2017 MERCEDES-BENZ SLC key

see also Digital Operator's Man-
ual .................................................. 211
Selecting ....................................... .1 69
Searc h&S end
see also Digita lO perator's Man-
ua l. ................................................ .2 11
Seat belts
Adjusting the driver's and front-
passenger sea tb el t. ........................ 41
Correct usag e. ................................. 40
Fastening ......................................... 40
Important safety guideline s. ............ 39
Introduction ..................................... 38
Releasing ......................................... 41
Switching belt adjustment on/off
(on-board computer) ...................... 174
Warning lamp ................................. 203
Warning lamp (function) ................... 41
Seats
Adjusting (electrically) ..................... 84
Adjusting (manually) ........................ 84
Adjusting the 4-wa yl um ba rs up -
por t. ................................................. 84
Adjusting the hea dr estraint ............ 84
Correct driver' ss ea tp osition ........... 82
Important safety notes .................... 82
Overview .......................................... 82
Sea th eating problem ...................... 85
Storing settings (memory func-
tion) ................................................. 91
Switching AIRSCAR Fo n/of f. ........... 85
Switching sea th eating on/of f. ........ 85
Selecto rl ever
Positions ........................................ 122
Sensors (cleaning instructions) ....... 240
Servic em en u( on -board com-
puter) .................................................. 172
Servic em essage
see ASSYST PLUS
Servic ep roducts
Brake fluid ..................................... 287
Coolant (engine) ............................ 287
Engine oi l. ...................................... 286
Fue l. ............................................... 285
Important safety notes .................. 284
Refrigerant (air-conditioning sys-
tem) ............................................... 288
Washe rf luid ................................... 288 Setting the air distribution ............... 109
Setting the airflow ............................ 109
Setting the date/time format
see also Digital Operator's Man-
ua l. ................................................. 211
Setting the language
see al so Di gital Operator's Man-
u a l. ................................................. 211
Setting the time
see also Digital Operator's Man-
ua l. ................................................. 211
Settings
Factory (on-board computer) ......... 175
On-board compute r. ...................... 172
SETUP (on-board computer) ............. 175
Side impac ta ir bag ............................. 43
Side marker lamp
Changing bulb s( rear) ....................... 99
Side marker lamp (display mes-
sage) ................................................... 189
Side windows
Cleaning ......................................... 239
Convenience closing feature ............ 74
Important safety information ........... 72
Opening/closing (all ). ...................... 73
Opening/closing (front) ................... 73
Overview .......................................... 72
Problem (malfunction) ..................... 75
Resetting ......................................... 74
Reversing feature ............................. 72
SIRIU Ss er vices
see also Digital Operator's Man-
ua l. ................................................. 211
SmartKey
Changing the battery ....................... 66
Changing the programming ............. 64
Checking the battery ....................... 66
Displa ym essage ............................ 201
Door centra ll oc king/unlocking ....... 63
Important safety notes .................... 63
Los s. ................................................ 67
Mechanical key ................................ 65
Opening/closing the roo f. ............... 77
Overview .......................................... 63
Positions (ignition lock) ................. 115
Problem (malfunction) ..................... 67
Starting the engine ........................ 117 Index 15

Electronics .................................... .2 82
Equipment ....................................... 23
Individua ls ettings .......................... 172
Limited Warranty ............................ .2 7
Loading .......................................... 265
Locking (in an emergency) ............... 70
Locking (SmartKey) .......................... 63
Lowering ........................................ 278
Maintenance .................................... 24
Parking for al ong perio d. ............... 133
Pulling awa y. .................................. 117
Raising ........................................... 275
Reporting problems ......................... 26
Securing from rolling away ............ 275
Tow-starting ................................... 251
Towing away .................................. 251
Transporting .................................. 253
Unlocking (i nane mergency) ........... 70
Unlocking (SmartKey ). ..................... 63
Vehicl ed at a. .................................. 289
Vehicl eb attery
see Battery (vehicle)
Vehicl ed ata ....................................... 289
Vehicl ed imensions ........................... 289
Vehicl ee mergenc yl oc king ................ 70
Vehicl ei dentificatio nn umber
see VIN
Vehicl ei dentificatio np late .............. 283
Vehicl et oo lk it .................................. 241
Video
Operating the DVD ......................... 169
see also Digital Operator's Man-
ua l. ................................................. 211
VIN
Sea t. .............................................. 284
Type plate ...................................... 283
Voice Contro lS ystem
see Separate operating instructions
W
Warning and indicator lamps
ABS ................................................ 204
Active Brake Assist ........................ 209
Brake Assist ................................... 209
Brakes ........................................... 204
Check Engine ................................. 207
Coolant .......................................... 207 Distance Pilo tD ISTRONIC ............. 209
Distance warning ........................... 209
ESP ®
.............................................. 205
ESP ®
OFF ....................................... 206
Fue lt ank ........................................ 207
Genera ln otes ................................ 202
Parking brake ................................ 206
PASSENGER AIR BAG ...................... 38
Reserve fue l. .................................. 207
Restraint system ............................ 206
Sea tb el t. ....................................... 203
SPOR Th an dling mod e. .................. 206
Tire pressure monitor .................... 210
Warranty .............................................. 23
Washer fluid
Displa ym essage ............................ 201
Wheel and tire combinations
Tires ............................................... 278
Wheel bolt tightenin gt orque ........... 278
Wheel chock ...................................... 275
Wheels
Changing aw heel .......................... 274
Checking ........................................ 255
Cleaning ......................................... 238
Emergency spare whee l. ................ 279
Important safety notes .................. 255
Information on driving .................... 255
Interchanging/changing ................ 274
Mounting an ew whee l. .................. 277
Mounting aw heel .......................... 275
Overview ........................................ 255
Removing aw heel .......................... 277
Storing ........................................... 275
Tightening torque ........................... 278
Wheel size/tire size ....................... 278
Win ds cr een
Inserting and removing .................... 78
Preparing for installation .................. 78
see AIRGUIDE
Windows
see Sid ew in dows
Windshield
Defrosting ...................................... 109
Windshiel dw asher fluid
see Windshield washe rs ys tem
Windshiel dw asher system
Adding washe rf luid ....................... 234Index 19

Introduction The printe dO perator's Manual provide si nfor-
mation about th es af eo peration of your vehicle.
The Digital Operator's Manual provide sc om pre-
hensiv ea nd specifically adapted information on
your vehicle's equipmen ta nd multimedia sys-
tem. You can call up th eD ig ital Operator's Man -
ual via th em ultimedia system.
i You will no ti ncur any cost sw hen calling up
th eD ig ital Operator's Manual. The Digital
Operator's Manual works without connecting
to th eI nternet.
Ther ea re three ways to access th et op ic soft he
Digital Operator's Manual: R
Visua ls earch
The visual search allows you to explor ey our
vehicl e" virtually". Starting from either th e
vehicl ee xter io rv ie wori nterio rv iew, you can
access man yoft he differen tt op ic sc ov ered
by th eD ig ital Operator's Manual. To access
th ev ehicl ei nterio rs ection ,s elect th e" Vehi-
cle interior" view. R
Keywor ds earch
The keyword search allows you to search for a
keyword by enterin gc ha racters.R
Content s
You can select individual section sint he con-
tents.
i The Digital Operator's Manual is deactiva-
te df or safet yr eason sw hile driving .
Operation
Calling up th eD igital Operator's Man-
ual X
Press th e

Panic alarm X
To activate: press 3 button C for at
least one second.
Av isual and audible alarm is triggered if the
alarm system is armed. X
To deactivate: press 3 button C again.
or X
Insert the SmartKey into the ignition lock.
or X
Press the KEYLESS-GO Start/Stop button.
The KEYLESS-GO key must be in the vehicle.
Occupant safety
Introduction to the restraint system The restraint system can reduce the risk of vehi-
cle occupants coming into contact with parts of
the vehicle's interior in the event of an accident.
The restraint system can also reduce the forces
to which vehicle occupants are subjected during
an accident.
The restraint system comprises: R
seat belt system R
air bags
The components of the restraint system work in
conjunction with each other. They can only
deploy their protective function if, at all times, all
vehicle occupants: R
have fastened their seat belts correctly
( Y
page 40) R
have adjusted their seat and head restraint
properly ( Y
page 82).
As the driver, you also have to make sure that
the steering wheel is adjusted correctly.
Observe the information relating to the correct
driver's seat position ( Y
page 82). You also have to make sure that an air bag can
inflate properly if deploye d( Y
page 42).
An air bag supplements ac orrectly worn seat
belt. As an additional safety device, the air bag
increases the level of protection for vehicle
occupants in the event of an accident. For exam-
ple, if, in the event of an accident, the protection
offered by the seat belt is sufficient, the air bags
are not deployed. When an accident occurs, only
the air bags that increase protection in that par-
ticular accident situation are deployed. How-
ever, seat belts and air bags generally do not
protect against object sp enetrating the vehicle
from the outside.
Information on restraint system operation can
be found under "Triggering of the Emergency
Tensioning Devices and air bags" ( Y
page 48).
For information on children traveling with you in
the vehicle and on child restraint systems, see
"Children in the vehicle" ( Y
page 51).
Important safety notes
G WARNING
Modifications to the restraint system may
cause it to no longer work as intended. The
restraint system may then not perform its
intended protective function and may fail in an
accident or trigger unexpectedly, for example.
This poses an increased risk of injury or even
fatal injury.
Never modify parts of the restraint system.
Never tamper with the wiring, the electronic
components or their software.
If it is necessary to modify components of the
restraint system to accommodate ap erson
with disabilities, contact an authorized
Mercedes-Benz Center for details. USA only:
for further information contact our Customer
Assistanc eC enter at 1-800-FOR-MERCedes
(1 ‑ 800 ‑ 36 7 ‑ 6372).
Restraint system warning lamp
The functions of the restraint system are
checked after the ignition is switched on and at
regular intervals while the engine is running.
Therefore, malfunction sc an be detected in
good time.Occupant safety 37
Safety Z

G WARNING
The seat belts may not perform their intended
protective function if: R
they are damaged, modified, extremely
dirty ,b leached or dyedR
the seat bel tb uckle is damaged or
extremely dirty R
the Emergency Tensioning Devices, belt
anchorages or inertia reel sh ave been modi-
fied.
Seat belts may be damaged in an accident,
although the damage may not be visible, e.g.
due to splinters of glass. Modified or damaged
seat belts may tear or fail ,e .g. in an accident.
Modified Emergency Tensioning Devices
coul da ccidentally trigger or fail to deploy
when necessary. This pose sani ncreased risk
of injury or even fatal injury.
Never modify the seat belts, Emergency Ten-
sioning Devices, bel ta nchorages and inertia
reels. Make sure that the seat belts are
undamaged, not worn out and clean. Follow-
ing an accident, have the seat belts checked
immediatel yataq ualified specialist work-
shop.
Only use seat belts that have been approved for
you rv ehicl ebyM ercedes-Benz.
Proper use of the seat belts Observe the safety notes on the seat belt
( Y
pag e3 9).
All vehicl eo ccupants must be wearing the seat
bel tc orrectly before beginning the journey .A lso
make sure that all vehicl eo ccupants are always
wearing the seat bel tc orrectly while the vehicle
is in motion.
When fastening the seat belt, alway sm ake sure
that: R
the seat bel tt ongue is only inserted to the belt
buckle belonging to that seat. R
the seat bel tist ight across you rb ody.
Avoid wearing bulky clothing, e.g. aw inter
coat. R
the seat bel tisn ot twisted.
Only then can the forces which occur be dis-
tributed over the area of the belt. R
the shoulde rs ection of the bel tisa lways
routed across the center of you rs houlder.
The shoulde rs ection of the bel tm ust not
come into contact with you rn eck or be routed
under you ra rm. R
the lap bel tp asses tightly and as low dow na s
possible across you rl ap.
The lap bel tm ust alway sber outed across
you rh ip joints and not across you ra bdomen.
This applie sp articularl ytop regnant women.
If necessary, pus ht he lap bel td ow ntoy our
hip joint and pul litt ight using the shoulder
section of the belt. R
the seat bel tisn ot routed across sharp ,p oin-
ted or fragile objects.
If you have such items located on or in your
clothing, e.g. pens, keys or eyeglasses, store
these in as uitable place. R
only one perso nisu sing as eat bel tata time.
Infants and children must never travel sitting
on the lap of av ehicl eo ccupant. In the event
of an accident, they coul dbec rushed
between the vehicl eo ccupant and seat belt.R
objects are never secure dw ith as eat bel ti f
the seat bel tisa ls ob eing used by one of the
vehicle's occu pa nts.
Also ensure that there are never objects
between ap erso na nd the seat, e.g. cushions.
Seat belts are only intended to secure and
restrai nv ehicl eo ccupants. Always observe the
notes in the "Stowage options/compartments"
section for securing objects, luggage or loads
( Y
pag e2 17).
Fastening seat belts Observe the safety notes on the seat belt
( Y
pag e3 9) and the notes on correct use of seat
belts ( Y
pag e4 0).40
Occupant safety
Safety

If the front passenger does not observe these
conditions, OCS may produce af alse classifica-
tion, e.g. because the front passenger: R
transfers their weight by supporting them-
selves on av ehicle armrestR
sits in such aw ay that their weight is raised
from the seat cushion
If you install ac hild restraint system on the
front-passenger seat, be sure to observe the
correct positioning of the child restraint system.
Never place objects under or behind the child
restraint system, e.g. ac ushion. The entire base
of the child restraint system must always rest on
the seat cushio noft he front-passenger seat.
The backrest of the forward-facing child
restraint system must lie as flat as possible
against the backrest of the front-passenger
seat.
The child restraint system must not touch the
roof or be subjected to al oad by the head
restraint. Adjust the angle of the seat backrest
and the head restraint positio na ccordingly.
Only then can OCS be guaranteed to function
correctly. Alway so bserve the child restraint sys-
tem manufacturer's installation and operating
instructions.
Occupant Classification System opera-
tion (OCS)
C
PASSENGER AIR BAG ON indicator lamp
D
PASSENGER AIR BAG OFF indicator lamp
The indicator lamp si nform you whether the
front-passenger front air bag is deactivated or
enabled. X
Press the Start/Stop button once or twice, or
turn the SmartKey to position 1 or 2 in the
ignition lock.
The system carries out self-diagnostics. The PASSENGER AIR BAG OFF and PASSENGER
AIR BAG ON indicator lamp sm ust ligh tu ps imul-
taneousl yf or approximately six seconds.
The indicator lamp sd isplay the status of the
front-passenger front air bag. R
PASSENGER AIR BAG ON lights up: the front-
passenger front air bag is enabled. If, in the
event of an accident, all deployment criteria
are met, the front-passenger front air bag is
deployed. R
PASSENGER AIR BAG OFF lights up: the front-
passenger front air bag is deactivated. It will
then not be deployed in the event of an acci-
dent.
If the status of the front-passenger front air bag
changes whil et he vehicle is in motion, an air bag
display messag ea ppears in the instrument clus-
ter ( Y
page 187). When the front-passenger
seat is occupied, always pay attention to the
PASSENGER AIR BAG ON and PASSENGER AIR
BAG OFF indicator lamps. Be aware of the status
of the front-passenger front air bag both before
and during the journey.
G WARNING
If the PASSENGER AIR BAG OFF indicator
lamp is lit, the front-passenger front air bag is
disabled .Itw il ln ot be deployed in the event of
an accident and cannot perform its intended
protective function. Ap erson in the front-
passenger seat could then, for example ,c ome
into contact with the vehicle's interior, espe-
ciall yift he person is sitting too close to the
dashboard. This poses an increased risk of
injury or even fatal injury.
When the front-passenger seat is occupied,
always ensure that: R
the classification of the person in the front-
passenger seat is correct and the front-
passenger front air bag is enabled or disa-
bled in accordance with the person in the
front-passenger seat R
the front-passenger seat has been moved
back as far back as possible. R
the person is seated correctly.
Make sure, both before and during the jour-
ney, that the status of the front-passenger
front air bag is correct.Occupant safety 45
Safety Z

G WARNING
If you leave children unsupervised in the vehi-
cle, they coul ds et it in motion by, for example:R
release the parking brake. R
shift the automatic transmission out of the
parking position P .R
start the engine.
In addition, they may operate vehicl ee quip-
ment and become trapped. There is ar isk of
an accident and injury.
When leaving the vehicle, alway st ake the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
G WARNING
If persons, particularl yc hildren are subjected
to prolonged exposure to extreme hea to r
cold, there is ar isk of injury ,p ossibly even
fatal .N ever leave children unattended in the
vehicle.
G WARNING
If the child restraint system is subjected to
direct sunlight, parts may get very hot. Chil-
dren may burn themselves on these parts,
particularl yont he metal parts of the child
restraint system. There is ar isk of injury.
If you leave the vehicle, taking the child with
you ,a lway se nsure that the child restraint
system is not expose dtod irect sunlight. Pro-
tect it with ab lanket, for example. If the child
restraint system has been expose dtod irect
sunlight, let it cool dow nb efore securing the
child in it. Never leave children unattended in
the vehicle.
Always ensure that all vehicl eo ccupants have
their seat belts fastened correctly and are sitting
properly .P articular attention must be pai dt o
children.
Observe the safety notes on the seat belt
( Y
pag e3 9) and the notes on correct use of seat
belts ( Y
pag e4 0).
Ab ooster seat may be necessary to achieve
prope rs eat bel tp ositioning for children over
41 lbs (18 kg )u ntil they reach ah eight where a three-point seat bel tc an be properly fastened
without ab ooster seat.
Special seat bel tr etractor
G WARNING
If the seat bel tisr eleased while driving, the
child restraint system wil lnol onger be
secure dp roperly .T he special seat bel tr etrac-
tor is disable da nd the inertia real draw sina
portion of the seat belt. The seat bel tc annot
be immediatel yr efastened. There is an
increased risk of injury ,p ossibly even fatal.
Stop the vehicl ei mmediately, paying atten-
tion to road and traffic conditions. Reactivate
the special seat bel tr etractor and secure the
child restraint system properly.
The seat bel tont he front-passenge rs ide is
equipped with as pecial seat bel tr etractor.
When activated, the special seat bel tr etractor
ensure st hat the seat bel tw il ln ot slacken once
the child restraint system has been secured.
Installing ac hild restraint system: X
Always comply with the child restraint system
manufacturer's installation instructions. X
Pul lt he seat bel ts moothly out of the belt
loop. X
Engage the seat bel tt ongue in the bel tb uckle.
Activating the special seat bel tr etractor:X
Pul lt he seat bel to ut full ya nd let the inertia
reel retract it again.
Whil et he seat bel tisr etracting, you should
hear ar atcheting sound .T he special seat belt
retractor is activated. X
Push the child seat restraint system dow ns o
that the seat bel tist ight and does not loosen.
Removing ac hild restraint system and deacti-
vating the special seat bel tr etractor:X
Always comply with the child restraint system
manufacturer's installation instructions. X
Press the release button of the bel tb uckle,
hold the bel tt ongue firmly and guide it back
toward sb el tl oop.
The special seat bel tr etractor is deactivated.52
Children in the vehicle
Safety

X
To arm: lock the vehicl ew it ht he SmartKey or
KEYLESS-GO.
Indicato rl am p C flashes. The alarm system
is armed afte ra pp roximatel y1 5s econds.X
To disarm: unlock the vehicl ew it ht he Smart-
Key or KEYLESS-GO.
Av isua la nd audibl ea la rm is triggered if the
alarm system is armed and yo uo pe n:R
ad oo rR
the vehicl ew it ht he mechanical keyR
the trunk lid R
the hood R
the glove box R
the stowag es pace under the armrestX
To turn the alarm off with the SmartKey:
press the 6 or 7 button on the Smart-
Key.
The alarm is switched off.
or X
Insert the SmartKey into the ignition lock.
The alarm is switched off. X
To sto pt he alarm using KEYLESS-GO:
grasp the outsid ed oo rh an dle. The SmartKey
must be outsid et he vehicle.
The alarm is switched off.
or X
Press the Start/Stop button on the dash-
board .T he SmartKey must be insid et he vehi-
cle.
The alarm is switched off.
The alarm is not switched off, eve nify ou close
the open door tha tt riggered it, for example.
i If the alarm continue sf or more than
30 seconds ,t he mbrace emergency cal ls ys -
tem automaticall yn otifie st he Customer
Assistance Center. Thi sisd on ee it her by text
message or data connection. The emergency
cal ls ys tem send st he message or data provi-
de dt hat: R
yo uh av es ub scribed to the mbrace service.R
the mbrace service ha sb ee na ctivated
properly. R
the necessary mobil ep hone network is
available.62
Protectio na gains tt heft
Safety