Page 385 of 474

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.
Page 386 of 474

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.
Page 387 of 474

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).
Page 388 of 474

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.
Page 389 of 474
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).
Page 390 of 474
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.
Page 391 of 474

390 Practical hints
Where will I find...?
1Collapsible wheel chock
2Vehicle jack
3Protective wrap
4Alignment bolt
5Towing eye bolt
6Wheel wrench
7Valve extractor
8Electric air pumpVehicles with TIREFIT*
1TIREFIT kit
2Vehicle jack
3Collapsible wheel chock
4Towing eye bolt
5Alignment bolt
6Wheel wrench
7Valve extractor
8Electric air pump
Open the trunk (page 99).
Lift up trunk floor.Vehicle jack
Warning!G
The jack is designed exclusively for jacking
up the vehicle at the jack take-up brackets
built into both sides of the vehicle. To help
avoid personal injury, use the jack only to lift
the vehicle during a wheel change. Never
get beneath the vehicle while it is supported
by the jack. Keep hands and feet away from
the area under the lifted vehicle. Always
firmly set parking brake and block wheels
before raising vehicle with jack.
Do not disengage parking brake while the
vehicle is raised. Be certain that the jack is
always vertical (plumb line) when in use,
especially on hills. Always try to use the jack
on level surface. Make sure the jack arm is
fully seated in the jack take-up bracket. Al-
ways lower the vehicle onto sufficient
capacity jackstands before working under
the vehicle.
Page 392 of 474
391 Practical hints
Where will I find...?
The vehicle jack is located in the storage
compartment underneath the trunk floor.
Storage position
Remove vehicle jack from its
compartment.
Turn crank handle in the direction of
arrow as far as it will go.
Operational position
Turn crank handle clockwise.
Before storing the vehicle jack in its
compartment:
It should be fully collapsed.
The handle must be folded in (storage
position).Setting up the collapsible wheel chock
The collapsible wheel chock serves to
additionally secure the vehicle, e.g. while
changing the wheel.
1Tilt the plate upward
2Fold the lower plate outward
3Insert the plate