb has been
brought into use.Replace the bulb as soon as
possible (
page 400).
Rear Right Turn Signal
Auxiliary Bulb OnThe right rear turn signal is malfunc-
tioning. A backup bulb has been
brought into use.Replace the bulb as soon as
possible (
page 400).

387 Practical hints
What to do if …
Display symbolDisplay messagesPossible cause/consequencePossible solution
HPlease correct the
tire pressure.
The tire pressure is too low in one
or more tires.Check and correct tire inflation pressure as
required (
page 313).
Tire Pressure
Caution - Tire DefectOne or more tires are deflating.Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
If necessary, change the wheel (page 408).
Tire Pressure
Check TiresThe tire pressure in one or more
tires is already below the mini-
mum value.Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
Check and adjust tire pressure as required
(
page 313).
If necessary, change the wheel (page 408).
Warning!G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle. You
may lose control of the vehicle. Continued
driving with a flat tire will cause excessive
heat build-up and possibly a fire.
Warning!G
Follow recommend tire inflation pressures.
Do not underinflate tires. Underinflated tires
wear excessively and/or unevenly,
adversely affect handling and fuel economy,
and are more likely to fail from being over-
heated.
Do not overinflate tires. Overinflated tires
can adversely affect handling and ride
comfort, wear unevenly, increase stopping
distance, and result in sudden deflation
(blowout) because they are more likely to
become punctured or damaged by road
debris, potholes etc.

388 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
tPHONE OFFThis display appears if buttons
ort on the multifunction steer-
ing wheel is pressed and the vehicle
is not equipped with a telephone*.
MTrunk Partition
OpenYou are trying to open or close the
retractable hardtop even though
the luggage cover in the trunk is not
closed and/or properly engaged.Close the luggage cover (page 241).
WTop Up
Washer FluidThe fluid level in the windshield
washer fluid reservoir has dropped
below its minimum mark.Add washer fluid (page 301).

389 Practical hints
Where will I find...?
Where will I find...?
First aid kit
The first aid kit is stored in a parcel net
behind the driver’s seat.Vehicle tool kit, vehicle jack
The vehicle tool kit is stored in a storage
compartment under the trunk floor.
The following is included:

Collapsible wheel chock

Vehicle jack

Protective wrap (except SLK 55 AMG
with Performance Package)

Alignment bolt

Towing eye bolt

Wheel wrench

Valve extractor

Electric air pump

TIREFIT kit (SLK 55 AMG with
Performance Package only)Removing the vehicle tool kit
Vehicles with spare wheel
Open the trunk (page 99).
Lift up trunk floor.
Remove the spare wheel (page 392).
You can now access the vehicle tool
kit.
iCheck expiration dates and contents for
completeness at least once a year and replace
missing/expired items.