tow MERCEDES-BENZ SLK-Class 2013 R172 Repair Manual

Installing/removing the towing eye
Installing the towing eye G
WARNING
The exhaust tail pipe may be hot .You could
burn yourself if you touch the tail pipe. Be
particularly careful when removing the rear
cover. The mountings for the removable towing eyes
are located in the bumpers. They are at the
front and at the rear, under the covers.
X Press the mark on cover 0003inwards in the
direction of the arrow.
X Take cover 0003off the opening.
X Remove the towing eye from the vehicle
tool kit (Y page 291).
X Screw the towing eye in clockwise to the
stop and tighten it.
Removing the towing eye X
Loosen the towing eye and unscrew it.
X Attach cover 0003to the bumper and press
until it engages.
X Place the towing eye in the vehicle tool kit. Towing the vehicle with the rear axle
raised
! The ignition must be switched off if you
are towing the vehicle with the rear axle
raised. Intervention by ESP ®
could
otherwise damage the brake system.
X Switch on the hazard warning lamps
(Y page 109).
X Turn the SmartKey to position 0in the
ignition lock and remove the SmartKey
from the ignition lock.
X When leaving the vehicle, take the
SmartKey or the KEYLESS-GO key with you.
When towing your vehicle with the rear axle
raised, it is important that you observe the
safety instructions (Y page 301). Towing
avehicle with both axles on
the ground G
WARNING
The power assistance for the steering and the
brake force booster do not work when the
engine is not running. You will then need
much more effort to brake and steer the
vehicle .Adapt your style of driving
accordingly.
X Switch on the hazard warning lamps
(Y page 109).
i When towing with the hazard warning
lamps switched on, use the combination
switch as usual to signal a change of
direction. In this case, only the turn signals
for the desired direction flash. When the
combination switch is reset, the hazard
warning lamps start flashing again.
X Turn the SmartKey to position 2in the
ignition lock.
X When the vehicle is stationary, depress the
brake pedal and keep it depressed.
X Vehicles with manual transmission:
depress the clutch pedal.
X Shift to neutral. 302
Towing and tow-startingBreakdown assistance

or
X
Vehicles with automatic transmission:
shift the automatic transmission to
position N.
X Release the brake pedal.
X Release the electric parking brake.
It is important that you observe the safety
instructions when towing away your vehicle
(Y page 301). Transporting the vehicle
! Only lash the vehicle down by the wheels
or wheel rims, not by parts of the vehicle
such as axle or steering components.
Otherwise, the vehicle could be damaged.
The towing eye can be used to pull the vehicle
onto a trailer or transporter for transporting
purposes.
X Vehicles with manual transmission:
shift to neutral.
X Vehicles with automatic transmission:
turn the SmartKey to position 2in the
ignition lock.
X Move the selector lever to N.
As soon as the vehicle is loaded:
X Prevent the vehicle from rolling away by
applying the electric parking brake.
X Vehicles with manual transmission:
shift to first gear or reverse gear.
X Vehicles with automatic transmission:
move the selector lever to P.
X Turn the SmartKey to position 0in the
ignition lock and remove the SmartKey
from the ignition lock.
X Secure the vehicle. Tow-starting (emergency starting)
! Vehicles with an automatic transmission
must not be tow-started. You could
otherwise damage the automatic
transmission. You can find information on "Jump-starting"
at (Y
page 299).
When tow-starting, it is important that you
observe the safety instructions (Y page 301).
X Switch on the hazard warning lamps
(Y page 109).
X Install the towing eye (Y page 302).
X Secure the rigid towing bar or the towing
rope.
X Depress and hold the brake pedal.
X Turn the SmartKey to position 2in the
ignition lock.
X Depress the clutch pedal and keep it
depressed.
X Shift to neutral.
X Release the brake pedal.
X Tow-start the vehicle.
X Shift to second gear.
X Release the clutch pedal slowly; do not
depress the accelerator pedal while doing
so.
The engine is started.
X Depress the clutch pedal and shift to
neutral.
X Stop at a suitable place.
X Apply the electric parking brake.
X Remove the rigid towing bar or towing rope.
X Remove the towing eye (Y page 302).
X Switch off the hazard warning lamps.
Before tow-starting the following conditions
must be fulfilled:
R the battery is connected.
R the engine has cooled down.
R the exhaust system has cooled down. Fuses
Important safety notes
G
WARNING
Only use fuses that have been approved for
Mercedes-Benz vehicles and that have the
correct fuse rating for the systems Fuses
303Breakdown assistance
Z

concerned. Do not attempt to repai
rorbridge
faulty fuses .Using fuses that have not been
approved or attempting to repair or bridge
faulty fuses could cause the fuse to be
overloaded and result in afire. Have the cause
traced and rectified at a qualified specialist
workshop.
! Only use fuses that have been approved
for Mercedes-Ben zvehicles and which
have the correct fuse rating for the system
concerned. Otherwise, components or
systems could be damaged.
The fuses in your vehicle serve to close down
faulty circuits. If afuse blows, all the
components on the circuit and their functions
stop operating.
Blown fuses must be replace dwith fuses of
the same rating, which you can recognize by
the color and value. The fuse ratings are listed
in the fuse allocation chart.
If a newly inserted fuse also blows, have the
cause traced and rectified at a qualified
specialist workshop, e.g. an authorized
Mercedes-Ben zCenter. Before changing a fuse
X Secure the vehicle against rolling away
(Y page 155).
X Switch off all electrical consumers.
X Turn the SmartKey to position 0in the
ignition lock and remove it (Y page 135).
or
X On vehicles with KEYLESS-GO, make sure
the ignition is switched off (Y page 136).
All indicator lamps in the instrument cluster
must be off.
The fuses are located in various fuse boxes:
R Fuse box in the engine compartment on the
left-hand side of the vehicle, when viewed
in the direction of travel
R Fuse box in the trunk The fuse allocation chart is located in the
vehicle tool kit in the stowage compartment
under the trunk floor (Y
page 291). Fuse box in the engine compartment
G
WARNING
Make sure that the windshield wipers are
switched off and that the SmartKey is
removed from the ignition lock before you
open the cover of the fuse box. Otherwise, the
windshield wipers and the wiper rods above
the cover could be set in motion .This could
lead to you or others being injured by the
wiper rods.
! Make sure that no moisture can enter the
fuse box when the cover is open.
! When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses.
X Make sure that the windshield wipers are
turned off.
X Open the hood. X
Remove any existing moisture from the
fuse box using a dry cloth.
X To open: open clamp 0003.
X Remove fuse box cover 0004forwards. 304
FusesBreakdown assistance

approved for Mercedes-Ben
zvehicles and the
respective wheel.
! To preven tdamage to th epaintwork, hold
the wheel securely against th ewheel hub
while screwing in the first wheel bolt. X
Cleant he wheel and wheel hub contact
surfaces.
X Slide the wheel to be mounted onto the
alignment bolt and push it on.
X Tighten the wheel bolts until they are
finger-tight.
X Unscrew the alignment bolt.
X Tighten the last wheel bolt until it is finger-
tight.
X Vehicles with acollapsible spare
wheel: inflate the collapsible spare wheel
(Y page 341). Only then lower the vehicle.
Lowering the vehicle G
WARNING
The wheels could work loose if the wheel nuts
and bolts are not tightene dto the specified
tightening torque. There is a risk of accident.
Have the tightening torque immediately
checked at a qualified specialist workshop
after a wheel is changed. X
Turn the crank of the jack counter-
clockwise until the vehicle is once again
standing firmly on the ground.
X Place the jack to one side.
X Tighten the wheel bolts evenly in a
crosswise pattern in the sequence
indicated (0003 to0021). The specified
tightening torque is 96 lb-ft (130 Nm).
X Turn the jack back to its initial position.
X Stow the jack and the rest of the vehicle
tools in the trunk again.
X AMG vehicles and vehicles with AMG
equipment: insert the cover into the outer
sill.
X Check the tire pressure of the newly
installed wheel and adjust it if necessary.
Observe the recommended tire pressure
(Y page 311).
i Vehicles with tire pressure loss warning
system: as long as you are driving with an
emergency spare wheel, the tire pressure
loss warning system cannot function
reliably .Only restart the tire pressure loss
warning system when the defective wheel
has been replaced with a new wheel.
i Vehicles with tire pressure monitor: all
wheels mounted must be equipped with
functioning sensors. 334
Changing
awheelWheels and tires

is found on the wheel or under "Technical
data" (
Ypage 343).
An emergency spare wheel may also be
mounted against the direction of rotation.
Observe the time restriction on use as well as
the speed limitation specified on the
emergency spare wheel.
Replace the tires after six years at the latest,
regardless of wear. This also applies to the
emergency spare wheel.
i When you are driving with the collapsible
spare wheel mounted, the tire pressure
loss warning system or the tire pressure
monitor cannot function reliably. Only
restart the tire pressure loss warning
system/the tire pressure monitor when the
damaged wheel has been replaced with a
new wheel.
Vehicles with tire pressur emonitor:
after mounting an emergency spare wheel,
the system may still display the tire
pressure of the removed wheel for a few
minutes .The value displayed for the
mounted emergency spare wheel is not the
same as the current tire pressure of the
emergency spare wheel. Removing the emergency spare wheel
Example
The collapsible spare wheel can be found in
the stowage well under the trunk floor. X
Turn retaining screw 0004counter-clockwise
and remove it.
X Remove collapsible spare wheel 0003. AMG vehicles
AMG vehicles:
the collapsible spare wheel is
packed in a bag and secured to a bracket in
the trunk.
X Loosen tensioning straps 0003on both sides.
X Unhook retaining spring hooks 0004and 0024
tensioning strap 0003from the bracket.
X Remove the bag with the collapsible spare
wheel.
X Open the bag and remove the collapsible
spare wheel.
Information on the tire-change tool kit can be
found in the "Where will Ifind...?" section
(Y page 291). Stowing the emergency spare wheel
! Only place the collapsible spare wheel in
the vehicle when it is dry. Otherwise,
moisture may get into the vehicle.
Take the following steps to stow a used
collapsible spare wheel. Otherwise, the
collapsible spare wheel will not install in the
trunk in the intended manner. Mercedes-
Ben zrecommends that you have this work
carried out at a qualified specialist workshop.
X Unscrew the valve cap from the valve.
X If possible, unscrew the valve insert from
the valve and release the air. 340
Emergency spare wheelWheels and tires

i
Fully deflating the tires can take a few
minutes.
X Screw the valve insert back into the valve.
X Screw the valve cap back on.
X Pull the protective sheet provided with the
spare wheel over the collapsible spare
wheel.
X Stow the collapsible spare wheel in the
emergency spare wheel well under the
trunk.
X Use the retaining screw to pierce the
protective sheet and fasten the collapsible
spare wheel in place.
X AMG vehicles: pull the bag over the
collapsible spare wheel and close it.
X Place the bag with the collapsible spare
wheel in the trunk.
X Hook in the retaining strap carabiners and
lash the collapsible spare wheel to the
bracket. Inflating the collapsible spare wheel
! Inflate the collapsible spare wheel using
the tire inflation compressor before
lowering the vehicle. The wheel rim could
otherwise be damaged.
! Do not operate the tire inflation
compressor for longer than ten minutes at
a time withou tabreak. It may otherwise
overheat.
The tire inflation compressor can be
operated again once it has cooled down. X
Mount the collapsible spare wheel as
described (Y page 330).
The collapsible spare wheel must be
mounted before it is inflated.
X Pull plug 0023out of the housing.
X Take the air hose out of the housing.
X Insert the yellow hose connector of the air
hose into the guide in the housing and push
it into the fixture until the hose connector
engages.
X Remove the cap from the valve on the
collapsible spare wheel.
X Screw union nut 0003on the air hose onto the
valve.
X Make sure the tire inflation compressor's
on/off switch 0021is set to OFF.
X Insert plug 0023into the socket of the
cigarette lighter or int oa12Vpower socket
in your vehicle.
Observe the notes on the cigarette lighter
(Y page 261). Observe the notes on
sockets (Y page 261).
X Turn the SmartKey to position 1in the
ignition lock (Y page 135).
X Press on/offs witch0021on the tire inflation
compressor to ON.
The tire inflatio ncompressor is switched
on. The tire is inflated. The tire pressure is
shown on pressure gauge 0024.
X Inflate the tire to the specified tire
pressure.
The specified tire pressure is printed on the
yellow label of the emergency spare wheel.
X When the specified tire pressure has been
reached, press on/offs witch0021toOFF , on
the tire inflatio ncompressor.
The tire inflation compressor is switched
off.
X Turn the SmartKey to position 0in the
ignition lock.
X If the tire pressure is higher than the
specified pressure, press pressure release
button 0004until the correc ttire pressure has
been reached. Emergency spare wheel
341Wheels and tires Z

X
Unscrew union nut 0003on the air hose from
the valve.
X Screw the valve cap onto the collapsible
spare wheel valve again. Removing an air hose
X
To remove the hose from the tire inflation
compressor, push down the rocker switch
on the hose connector and pull out the
hose.
X Stow plug 0023and the air hose in the lower
section of the blowerh ousing.
X Stow the tire inflation compressor in the
vehicle. 342
Emergency spare wheelWheels and tires