MERCEDES-BENZ SLK250 2012 R172 Owner's Manual

shampoo. Cleaning cloths may be used as
well.
Cleaning the sensors X
Cleans ensors0002of the driving systems
with water, car shampoo and a soft cloth.
! If you clean the sensor swith a power
washer, make sure that you keep a
distance of at least 11. 8in(30 cm) between
the vehicle and the power washer nozzle.
Information about the correct distance is
available from the equipment
manufacturer.
Cleaning the exhaus tpipes Impurities combined with the effects of road
grit and corrosive environmental factors may
cause flash rust to form on the surface. You
can restore the original shine of the exhaust
tail pipe by cleaning it regularly, especially in
winter and after washing.
! Do not clean the exhaust tail pipes with
alkaline-based cleaning agents, such as
wheel cleaner.
X Clean the exhaust tail pipes with a chrome
care produc ttested and approved by
Mercedes-Benz. Interior care
Cleaning the display X
Before cleaning the display, make sure that
it is switched off and has cooled down.
X Clean the display surface using a
commercially-available microfiber cloth
and TFT/LCD display cleaner.
X Dry the display surface using a dry
microfiber cloth.
! For cleaning, do not use any of the
following:
R alcohol-based thinner or gasoline
R abrasive cleaning agents
R commercially-available household
cleaning agents
These may damage the display surface. Do
not put pressure on the display surface
when cleaning. This could lead to
irreparable damage to the display.
Cleaning the plastic trim G
WARNING
When cleaning the steering wheel boss and
dashboard, do not use cockpit sprays or
cleaning agents containing solvents. Cleaning
agents containing solvents cause the surface
to become porous, and as aresult, plastic
parts may break away and be thrown around
the interior when an air bag is deployed, which
may result in severe injuries.
! Do not affix the following to plastic
surfaces:
R stickers
R films
R scented oil bottles or similar items
You can otherwise damage the plastic.
! Do not allow cosmetics, insect repellent
or sunscreen to come into contact with the
plastic trim .This maintains the high-quality
look of the surfaces. Care
269Maintenance and care Z

X
Wipe the plastic trim with a damp, lint-free
cloth, e.g. a microfiber cloth.
X Heavy soiling: use car care and cleaning
products recommended and approved by
Mercedes-Benz.
The surface may change color temporarily.
Wait until the surface is dry again.
Cleaning the steering wheel and gear or
selector lever X
Thoroughly wipe with a damp cloth or use
leather care agents that have been
recommended and approved by Mercedes-
Benz.
Cleaning genuine wood and trim
elements X
Wipe the wooden trim and trim pieces with
a damp, lint-free cloth ,e.g. a microfiber
cloth.
X Heavy soiling: use car care and cleaning
products recommended and approved by
Mercedes-Benz.
! Do not use solvent-based cleaning agents
such as tar remover, whee lcleaners,
polishes or waxes. There is otherwise a risk
of damaging the surface.
! Do not use chrome polish on trim pieces.
The trim pieces have a chrome look but are
mostly made of anodized aluminum and
can lose their shine if chrome polish is
used. Use a damp, lint-free cloth instead
when cleaning the trim pieces.
If the chrome-plated trim pieces are very
dirty, you can use a chrome polish. If you
are unsure as to whether the trim pieces
are chrome-plated or not, consult an
authorized Mercedes-Ben zCenter.
Cleaning the seat covers !
Do not use microfiber cloths to clean
genuine leather, artificial leather or
Alcantara® covers. If used often, these can
damage the cover. !
Observe the following when cleaning:
R clean genuine leather cover scarefully
with a damp cloth and then wipe the
covers down with a dry cloth .Make sure
that the leather does no tbecome
soaked. It may otherwise become rough
and cracked. Only use leather care
agents that have been tested and
approved by Mercedes-Benz. You can
obtain these from a qualified specialist
workshop.
R clean artificial leather covers with a cloth
moistened with a solution containing 1%
detergen t(e.g. dish washing liquid).
R clean cloth covers with a microfiber cloth
moistened with a solution containing 1%
detergen t(e.g. dish washing liquid). Rub
carefully and always wipe entire seat
sections to avoid leaving visible lines.
Leave the seat to dry afterwards.
Cleaning results depend on the type of
dirt and how long it has been there.
R clean Alcantara® covers with a damp
cloth. Make sure that you wipe entire
seat sections to avoid leaving visible
lines.
i Note that regular care is essential to
ensure that the appearance and comfort of
the covers is retained over time.
Cleaning the seat belts X
Use clean, lukewarm water and soap
solution.
! Do not clean the seat belts using chemical
cleaning agents .Do not dry the seat belts
by heating at temperatures above 176 ‡
(80 †) or in direct sunlight. G
WARNING
Do not bleach or dye seat belts as this may
severely weaken them. In a crash, they may
not be able to provide adequate protection. 270
CareMaintenance and care

Cleaning the headliner and carpets
X
Headliner: use a softbrush or a cleaning
agent recommended and approved by
Mercedes-Benz to remove heavy soiling.
X Carpets: use the carpet and textile
cleaning agents recommended and
approved by Mercedes-Benz. Care
271Maintenance and care Z

272

Useful information
............................274
Where will I find...? ...........................274
Flat tire .............................................. 275
Battery ............................................... 282
Jump-starting .................................... 285
Towing and tow-starting ..................287
Fuses .................................................. 289 273Breakdown assistance

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Please read the information on qualified
specialist workshops (Y page 23).Where will I find...?
First-aid kit
X Open the trun klid. X
Lift the trunk floor up.
X Remove first-aid kit 0002.
i Check the expiration date on the first-aid
kit at least once a year. Replace the
contents if necessary, and replace missing
items. Vehicle tool kit
The vehicle tool kit can be found in the
stowage well under the trunk floor.
X Vehicles with a TIREFIT kit: lift the trunk
floor up. X
Lift the trunk floor up.
X Remove the collapsible spare wheel
(Y page 274).
X AMG vehicles: loosen the central screw of
the bracket counter-clockwise and remove
it together with the bracket. 0002
Folding wheel chock
0003 Fuse allocation chart
0023 Jack
0022 Shee tfor faulty wheel
0020 Alignmen tbolt
0021 Lug wrench
0014 Towing eye
0015 Valve extractor
0016 Tire inflation compressor Collapsible spare wheel
Removing the collapsible sparew heel The collapsible spare wheel can be found in
the stowage well unde
rthe trunk floor.
AMG vehicles: the collapsible spare wheel is
packed in a bag and secured to a bracket in
the trunk. 274
Where will I find...?Breakdown assistance

Example
X
Turn retaining screw 0003counter-clockwise
and remove it.
X Remove collapsible spare wheel 0002.AMG vehicles
X
AM Gvehicles: loosentensioning
straps 0002on both sides.
X Unhook retaining spring hooks 0003and 0023
tensioning strap 0002from the bracket.
X Remove the bag with the collapsible spare
wheel.
X Open the bag and remove the collapsible
spare wheel.
For further information on changing a wheel
and mounting the spare wheel, see
(Y page 275).
Stowing aused collapsible spare wheel Take the following steps to stow a used
collapsible spare wheel. Otherwise, the
collapsible spare wheel will not fit in the trunk
in the intended manner. Mercedes-Benz recommends that you have this work carried
out at a qualified specialist workshop.
!
Only place the collapsible spare wheel in
the vehicle when it is dry. Otherwise,
moisture may get into the vehicle.
X Unscrew the valve cap from the valve.
X If possible, unscrew the valve insert from
the valve and release the air.
i Fully deflating the tire 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. Flat tire
Preparing the vehicle
Your vehicle may be equipped with a
collapsible spare wheel or MOExtended tires
(tires with run-flat properties) (Y page 281).
i Vehicle preparation is not necessary on
vehicles with MOExtended tires.
X Stop the vehicle on solid, non-slippery and
level ground, as far away as possible from
traffic.
X Switch on the hazard warning lamps. Flat tire
275Breakdown assistance

X
Apply the electri cparking brake manually
(Y page 150).
X Bring the fron twheels into the straight-
ahead position.
X Move the selector lever to position P.
X Switch off the engine.
X Vehicles without KEYLESS-GO: remove
the SmartKey from the ignition lock.
X Vehicles with KEYLESS-GO: open the
driver's door.
The on-board electronics have status 0,
which is the same as the SmartKey having
been removed.
X Vehicles with KEYLESS-GO: remove the
Start/Stop button from the ignition lock
(Y page 131).
X All occupants must get out of the vehicle.
Make sure that they are not endangered as
they do so.
X Make sure that no one is near the danger
area while a wheel is being changed.
Anyone who is not directly assisting in the
wheel change should, for example, stand
behind the barrier.
X Get out of the vehicle. Pay attention to
traffic conditions when doing so.
X Close the driver's door. Changing
awheel and mounting the
spare wheel
Preparing the vehicle When using a different size spare wheel or
emergency spare wheel, do not exceed the
maximum road speed of 50 mph (80 km/h)
G
WARNING
The wheel or tire size as well as the tire type
of the spare wheel or emergency spare wheel
and the wheel to be replaced may differ.
Mounting an emergency spare wheel may
severely impair the driving characteristics.
There is a risk of an accident. To avoid hazardous situations:
R
adapt you rdriving style accordingly and
drive carefully.
R never install more than one spare wheel or
emergency spare wheel that differs in size.
R only use a spare wheel or emergency spare
wheel of a different size briefly.
R do not switch ESP ®
off.
R have a spare wheel or emergency spare
wheel of a different size replaced at the
nearest qualified specialist workshop.
Observe that the wheel and tire dimensions
as well as the tire type must be correct.
i Vehicles withou taspare wheel or
emergency spare wheel are not equipped
with a tire-change tool kit at the factory. For
more information on which tools are
required to perform a wheel change on your
vehicle, e.g. wheel chock, lug wrench or
alignment bolt, consult an authorized
Mercedes-Benz Center.
X Prepare the vehicle as described
(Y page 275).
X Remove the following items (depending on
the vehicle's equipment) from the stowage
well under the trunk floor:
R
emergency spare wheel
R lug wrench
R folding wheel chock
R jack
R alignment bolt
R tire inflation compressor
X Secure the vehicle to prevent it from rolling
away.
Securing the vehicle to prevent it from
rolling away If your vehicle is equipped with a wheel chock,
it can be found in the vehicle tool kit
(Y
page 274).
The folding wheel chock is an additional
securing measure to prevent the vehicle from 276
Flat tireBreakdown assistance

rolling away, for example when changing a
wheel.
X
Fold both plates upwards 0002.
X Fold out lower plate 0003.
X Guide the lugs on the lower plate fully into
the openings in base plate 0023.Securing the vehicle on level ground
X
On level ground: place chocks or other
suitable items under the front and rear of
the wheel that is diagonally opposite the
wheel you wish to change. Securing the vehicle on slight downhill gradients X
On downhill gradients: place chocks or
other suitable items in front of the wheels
of the front and rear axle.
Raising the vehicle G
WARNING
If you do not position the jack correctly at the
appropriate jacking point of the vehicle, the
jack could tip over with the vehicle raised.
There is a risk of injury.
Only position the jack at the appropriate
jacking point of the vehicle. The base of the
jack must be positioned vertically, directly
under the jacking point of the vehicle.
The following must be observed when raising
the vehicle:
R to raise the vehicle, only use the vehicle-
specific jack that has been tested and
approved by Mercedes-Benz. If used
incorrectly, the jack could tip over with the
vehicle raised.
R the jack is designed only to raise and hold
the vehicle for a short time while a wheel
is being changed .Itis not suited for
performing maintenance work under the
vehicle.
R avoid changing the wheel on uphill and
downhill slopes.
R before raising the vehicle, secure it from
rolling away by applying the parking brake
and inserting wheel chocks. Never
disengage the parking brake while the
vehicle is raised.
R the jack must be placed on a firm, flat and
non-slip surface. On a loose surface, a
large, load-bearing underlay must be used.
On a slippery surface, a non-slip underlay
must be used, e.g. rubber mats.
R do not use wooden blocks or similar
objects as a jack underlay.O therwise, the
jac kw ill not be able to achieve its load-
bearing capacity due to the restricted
height. Flat tire
277Breakdown assistance Z

R
The maximum clearance between the
underside of the tire and the ground must
be 1.2 in (3 cm).
R never place your hands and feet under the
raised vehicle.
R never lie under the raised vehicle.
R never start the engine when the vehicle is
raised.
R never open or close a door or the trunk lid
when the vehicle is raised.
R make sure that no persons are present in
the vehicle when the vehicle is raised. X
Using lug wrench 0002, loosen the bolts on
the wheel you wish to change by about one
full turn. Do not unscrew the bolts
completely.
The jacking points are located just behind the
wheel housings of the frontw heels and just
in front of the wheel housings of the rear
wheels (arrows). AMG vehicles and vehicles with AMG
equipment:
to protect the vehicle body, the
vehicle has covers next to the jacking points
on the outer sills. Covers, front (example: vehicles with AMG
equipment)
X
Vehicles with AMG equipment: fold
cover 0003upwards.
! The jack is designed exclusively for
jacking up the vehicle at the jacking points.
Otherwise, your vehicle could be damaged. X
Position jack 0022at jacking point 0023.278
Flat tireBreakdown assistance