2018 MERCEDES-BENZ SL CLASS brake sensor

Brake fluid
Displa ym essage ............................ 184
Note s. ............................................ 293
Brake forc ed istribution
see EBD (electroni cb rake force
distribution)
Brake lamps
Adaptive ........................................... 60
Displa ym essage ............................ 189
Brakes
ABS .................................................. 57
Adaptive Brake Assist ...................... 59
BAS .................................................. 57
Brake fluid (notes) ......................... 293
Displa ym essage ............................ 179
EBD .................................................. 63
High-performance brake system .... 137
Important safety notes .................. 136
Maintenance .................................. 137
Parking brake ................................ 132
Riding tip s. ..................................... 136
Warning lamp ................................. 204
Breakdow na ssistance
Reflective safety jacke t. ................. 244
Where will If ind...? ........................ 244
see Fla tt ire
see Towing away
Brightness contro l( in strument
cluste rl ig hting) ................................... 32
Bulbs
see Replacing bulbs
C
California
Important notic ef or retail cus-
tomers and lessees .......................... 24
Calling up am alfunction
see Displa ym essages
Car
see Vehicle
Care
Ca rw as h. ....................................... 238
Exhaus tp ip e. ................................. 243
Exterior lights ................................ 242
Matte finish ................................... 240
Note s. ............................................ 238
Paint .............................................. 240 Power washe r. ............................... 239
Rear vie wc amera .......................... 242
Sensors ......................................... 242
Washing by hand ........................... 239
Wheel s. .......................................... 241
Window s. ....................................... 241
Wipe rb lade s. ................................. 241
CD
see also Digital Operator's Man-
ua l. ................................................. 211
CD player (on-board computer) ........ 169
Cente rc on sole
Lower section .................................. 35
Upper section .................................. 34
Central locking
Automati cl oc king (on-board com-
puter) ............................................. 173
Locking/unlocking (SmartKey ). ....... 65
Changin gb ulbs
Sid em arker lamps (rear) ............... 101
Child
Restraint system .............................. 55
Child seat
Forward-facing restraint system ...... 56
On the front-passenger sea t. ........... 55
Rearward-facing restraint system .... 56
Children
Specia ls ea tb el tr etractor ............... 54
Childre nint he vehicle
Important safety notes .................... 53
Cigarette lighter ................................ 223
Cleaning
Mirror turn signa l. .......................... 242
Climate control
Air-conditioning system ................. 104
Automati cc limate control (dual-
zone) .............................................. 106
Controlling automaticall y. .............. 109
Cooling with ai rd ehumidifica tion .. 108
Defrosting the window s. ................ 111
Defrosting the windshield .............. 110
Genera ln otes ................................ 104
Indicato rl am p. ............................... 109
Information abou tu si ng auto-
mati cc limate control ..................... 107
Ma xi mu mc ooling .......................... 111
Note sonu si ng the air-condition-
ing system ..................................... 1056
Index

SSafety
Children in the vehicle ..................... 53
see Occupant safety
Safety system
see Driving safety systems
SD card
Inserting ....................................... .2 17
Inserting/removing ........................ 217
Removing ....................................... 217
SD memory card
see also Digita lO perator's Man-
ua l. ................................................ .2 11
Selecting ........................................ 169
Searc h&S end
see also Digita lO perator's Man-
ua l. ................................................ .2 11
Seat
Correct driver's sea tp osition ........... 84
Seat belts
Adjusting the driver's and front-
passenger sea tb el t. ........................ 42
Correct usag e. ................................. 41
Fastening ......................................... 42
Important safety guideline s. ............ 40
Introduction ..................................... 39
Releasing ......................................... 42
Switching belt adjustment on/off
(on-board computer) ...................... 174
Warning lamp ................................. 203
Warning lamp (function) ................... 42
Seats
Adjusting (electrically) ..................... 86
Adjusting (manually) ........................ 86
Adjusting the 4-wa yl um ba rs up -
por t. ................................................. 87
Adjusting the hea dr estraint ............ 86
Important safety notes .................... 84
Overview .......................................... 84
Sea th eating problem ...................... 87
Storing settings (memory func-
tion) ................................................. 93
Switching AIRSCAR Fo n/of f. ........... 87
Switching sea th eating on/of f. ........ 87
Selecto rl ever
Positions ........................................ 122
Sensors (cleaning instructions) ....... 242 Servic em en u( on -board com-
puter) .................................................. 171
Servic em essage
see ASSYST PLUS
Servic ep roducts
Brake fluid ..................................... 293
Coolant (engine) ............................ 293
Engine oi l. ...................................... 292
Fue l. ............................................... 291
Important safety notes .................. 290
Refrigerant (air-conditioning sys-
tem) ............................................... 294
Washe rf lui d ................................... 294
Setti
n gt he air distribution ............... 110
Setting the airflow ............................ 110
Setting the date/time format
see also Digital Operator's Man-
ua l. ................................................. 211
Setting the language
see also Digital Operator's Man-
ua 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,
Mercedes-AMG vehicles) .................. 175
Side impac ta ir bag ............................. 44
Side marker lamp
Changing bulb s( rear) .................... 101
Side marker lamp (display mes-
sage) ................................................... 189
Side windows
Cleaning ......................................... 241
Convenience closing feature ............ 76
Important safety information ........... 74
Opening/closing (all ). ...................... 75
Opening/closing (front) ................... 75
Overview .......................................... 74
Problem (malfunction) ..................... 76
Resetting ......................................... 76
Reversing feature ............................. 74
SIRIU Ss er vices
see also Digital Operator's Man-
ua l. ................................................. 21116
Index

Active Brak eA ssist
Gene ra li nf orm ation
i Observ et he "Importan ts afet yn otes "s ec -
tion ( Y
page 56).
Active Brake Assis tc onsists of ad istanc ew arn -
ing function wit hana utonomous braking func-
tion and Adaptive Brake Assist.
Active Brake Assis tc an help you to minimiz et he
ris kofac ol lision wit ht he vehicl einf ront or
reduce th ee ffects of suc hac ol lision .
If Active Brake Assis td etects that there is ar is k
of collision ,y ou will be warned visually and
acoustically. If you do no tr eac ttot he visual and
audible collision warning ,a utonomous braking
can be initiate dinc riti cal situations. If you apply
th eb rak ey ourself in ac riti cal situation ,A da p-
tive Brake Assis toft he Active Brake Assis ts ys-
te ms upport sy ou.
Import ant safety notesIn particular, th ed etection of obstacles can be
impaire di f:R
there is dir tont he sensor sora nythin ge lse
covering th es ensor sR
there is snow or heav yr ainR
there is interferenc ebyo th er radar source sR
there are stron gr adar reflections, for exam-
ple in parking garages R
an arrow vehicl eist ra veling in front, e.g. a
motorbik eR
av ehicl eist ra veling in fron tonad ifferen tl in eR
you are drivin gan ew vehicl eors ervicing on
th eA ctiv eB ra ke Assis ts ystem has jus tb een
carrie do ut
Observ et he important safet yn otes in th e
"Breaking-in notes" section ( Y
page 115).
Followin gd amag etot he fron te nd of th ev ehicle,
hav et he configuration and operation of th e
radar sensor checke dataq ualified specialis t
workshop .T his also applie stoc ol lision sats low
speeds wher et he re is no visible damag etot he
fron toft he vehicle.
Activating/deactivating
Active Brake Assis tisa utomatically active after
switching on th ei gnition .
You can activat eord eactivat eA ctiv eB ra ke
Assis tu sin gt he on-board computer ( Y
page 171). When deactivated, th ed istanc e
warning function and th ea utonomous braking
function are also deactivated.
If Active Brake Assis tisd eactivated, th e

Important safety notes
G WAR NING
Adaptive Brake Assist canno ta lways clearly
iden tif yo bj ect sa nd co mple xt ra ff ic situa-
tions.
In suc hc ases, Adaptive Brake Assist can:R
interven eu nnecessar ilyR
no ti ntervene
Ther eisar is kofana cc iden t.
Always pay careful attentio ntot he traff ic sit-
uation and be read yt ob rake. Terminate the
interventio ninan on-cri tical driv ing situation.
G WAR NING
Adaptive Brake Assist does no tr eact:R
to peop le or animalsR
to oncomin gv eh icle sR
to crossing traff icR
when cornering
As ar esult, th eA da pt ive Brake Assist may not
interven eina ll critical conditions. Ther eisa
ris kofana cc iden t.
Always pay careful attentio ntot he traff ic sit-
uation and be read yt ob rake.
Always adapt your spee dtos uit th ep re vailin g
road and traff ic conditions.
Due to th en ature of th es ystem, particularly
co mpli cated but non-critical driv ing conditions
may also caus eB ra ke Assist to intervene.
If adaptive Brake Assist is no ta vailab le due to a
malfunctio nint he radar sensor system, the
brak es ystem remains availab le wit hf ull brake
boostin ge ffect and BA S.
Adaptive brak el ights
i Observ et he "Im portan ts afety notes" sec-
tio n( Y
page 56).
If you brak es harply from as pee dofm or et ha n
50 km /h or if braking is assiste dbyB AS or
Brake Assist wit hC ross-Traffic Assist ,t he brake
lamps flas hr apid ly. In th is way, traff ic traveling
behin dy ou is warned in an eve nm or en ot ic eable
manner. If you brak es harply from as pee dofm or et ha n
70 km /h to as ta ndstill, th eh azard warning
lamps are activated automatically. If th eb rakes
are applie da gain ,t he brak el amps light up con-
tinuously. The hazard warning lamps switch off
automatical ly if you travel faster than 10 km/h.
You can also switch off th eh azard warning
lamps usin gt he hazard warning button
( Y
page 97).
ESP ®
(Electronic Stability Program)
General notes
i Observ et he "Importan ts afety notes" sec-
tio n( Y
page 56).
ESP ®
monitors driving stabilit ya nd traction ,i .e .
power transmission between th et ires and the
road surface.
If ESP ®
detect st ha tt he vehicle is deviating from
th ed irection desired by th ed river, on eorm ore
wheel sa re braked to stabiliz et he vehicle .T he
engin eo utput is also modifie dtok ee pt he vehi-
cle on th ed esired course wit hin physical limits.
ESP ®
assists th ed river when pullin ga way on
wet or slippery roads. ESP ®
can also stabilize
th ev ehicle durin gb raking.
ETS (Electronic Traction System)
i Observ et he "Importan ts afety notes" sec-
tio n( Y
page 56).
ET St ra ction control is part of ESP ®
.
ET Sb rakes th ed riv ew heel si nd ivid ually if they
spin .T his enables you to pull away and acceler-
ate on slippery surfaces, for example if th er oad
surface is slippery on on es ide .Ina ddit ion ,m ore
driv et or que is transferred to th ew heel or
wheel sw it ht ra ction.
ET Sr emains active when you deactivate ESP ®
.
Important safety notes
G WARNING
If ESP ®
is malfunctionin gitw ill no tp rovide
any vehicle stabilization .T her eisani ncreased
ris kofs ki ddin gorofana ccident.
Exercise caution when continuing to drive.
Hav eE SP ®
checked at aq ualified specialist
worksho p.60
Driving safety systems
Safety

When the HOLD function is activated, the trans-
mission is automatically shifted to position ]
if: R
the driver's seat belt is not fastened and the
driver's door is open. R
the engine is switched off, unless it is auto-
matically switched off by the ECO start/stop
function.
The electric parking brake secures the vehicle
automatically if the HOLD function is activated
when the vehicle is stationary and: R
as ystem malfunction occurs. R
the power supply is not sufficient.
If am alfunction in the electric parking brake
occurs ,t he transmission may also be shifted
into position ] automatically.
Adaptive damping system
General notes
i Mercedes-AMG SLC 43: the adaptive
damping system is called AMG RIDE CON-
TROL sports suspension.
As uspension with the adaptive damping system
provides improved driving comfort and contin-
uously controls the calibration of the dampers.
The damping characteristic sa dapt to the cur-
rent operating and driving situation.
The damping is tuned individually to each wheel
and depends on: R
your driving style, e.g. sporty R
the road surface conditions R
the selected drive program ( Y
page 121).
Selecting the Comfort or Economy drive
programs In the Comfort and Economy drive programs,
the driving characteristic sofy our vehicle are
more comfortable. Select one of these drive
programs if you favor am ore comfortable driv-
ing style. Also select these drive programs when
driving fast on straight roads, e.g. on straight
stretches of highway.
In urban traffic and stop-start traffic, drive pro-
gram C is recommended. X
Press DYNAMIC SELECT button C repeat-
edly until the Comfort or Economy drive pro-
gram is selected.
Selecting Sport mode The firmer setting of the suspension tunin gi n
the Sport drive program ensures even better
contact with the road. Select this drive program
when employing as porty driving style, e.g. on
winding country roads. X
Press DYNAMIC SELECT button C as many
times as necessary until the Sport drive pro-
gram is selected.
Selecting Sport Plus mode The firmer suspension settings in the Sport
Plus drive program ensure even better contact
with the road. Select this mode when employing
as porty driving style, e.g. on winding country
roads or, ideally ,w hen driving on closed race
circuits. X
Press DYNAMIC SELECT button C repeat-
edly until the Sport Plus drive program is
selected.
Parking Assist PARKTRONIC
Important safety notes Parking Assist PARKTRONIC is an electronic
parking aid with ultrasound. It monitors the area
around your vehicle using six sensor sint he
fron tb umper and four sensor sint he rear
bumper. Parking Assist PARKTRONIC visually
and audibly indicates the distanc eb etween your
vehicle and an object.
Parking Assist PARKTRONIC is only an aid. It is
not ar eplacemen tf or your attention to your
immediate surroundings. You are always
responsible for safe maneuvering, parking and
exitin gap arking space. Make sure that thereDriving systems 149
Driving and parking Z

are no persons, animals or object sint he pat ho f
your vehicle when you are maneuvering or park-
ing.
! When parking ,p ay particular attention to
object sa bov eorb elow th es ensors, suc ha s
flowe rp ot sort ra iler drawbars. PARKTRONIC
does no td etect suc ho bject sw hen they are in
th ei mmediat ev icinit yoft he vehicle .Y ou
coul dd amage th ev ehicle or th eo bjects.
The sensor sm ay no td etect snow and other
object st ha ta bsor bu ltrasonic waves.
Ultrasonic sources suc hasana utomatic car
wash, th ec ompressed-air brakes on at ru ck
or ap neumatic drill coul dc aus eP AR KTRONIC
to malfunction.
PARKTRONIC may no tf unction correctly on
uneven terrain.
Parking Assist PARKTRONIC is activated auto-
matically when you: R
switch on th ei gnitionR
shif tt he transmission to position [ , ^ or
\\ R
release th ee lectric parking brake
Parking Assist PARKTRONIC is deactivate da t
speeds abov e1 1m ph (18 km/h). It is reactiva-
te datl ower speeds.
Range of th es ensors
General notes Parking Assist PARKTRONIC does no tt ak ei nto
accoun to bstacle sl ocated:R
below th ed etection range, e.g .p eople, ani-
mals or objects. R
abov et he detection range, e.g .o verhanging
loads, truck overhangs or loadin gr amps.
C
Sensor sint he fron tb umper, left-hand side
(example) The sensor sm ust be free from dirt ,i ce or slush.
They can otherwise no tf unction correctly. Clean
th es ensor sr egularly, taking car en ot to scratch
or damage them ( Y
page 242).
Range
Fron ts ensors
Center Approx .4 0in( approx.
10 0c m)
Corners Approx .2 4in( approx.
60 cm)
Rear sensors
Center Approx .4 8in( approx.
12 0c m)
Corners Approx .3 2in( approx.
80 cm)
Minimum distance
Center Approx .8 in (approx .2 0c m)
Corners Approx .6 in (approx .1 5c m)
If there is an obstacle within this range, th er el-
evan tw arning displays light up and aw arning150
Driving systems
Driving and parking

Display messages
Possible causes/consequences and P Solutions
The yellow $ warning lamp lights up and th er ed I (US Ao nl y)
or $ (Canada only) indicator lamp flashes .
It is no tp ossibl etoa pply th ee lectric parking brak em anually.X
Shift th et ra nsmission to position ] .X
Visit aq ualified specialist workshop .
' (US Ao nl y)
M (Canada only)
Check Brake Fluid
Level There is no te no ugh brak ef luid in th eb rak ef luid reservoir .
In addition ,t he ' (US Ao nl y) or M (Canada only) warning lamp
lights up in th ei nstrumen tc luste ra nd aw arning tone sounds.
G WARNIN G
The braking effec tm ay be impaired.
There is ar is kofana ccident.X
Pull ove ra nd stop th ev ehicl es afely as soo nasp ossible, payin g
attention to roa da nd traffic conditions. Do no tc ontinue drivin g
under any circumstances. X
Secur et he vehicl ea gainst rollin ga way ( Y
page 131).X
Consult aq ualified specialist workshop .X
Do no ta dd brak ef luid .T his does no tc orrect th em alfunction .
& Check Brake Pad Wea r The brak ep ads/linings hav er eached their wear limit.X
Visit aq ualified specialist workshop .
S Inoperative On eorm or em ain features of th em brace system are malfunctioning .X
Hav et he mbrace system checke dataq ualified specialist work-
shop.
PRE-SAFE Inopera‐
tiv e See Operator' s
Manual Importan tf unction sofP RE-SAF E ®
hav ef ailed. Al lo th er occupant
safet ys ystems ,e .g .a ir bags ,r emain available.X
Visit aq ualified specialist workshop immediately.
Active Brake Assist
Functions Currently
Limite dS ee Opera‐
tor's Manual Active Brake Assis tist em porarily inoperative.
Possibl ec auses are: R
The radar sensor system is temporarily inoperative, e.g. due to
electromagneti cr adiation emitted by nearby TV or radi os ta tion so r
other source sofe lectromagneti cr adiation .R
The system is outside th eo perating temperature range.R
The on-boar dv oltag eist oo low.
Whe nt he causes state da bov enol onger apply, th ed isplay message
disappears.
Active Brake Assis tiso perational again .
If th ed isplay message does no td isappear :X
Pull ove ra nd stop th ev ehicl es afely as soo nasp ossible, payin g
attention to roa da nd traffic conditions.X
Secur et he vehicl ea gainst rollin ga way ( Y
page 131).X
Restart th ee ng ine.184
Display messages
On-boar dc omputer an dd isplays

Display messages
Possible causes/consequences and P Solutions
Active Brake Assist
Functions Limite d
See Operator' sM an ‐
ual Active Brake Assis tisu navailable due to am alfunction .X
Visit aq ualified specialist workshop .
Radar Sensor s Dirty
See Operator' sM an ‐
ual The radar sensor system is malfunctioning .
Possibl ec auses are: R
Dirt on sensor sR
Heavy rain or snow R
Whe nd rivin goni nter-urban roads without traffic or infrastructure,
e.g. in desert-like area s
At least on ed rivin gs ystem or drivin gs afet ys ystem is malfunctioning
or is temporarily unavailable :R
Active Brake Assis tR
Distanc eP ilo tD ISTR ONI C
Once th ec aus eoft he problem is no longer present, th ed rivin ga nd
drive safet ys ystems will be available again .T he display message dis-
appears.
If th ed isplay message does no td isappear :X
Pull ove ra nd stop th ev ehicl es afely as soo nasp ossible, payin g
attention to roa da nd traffic conditions.X
Secur et he vehicl ea gainst rollin ga way ( Y
page 131).X
Switc ho ff th ee ng ine.X
Clean all sensor s( Y
page 242).X
Restart th ee ng ine.
The display message disappears.
u SRS Malfunction Ser ‐
vic eR equired The restrain ts ystem is malfunctioning .T he u warning lamp also
lights up in th ei nstrumen tc luster.
G WARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th ee vent of an accident, may no tbet ri ggered .
There is an increased ris kofi njury.X
Visit aq ualified specialist workshop immediately.
Fo rf urther information about th er estrain ts ystem, see ( Y
page 38) .
u Front Lef tM alfunc‐
tio nS ervic e
Required or Front
Right Malfunction
Servic eR equired The restrain ts ystem has malfunctioned at th ef ront on th el ef torr ight .
The u warning lamp also lights up in th ei nstrumen tc luster.
G WARNIN G
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in th ee vent of an accident, may no tbet ri ggered .
There is an increased ris kofi njury.X
Visit aq ualified specialist workshop immediately. Display messages 18 5
On-boar dc omputer an dd isplays Z