MERCEDES-BENZ SLK-Class 2016 R172 Owner's Manual

Engine
ProblemPossible causes/consequences andMSolutions
;
The yellow Check
Engine warning lamp
lights up while the
engine is running.There may be a malfunction, for example:
Rin the engine management
Rin the fuel injection system
Rin the exhaust system
Rin the ignition system
Rin the fuel system
The emission limit values may be exceeded and the engine may be
in emergency mode.
XHave the vehicle checked as soon as possible at a qualified
specialist workshop.
iIn some states, you must immediately visit a qualified special-
ist workshop as soon as the yellow Check Engine warning lamp
lights up. This depends on the locally applicable legal require-
ments. If in doubt, check whether such legal regulations apply in
the state in which you are currently driving.
8
The yellow reserve fuel
warning lamp lights up
while the engine is run-
ning.The fuel level has dropped into the reserve range.
XRefuel at the nearest gas station.
8
The yellow reserve fuel
warning lamp flashes
while the vehicle is in
motion.
In addition, the ;
Check Engine warning
lamp may light up.The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
XCheck that the fuel filler cap is correctly closed.
XIf the fuel filler cap is not correctly closed: close the fuel filler
cap.
XIf the fuel filler cap is closed: visit a qualified specialist work-
shop.
?
The red coolant warn-
ing lamp lights up while
the engine is running
and the coolant tem-
perature gage is at the
start of the scale.The temperature sensor for the coolant temperature gage is defec-
tive.
The coolant temperature is no longer being monitored. There is a
risk of engine damage if the coolant temperature is too high.
XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions. Do not continue
driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 160).
XConsult a qualified specialist workshop.
Warning and indicator lamps249
On-board computer and displays
Z

ProblemPossible causes/consequences andMSolutions
?
The red coolant warn-
ing lamp comes on
while the engine is run-
ning.The coolant level is too low.
If the coolant level is correct, the airflow to the engine radiator may
be blocked or the electric engine radiator fan may be malfunc-
tioning.
The coolant is too hot and the engine is no longer being cooled
sufficiently.
XObserve the additional display messages in the multifunction
display.
XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 160).
XLeave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
XCheck the coolant level and add coolant, observing the warning
notes (
Ypage 279).
XIf you have to add coolant frequently, have the engine cooling
system checked.
XMake sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
XDo not start the engine again until the coolant temperature is
below 248‡(120 †). Otherwise, the engine could be damaged.
XDrive to the nearest qualified specialist workshop.
XAvoid subjecting the engine to heavy loads, e.g. driving in moun-
tainous terrain, and stop-and-go traffic.
?
The red coolant warn-
ing lamp comes on
while the engine is run-
ning. A warning tone
also sounds.The coolant temperature has exceeded 248 ‡ (120 †). The air-
flow to the engine radiator may be blocked or the coolant level may
be too low.
GWARNING
The engine is not being cooled sufficiently and may be damaged.
Do not drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to
catch fire.
Steam from the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
XObserve the additional display messages in the multifunction
display.
XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 160).
250Warning and indicator lamps
On-board computer and displays

ProblemPossible causes/consequences andMSolutions
XLeave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
XCheck the coolant level and add coolant, observing the warning
notes (
Ypage 279).
XIf you have to add coolant frequently, have the engine cooling
system checked.
XMake sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
XAt coolant temperatures below 248 ‡ (120 †), drive to the
nearest qualified specialist workshop.
XAvoid subjecting the engine to heavy loads, e.g. driving in moun-
tainous terrain, and stop-and-go traffic.
Driving systems
ProblemPossible causes/consequences and MSolutions
·
The red distance warn-
ing lamp lights up while
the vehicle is in motion.
A warning tone also
sounds.You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.
XBe prepared to brake immediately.
XPay careful attention to the traffic situation. You may have to
brake or take evasive action.
Observe the additional information on DISTRONIC PLUS
(
Ypage 170).
Observe the additional information on COLLISION PREVENTION
ASSIST PLUS (
Ypage 203).
Warning and indicator lamps251
On-board computer and displays
Z

Tires
ProblemPossible causes/consequences andMSolutions
h
The yellow combination
low tire pressure tell-
tale/TPMS malfunction
telltale for the TPMS
(pressure loss or mal-
function) is lit.The tire pressure monitor has detected a loss of pressure in at
least one of the tires.
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 160).
XObserve the additional display messages in the multifunction
display.
XCheck the tires and, if necessary, follow the instructions for a
flat tire (
Ypage 291).
XCheck the tire pressure (Ypage 316).
XIf necessary, correct the tire pressure.
h
The yellow combination
low tire pressure tell-
tale/TPMS malfunctiontelltale for the TPMS
(pressure loss or mal-
function) flashes for
approximately one
minute and then
remains lit.The tire pressure monitor is faulty.
GWARNING
The system is possibly unable to recognize or register low tire
pressure.
There is a risk of an accident.
XObserve the additional display messages in the multifunction
display.
XVisit a qualified specialist workshop.
252Warning and indicator lamps
On-board computer and displays

Useful information............................254
Stowage areas ................................... 254
Features ............................................. 256
253
Stowage and features

Useful information
i
This Operator's Manual describes all
models and all standard and optional equip-
ment 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.
iRead the information on qualified special-
ist workshops (
Ypage 25).
Stowage areas
Stowage spaces
Important safety notes
GWARNING
If you do not correctly store objects in the
vehicle interior, they can slip or be flung
around, thus striking vehicle occupants.
There is a risk of injury, especially when brak- ing or abruptly changing directions.
RAlways store objects so that they cannot be
flung around in these or in similar situa-
tions.
RAlways make sure that objects do not pro-
trude from stowage compartments, parcel
nets or stowage nets.
RClose lockable stowage compartments
while driving.
RStow and secure objects that are heavy,
hard, pointy, sharp-edged, fragile or too
large in the trunk.
Glove box
XTo open: pull handle :and open glove box
flap ;.
XTo close: fold glove box flap ;upwards
until it engages.
The glove box flap contains brackets for
coins, pens, and credit and service cards.
The glove box can be locked and unlocked
using the mechanical key.
XTo lock: insert the mechanical key into the
lock and turn it to position 2.
XTo unlock:insert the mechanical key into
the lock and turn it to position 1.
254Stowage areas
Stowage and features

Stowage compartment/telephone
compartment under the armrest
XTo open:push button :up and raise arm-
rest ;.
The stowage compartment can be locked and
unlocked centrally using the SmartKey
(
Ypage 72).
iDepending on the vehicle equipment, a
12 V power socket, USB port or a Media
Interface is installed in the stowage com-
partment. A Media Interface is a universal
interface for mobile audio equipment, e.g.
for an iPod
®or MP3 player (see the sepa-
rate COMAND Operating Instructions).
Eyeglasses compartment
XTo open: press marking :.
Make sure that the eyeglasses compartment
is always closed while the vehicle is in motion.
Stowage compartment in the center
console
XTo open: briefly press the lower section of
cover :.
XTo remove the insert: pull the left-hand
side of the insert up and out.
XTo install the insert: press the insert into
the housing.
Depending on the vehicle equipment, there
may be an ashtray in the center console
instead of a storage compartment.
Stowage compartment in the doors
In the door trim, there is a ruffled pocket ;
with storage slot :.
Stowage box in the rear wall between
the seats
A ruffled pocket is located on the rear wall
between the seats.
Stowage areas255
Stowage and features
Z

:Ruffled pocket
Stowage net
Stowage nets are locate din th efront-
passenger footwell and on th erear wall
behind th edriver's seat .
Reversible floor panel in th etrunk
Using th eflat side of th ereversible floor panel
will giv eyou alevel trunk .If you tur nth e
reversible floor panel over, you can transpor t
objects ,for exampl e adrink scrate ,on it .
XTo turn over :pull up reversible floor
panel ;usin gstrap :.
XTurn ove rreversible floor panel ;and re-
inser tit.
Attached to th ereversible floor panel are tw o
flexible straps ;that you can use to secure
objects ,for exampl ewin dscree n=, when
reversible floor panel :has been turne d
over.
Roof carrier
!
This vehicl eis no tdesigned to transpor t
items on th eroof. Roof carriers and other
device swhic hare mounte don th eroo fthat
hav eno tbeen specifically approve dfor this
model by Mercedes-Ben zmus tno tbe used
as they could damag eth evehicl eand th e
retractable hardtop (vario-roof).
At th etime of goin gto print ,Mercedes -
Benz does no toffer any roo fcarrie ror other
roof-installed device sfor this model.
!This vehicl eis no tdesigned to transpor t
any items on th etrunk lid or to allow lug-
gage carriers or equipmen tof any kind to
be installed to th etrunk lid. Otherwise th e
vehicl eand th eretractable hardtop could
be damaged.
Features
Cup holder
Important safety notes
GWARNIN G
If you do no tcorrectl ystore objects in th e
vehicl einterior, they can slip or be flun g
around ,thus strikin gvehicl eoccupants.
256Features
Stowage and features

There is a risk of injury, especially when brak-ing or abruptly changing directions.
RAlways store objects so that they cannot be
flung around in these or in similar situa-
tions.
RAlways make sure that objects do not pro-
trude from stowage compartments, parcel
nets or stowage nets.
RClose lockable stowage compartments
while driving.
RStow and secure objects that are heavy,
hard, pointy, sharp-edged, fragile or too
large in the trunk.
!Only use the cup holders for containers of
the right size and which have lids. The
drinks could otherwise spill.
!Do not expose drinks bottles in the cup
holder in the center console to continuous, strong and direct sunlight. The passenger
compartment in the area of the center con-
sole can otherwise be damaged by the con-
centrated and reflected sunlight.
Cup holder in the center console
XTo open: slide cover ;back.
XTo remove the insert: slide catch:
inwards on both sides in the direction of the arrow.
XRemove the cup holder insert upwards.
XTo re-install the insert: place the insert in
the stowage space.
XSlide catch :outwards in the direction of
the arrow until it engages. You can remove the cup holder insert for
cleaning. Clean with clear, lukewarm water
only.
Bottle holder
Observe the "Important safety notes" in the
"Stowage compartments" section
(
Ypage 254).
!Make sure that any bottles weighing more
than 1.1 lb(0.5 kg) that are stored in the
bottle holder, rest on the vehicle floor. The
bottle holder could otherwise be damaged.
XPress the outer edge of button :and slide
in the direction of the arrow until the bottle
fits into the opening.
XInsert the bottle into the bottle holder.
The bottle holder is suitable for bottles with a
capacity of 25 fl. oz. (0.7 l) to 54 fl. oz. (1.5 l).
The bottle holder does not secure the bottles;
it merely prevents them from tipping over.
Sun visors
Overview
GWARNING
If the mirror cover of the vanity mirror is folded
up when the vehicle is in motion, you could be
blinded by incident light. There is a risk of an
accident.
Always keep the mirror cover folded down
while driving.
Features257
Stowage and features
Z

:Mirror light
;Bracket
=Retaining strip, e.g. for a parking lot ticket
?Vanity mirror
AMirror cover
iWhen driving at high speeds with the side
window or roof open:
If you have inserted a car park ticket into
retaining strip =, make sure that it is not
blown away by the wind.
Vanity mirror in the sun visor
Mirror light :only functions if the sun visor
is clipped into bracket ;and mirror cover A
has been folded up.
Glare from the side
XFold down the sun visor.
XPull the sun visor out of retainer ;.
XSwing the sun visor to the side.
XSlide the sun visor horizontally as desired.
Ashtray
XTo open:push the lower section of
cover :.
The cover opens.
XTo remove the insert: lift insert=up;
and out.
XTo re-install the insert: press insert=
into the holder until it engages.
Cigarette lighter
GWARNING
You can burn yourself if you touch the hot
heating element or the socket of the cigarette lighter.
In addition, flammable materials can ignite if:
Rthe hot cigarette lighter falls
Ra child holds the hot cigarette lighter to
objects, for example
There is a risk of fire and injury.
Always hold the cigarette lighter by the knob.
Always make sure that the cigarette lighter is
out of reach of children. Never leave children
unsupervised in the vehicle.
258Features
Stowage and features