Page 320 of 434
319 Practical hints
What to do if …
Left display
Right display
Possible cause
Possible solution
H
Tire pressure, RR
Caution
tire defect!
The right rear tire is deflating.
Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
Change the wheel (
page 350).
Tire pressure, RR
Check tires!
The right rear tire pressure is low.
Carefully bring the vehicle to a halt.
Check the tire pressure.
Change the wheel (
page 350).
Tire pressure, FL
Caution
tire defect!
The left front tire is deflating.
Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
Change the wheel (
page 350).
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.
Page 321 of 434
320 Practical hintsWhat to do if …Left display
Right display
Possible cause
Possible solution
H
Tire pressure, FL
Check tires!
The left front tire pressure is low.
Carefully bring the vehicle to a halt.
Check the tire pressure.
Change the wheel (
page 350).
Tire pressure, FR
Caution
tire defect!
The right front tire is deflating.
Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
Change the wheel (
page 350).
Tire pressure, FR
Check tires!
The right front tire pressure is low.
Carefully bring the vehicle to a halt.
Change the wheel (
page 350).
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.
Page 322 of 434

321 Practical hints
What to do if …
Left display
Right display
Possible cause
Possible solution
H
Reactivate
tire press. monit
.
The tire inflation pressure monitor*
is deactivated.
Activate the tire inflation pressure monitor*
(page 266).
Tire press.
monitor
currently
inactive
The tire inflation pressure monitor*
is temporarily unable to monitor the
tire pressure due to:
the presence of several wheel
sensors in the vehicle
excessive wheel sensor temper-
atures
a nearby radio interference
source
unrecognized wheel sensors
mounted
Remove any additional wheel sensors from
the vehicle, e.g. when transporting a new set
of tires.
As soon as the causes of the malfunction have
been removed, the tire pressure monitor auto-
matically becomes active again.
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.
Page 324 of 434

323 Practical hints
Where will I find ...?
Where will I find ...?
First aid kit
The first aid kit is located in storage com-
partment under the passenger seat.
1Handle
2Lid
Pull handle 1 up.
Fold lid 2 down.
You can now remove the first-aid kit.
Vehicle tool kit, jack, and spare wheel
The vehicle tool kit, jack, and spare wheel
are stored in the space underneath the
trunk floor.
Lift up the trunk floor cover.
You can now remove the tools and ac-
cessories.
The vehicle tool kit includes
One pair of universal pliers
Two open-end wrenches
One hex-socket wrench
One interchangeable slot/Phillips
screwdriver
One towing eye bolt
One alignment bolt
One fuse extractor
One fuse chart for the main fuse
box
Spare fuses
The jack is exclusively designed for lifting
the vehicle during a wheel change. Always
lower the vehicle on sufficient capacity
jack stands before working under the vehi-
cle.
iCheck expiration dates and contents
for completeness at least once a year
and replace missing/expired items.
Page 325 of 434
324 Practical hintsWhere will I find ...?Vehicles with spare wheel
1Spare wheel
2Electric air pump
3Vehicle tool kit
4Battery for electrical consumers5Jack (under spare wheel)
6Wheel wrench (under spare wheel)Vehicles with TIREFIT kit
1TIREFIT kit
2Electric air pump
3Vehicle tool kit
4Battery for electrical consumers
5Wheel wrench
6Jack
Page 340 of 434

339 Practical hints
Flat tire
Flat tire
Your SL 55 AMG may be equipped with a
TIREFIT kit.
You can identify which TIREFIT kit
(SL 55 AMG only) you have as follows:
The TIREFIT container of kit 1 is a
squeeze container.
For information on sealing a damaged
tire with TIREFIT kit 1, see
(page 340).
The TIREFIT container of kit 2 is a rigid
container.
For information on sealing a damaged
tire with TIREFIT kit 2, see
(page 345).
Preparing the vehicle
Park the vehicle as far as possible from
moving traffic on a hard surface.
Turn on the hazard warning flashers.
Turn the steering wheel so that the
front wheels are in a straight ahead po-
sition.
Set the parking brake.
Move the gear selector lever to P.
Vehicles with SmartKey :
Turn off the engine (
page 53).
Remove the SmartKey from the starter
switch.Vehicles with SmartKey with
KEYLESS-GO*:
Turn off the engine by pressing the
KEYLESS-GO* button on the gear se-
lector lever once (
page 54).
Open the driver’s door (this puts the
starter switch in position 0, 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. iOpen door only when conditions are
safe to do so.
Page 341 of 434

340 Practical hintsFlat tireSealing tires with TIREFIT kit 1
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).The TIREFIT kit stored in the trunk contains
the TIREFIT container, a filler hose, a valve
stem tool, a valve, and a sticker.
Foreign objects (e.g. screws or nails)
should not be removed from the tire.
Attach the sticker where it will be easily
seen by the driver on the instrument
cluster.
1Filler hose
2TIREFIT container
Warning!
G
Keep TIREFIT away from sparks, open flame
or heat source.
Do not smoke.
Warning!
G
TIREFIT is a limited repair device. TIREFIT
cannot be used for cuts or punctures larger
than approx. 0.16 in (4 mm) and tire dam-
age caused by driving with extremely low
tire pressure, or on a flat tire, or a damaged
wheel.
Do not drive the vehicle under such circum-
stances.
Contact your nearest Mercedes-Benz
Center for assistance or call Roadside
Assistance.
Page 347 of 434

346 Practical hintsFlat tire
Foreign objects (e.g. screws or nails)
should not be removed from the tire.
Take TIREFIT, the sticker, and the elec-
tric air pump out of the trunk.
Attach the sticker where it will be easily
seen by the driver on the instrument
cluster.1TIREFIT container
2Flap
3Notch
4Electrical plug
5Air hose
6Flange
Open flap2 on the electric air pump.
Pull plug4 and air hose5 out of the
pump housing.
Warning!
G
TIREFIT is a limited repair device. TIREFIT
cannot be used for cuts or punctures larger
than approx. 0.16 in (4 mm) and tire dam-
age caused by driving with extremely low
tire pressure, or on a flat tire, or a damaged
wheel.
Do not drive the vehicle under such circum-
stances.
Contact your nearest Mercedes-Benz
Center for assistance or call Roadside
Assistance.
Warning!
G
Take care not to allow the contents of
TIREFIT to come in contact with hair, eyes or
clothing. TIREFIT is harmful if inhaled, swal-
lowed or absorbed through the skin - causes
skin, eye and respiratory irritation.
Any contact with eyes or skin should be
flushed immediately with plenty of water.
If clothing comes in contact with TIREFIT,
change clothing as soon as possible.
In case of allergic reaction or rash, consult a
physician immediately.Warning!
G
Keep TIREFIT out of reach of children.
If swallowed, rinse mouth immediately with
plenty of water and drink plenty of water.
Do not induce vomiting!
Consult a physician immediately.
Keep away from open flame or heat source.
iIf sealant has leaked out, let it dry. You
can then peel it off.