2019 MERCEDES-BENZ S-CLASS CABRIOLET brake sensor

Wa
rnings may be issued in er ror when driving
close tocrash ba rriers or similar solid lane bor‐
ders. Alw ays make sure that there is suf ficient
di st ance tothe side forot her traf fic or obs ta‐
cles.
Wa rnings may be inter rupte d when driving along‐
side long vehicles, forex ample truc ks,fo r a pro‐
longed time.
Blind Spot Assist is not operational when reve rse
ge ar is engaged.
The exitwa rning may be limited in thefo llowing
situations:
R When the sensors are co veredby adjacent
ve hicles in nar rowparking spaces.
R When people approach theve hicle.
R Intheev ent of stationary or slowly moving
objects.
Fu nction of brake application (Active Blind
Spot Assist)
If Ac tive Blind Spot Assi stdetects a risk of a side
impact in the monitoring range, a cou rse-cor‐
re cting brake application is car ried out. This is
designed tohelp youavo id a collision. The course-cor
recting brake application is availa‐
ble in the speed range between appr oximately
20 mph (3 0 km/h) and 125mp h (2 00 km/h). &
WARNING Risk of accident despi te
brake application of Active Blind Spot
Assi st
A cou rse-co rrecting brake application cann ot
alw ays pr event a collision. #
Alw aysst eer, brake or accelera teyour‐
self, especially if Active Blind Spot
Assi stwa rnsyo u or makes a course-
co rrecting brake application. #
Alw ays maintain a safe dis tance at the
sides. &
WARNING Risk of accident despi te
Ac tive Blind Spot Assi st
Ac tive Blind Spot Assi stdoes not react tothe
fo llowing:
R Ifve hicles overtake too closely on the
side, placing them in the blind spot area R
Vehicles approaching and overtaking you
at a greatly di fferent speed
As a result, Active Blind Spot Assi stmay nei‐
th er give warnings nor inter vene in su chsit‐
uations. #
Alw ays pay careful attention tothe traf‐
fi c situation and maintain a safe dis‐
ta nce at the side of theve hicle. Ac
tive Blind Spot Assi stis only an aid. It may fail
to detect some vehicles and is not a substitute
fo r attentive driving. Alw ays ensure that there is
suf ficient di stance tothe side forot her road
users and obs tacles. 204
Driving and pa rking

R
You ha veadop ted a sporty driving style with
high cornering speeds or high rates of accel‐
eration.
R When ESP ®
is deactivated.
R If a loss of tire pressure or a faulty tire has
been de tected and displ ayed.
The sy stem may be impaired or may not function
in thefo llowing situations:
R Ifth ere is poor visibility, e.g. due toinsuf fi‐
cient illumination of thero ad, if there are
highly variable shade conditions or in rain,
sno w,fog or heavy spr ay.
R Ifth ere is glare, e.g. from oncoming traf fic,
th e sun or reflections.
R Ifth e windshield in the area of the multifunc‐
tion camera is dirty, or if the camera is fog‐
ge d up, damaged or co vered.
R Ifth ere are no lane markings, or se veral
unclear lane markings are present for one
lane, e.g. around roadwor ks.
R Ifth e lane markings are worn, dark or cov‐
ered. R
Ifth e dis tance totheve hicle in front is too
short and thus the lane markings cann otbe
de tected.
R Ifth e lane markings change quickl y,e.g.
lanes branch off, cross one ano ther or
mer ge.
R Ifth ero adw ayisvery nar row and winding.
Ve hicles with Driving Assistance pac kageor
Driving Assistance Plus pa ckage: Active Lane
Ke eping Assist uses radar sensors tomonitor
se veral areas around theve hicle. If thera dar
sensors in there ar bumper are dirty or co vered
with sn ow,th e sy stem may be impaired or may
not function. If an obs tacle in the lane in which
yo u are driving has been de tected, no lane-cor‐
re cting brake application occu rs.Ac
tivating/deactivating Active Lane Keeping
Assist (vehicles with Parking Assist
PA RKTRONIC) &
WARNING Risk of accident despi te
Ac tive Lane Keeping Assist warning
A lane-cor recting brake application cannot
al wa ys bring theve hicle back into the origi‐
nal lane. #
Alw aysst eer, brake or accelera teyour‐
self, especially if Active Lane Keeping
Assist warnsyo u or makes a lane-cor‐
re cting brake application. &
WARNING Risk of accident despi teinter‐
ve ntion of Active Lane Keeping Assist
Ac tive Lane Keeping Assist does not de tect
traf fic conditions or road users. In very rare
cases, the sy stem may make an inappropri‐
ate brake application, e.g. af ter intentional ly
driving over a solid lane marking.
The brake application can be inter rupte d at
any time if yousteer slightly in the opposite
direction. Driving and parking
207

Obser
vethefo llowing information: Note
s on cleaning and car eA voiding vehicle damage
Wheels/rims Usewate r and acid-free wheel cleaners. R
Do not use acidic wheel cleaners toremo vebrake dust.
This could damage wheel bolts and brake components.
R Toavoid cor rosion of the brake discs and brakepads, drive
th eve hicle for a few minutes af ter cleaning before parking
it. The brake discs and brakepads warm up and dry out.
Wi ndo ws
Cleanthe windo wsonthe inside and outside using a damp
clo thand cleaning agents recommended byMercedes-Benz. Do not use dry clo
ths or abrasive or sol vent-based cleaning
agents toclean the inside of windo ws.
Wi per blades
Fold out the wiper blades and clean them using a damp clo th.D o not clean the wiper blades too of ten.
Ex terior lighting
Cleanthe lenses with a wet sponge and mild cleaning agent,
e.g. car sha mpoo. Only use cleaning agents or cleaning clo
thsth at are suitable
fo r plast ic lenses.
Sensors Cleanthe sensors in the front and rear bumper and in the
ra diator grill with a soft clo thand car shampoo. When using a po
werwa sher, maintain a minimum dis tance of
11 .8 in (30 cm).
Re ar view camera
and 360° Camera R
Open the camera co ver with the multimedia sy stem
(→ page 190).
R Use clean water and a soft clo thtoclean the camera lens. Do not use a po
werwa sher.
Ta ilpipes
Clean with cleaning agents recommended byMercedes-Benz,
particular lyin the winter and af terwa shing theve hicle. Do not use acidic cleaning agents. Maintenance and care
353

Obser
vethefo llowing when selecting, ins talling
and replacing tires:
R Only use tires and wheels of the same type
(summer tires, winter tires, MOEx tended
tires) and the same make.
R Only ins tall wheels of the same size on one
axle (left and right).
It is only permissible toins tall a dif fere nt
wheel size in theeve nt of a flat tire in order
to drive tothe specialist workshop.
R Only ins tall tires of the cor rect size onto the
wheels.
R Vehicles with a tire pressure monitoring
sy stem: All ins talled wheels must be equip‐
ped with functioning sensors forth e tire
pressure monitoring sy stem.
R Attemp eratures below 45 °F (7 °C), use win‐
te r tires or all-season tires mar ked M+S for
all wheels.
Wi nter tires bearing the004D snowflake sym‐
bol in addition tothe M+S marking pr ovide
th e best possible grip in wintry road condi‐
tions. R
For M+S tires, only use tires with the same
tread.
R Obser vethe maximum permissible speed for
th e M+S tires ins talled.
If th is is below theve hicle's maximum speed,
th is must be indicated byan appropriate
label in the driver's field of vision.
R Break in new tires at moderate speeds for
th efirs t 60 miles (100 km).
R Replace the tires af ter six years at the latest,
re ga rdless of wear.
R When replacing with tires that do not fea‐
ture run-flat characteristics: vehicles with
MOExtended tires are not equipped with a
TIREFIT kit at thefa ctor y.Equip theve hicle
with a TIREFIT kit af terre placing with tires
th at do not feature run-flat characteristics,
e.g. winter tires.
Fo r more information on wheels and tires, con‐
tac t a qualified specialist workshop.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tire pressure (→ page377) R
Tire and Loading In form ation placard
(→ page 384)
R Tire size designation, load-beari ng capacity,
speed rating and load ind ex (→page 391)
R Tire pressure table (→ page379) Note
s onrotating wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent wheel sizes
Inter changing the front and rear wheels if the
wheels or tires ha vediffere nt dimensions
may se verely impair the driving characteris‐
tics.
The wheel brakes or wheel suspension com‐
ponents may also be damaged. #
Rotate front and rear wheels on lyifthe
wheels and tires are of the same dimen‐
sions. 398
Wheels and tires

Display messages
Possible causes/consequences and 0050
0050Solutions #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Visit a qualified specialist workshop immediatel y.
0027
(USA only)
004D (Canada only)
Check Brake Fluid Level *T
here is insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Do not add brake fluid. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Do not add brake fluid. #
Consult a qualified specialist workshop.
Radar Sensors Dirty See
Operator's Manual *T
heradar sensor sy stem is malfunctioning. Possible causes are:
R Dirt on the sensors
R Heavy rain or snow 424
Display messages and warning/indicator lamps

00AFKe
yNot De tected (red displ ay
messa ge).............................................4 54
0075 Left Side Cur tain Airbag Mal‐
function Service Required (Example) ...4 28
Let fresh air into theve hicle interior.
Air Conditioning Malf. Visit Wo rk‐
shop ....................................................4 59
¢ Lowe ring .................................... 439
Malfunction Drive at Max. 50 mph...... 437
0049Malfunction See Operator ’s
Manual ................................................ 462
¢Max. Speed 22 mph.................... 438
Mercedes me connect Services Limi‐
te d See Operator's Manual .................. 431
N Pe rm anently Active Risk of Rolling
Aw ay ................................................... 449
00AF Obtain a New Key........................ 454
çOff .............................................. .439
00D9Off ............................................... 436 Only Shift
to'P' when Vehicle is Sta‐
tionary ................................................ .449
0059 Open/Close Con vertible To p
Comple tely .......................................... 460
0049Pa rking Brake See Opera tor's
Manual ................................................ 420
00AFPlace theKe y in the Mar ked
Space See Ope rator's Manual .............455
0077Please Cor rect Tire Pressure .......451
0049 Please Release Parking Brake .....4 23
PRE-SAFE Inoperative See Opera‐
to r's Manual ........................................ 431
Ra dar Sensors Dirty See Operator's
Manual ................................................ 424
006FRe ar Left Backrest Not
Latc hed (Example) ...............................4 56
00AFRe placeKey Bat tery .................... 455
Re versing Not Possible Service
Re quired .............................................. 448
003D See Ope rator's Manual ................ 441Service
Required Do Not Shift Gears
Vi sit Dealer .......................................... 448
Shift to'P' ...........................................4 49
Shift to'P' or 'N' toStart Engine .........450
0075SRS Malfunction Service
Re quired .............................................. 427
00CCSt eering Malfunction Incre ased
Ph ysical Ef fort See Ope rator's Man‐
ual ....................................................... 457
00CCSt eering Malfunction Stop
Immediately See Operator's Manual ... 456
St op Vehicle Lea veEngine Running
Wa itTransmission Cooling ..................448
003D Stop Vehicle Lea veEngine Run‐
ning ..................................................... 442
003D Stop Vehicle See Operator's
Manual ................................................ 443
00CC Stop Vehicle Vehicle Too Low ...... 438
çSuspended ..................................4 40
0049Switch Off Lights ......................... 462488
Index

0049Switch On Headlamps
................. 462
0077Ti rePress. Monitor Cur rently
Un available .......................................... 452
0077Ti rePress. Monitor Inoperative ... 452
0077Ti rePressure Monitor Inopera‐
tive NoWheel Sensors ........................ 452
Ti re s Overheated ................................. 453
To Deselect P or N,Dep ress Brake
and Start Engine .................................. 448
To Engage Transmiss. Position R Fir st
Dep ress the Brake ...............................4 49
Tr af fic Sign Assi stCamera View
Re stricted See Ope rator's Manual .......436
Tr af fic Sign Assi stCur rently Unavail‐
able See Operator's Manual ................ 436
Tr af fic Sign Assi stInoperative ............. 435
Tr ansmission Malfunction Stop ............ 447
0058 Trunk Partition Open ...................461
0049 Turn On the Ignition to Release
th ePa rking Brake ................................ .419 00CC
Vehicle Rising Please Wait.......... .434
00CCVe hicle Rising .............................. 436
0077Wa rning Tire Malfunction ............ 450
0077Wheel Sensor(s) Missing .............452
0059 While stationar y,apply the
brakes before operating the soft top.
.............................................................4 60
Display on the windshield
see Head-up Display
Distance control see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Locking (emergency key) ...................... .65
Locking (from inside) ............................. 62
Opening (from the inside) ......................62
Po we r closing function ......................... .65
Un locking (emer gency key) .................. .65
Un locking (from the inside) ...................62 Door cont
rol panel (rear passenger
compartment) ............................................ 14
DO T,Tire Identification Number (TIN) ... 389
Dr aw bar
see Tow- bar sy stem
Drinking and driving ................................13 4
Drinks holder see Cup holder
Drive Away Assist .................................... 194
Drive position Inserting .............................................. 141
Drive prog ram display ............................. 13 8
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving lights see Automatic driving lights
Driving saf ety sy stem ............................ .155
ABS (Anti-lock Braking Sy stem) ........... 15 6
Ac tive Brake Assi st.............................. 15 9
BA S (Brake Assi stSystem) .................. 15 6 Index
489

EBD (electronic brake
forc e distribu‐
tion) ..................................................... 15 9
ESP ®
Crosswind Assi st........................ 15 9
Overview ............................................. 15 5
Ra dar sensors .....................................1 55
Re sponsibility ...................................... 15 5
ST EER CONTROL ................................. 15 9
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Change Assi st
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see AIRMATIC
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see HOLD function
see Night View Assi st
see Parking Assist PARKTRONIC see
Rear view camera
see Traf fic Sign Assi st
Driving tips Drinking and driving ............................ 13 4
Gene ral driving tips ............................ .134
No tes on breaking-in a new vehicle ..... 13 3
Dr ow siness de tection
see ATTENTION ASSIST
Dynamic handling control sy stem
see ESP ®
(Elect ronic Stability Prog ram)
DY NA MIC SELECT .................................... 13 8
Con figuring drive program I ................. 13 9
Displ aying engine data ........................ 13 9
Displ aying vehicle data ........................ 13 9
Drive prog ram display ......................... .138
Drive programs ................................... .138
Fu nction .............................................. 13 8
Operating (DYNAMIC SELECT switch) .............................................................1 38
Selecting the drive program ................1 38
Showing operation feedback ............... 13 9 E
E10 ............................................................ 411Easy entry
feature
Fu nction/no tes .....................................96
Setting ................................................... 97
Easy exitfeature
Fu nction/no tes .....................................96
Setting ................................................... 97
EBD (electronic brake forc e distribu‐
tion)
Function/no tes ................................... 15 9
ECO display Function .............................................. 137
Re setting ..............................................2 17
ECO start/s top function ......................... 13 6
Au tomatic engine start ........................ 13 6
Au tomatic engine stop .........................1 36
Me thod of operation ............................1 36
Switching off/on ................................. 137
Electric pa rking brake ............................ .151
Applying au tomatical ly......................... 151
Applying or releasing manually ............ 15 3
Emergency braking .............................. 15 3
Re leasing automatically ...................... .152
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram) 490
Index