sensor MERCEDES-BENZ S-CLASS CABRIOLET 2019 Owner's Guide

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

Display messages
Possible causes/consequences and 0050
0050Solutions
Drive More Slowly *Y
ou are driving toofast forth e selected vehicle le vel. #
In order toadjust theve hicle le vel,yo u must not drive at speeds greater than 50 mph (80 km/h). #
In order toadjust theve hicle le vel during trailer operation, you must not drive at speeds greater than 19 mph
(30 km/h).
Blind Spot Assist Currently
Unavailable See Operator's
Manual *B
lind Spot Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (→ page 202). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again.
or #
Ifth e display message does not disappear, stop theve hicle while paying attention toroad and traf fic conditions
and restart the engine. #
If necessar y,clean there ar bumper. If the bumper is extreme lydirty, the sensors in the bumper may be mal‐
functioning. Active Steering Assist Inop-
erative *A
ctive Steering Assist is malfunctioning. Active Dis tance Assi stDISTRONIC remains available. #
Visit a qualified specialist workshop. Display messages and
warning/indicator lamps 433

Engine oil
Display messages
Possible causes/consequences and 0050
0050Solutions
00B3 Engine Oil Level Cannot Be
Measured *T
he electrical connection tothe oil le vel sensor has been inter rupte d or the oil le vel sensor is faulty. #
Consult a qualified specialist workshop.
00B2 Engine Oil Reduce Oil Level *D
isplay message only for cer tain engines:
The engine oil le vel is too high.
* NO
TEEngine dama gecaused bydriving with excess engine oil #
Avoid long journe yswith excess engine oil. #
Consult a qualified specialist workshop immediately and ha vethe engine oil siphoned off.
00B2 Engine Oil Level Low Stop
Vehicle Turn Engine Off *D
isplay message only for cer tain engines:
The engine oil le vel is too lo w.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. Display messages and
warning/indicator lamps 445

Display messages
Possible causes/consequences and 0050
0050Solutions
0077 Tire Press. Monitor Cur-
rently Unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tire pressure sensor are
re cei ved. The tire pressure monitoring sy stem is temp orarily una vailable. #
Drive on.
The tire pressure monitoring sy stem restarts automatically as soon as the cause has been rectified.
0077
Wheel Sensor(s) Missing *T
he tire pressure sensor signal is missing from one or more tire(s). The pressure of the af fected tire is not dis‐
pl ay ed. #
Have the defective tire pressure sensor replaced at a qualified specialist workshop.
0077
Tire Pressure Monitor Inop-
erative No Wheel Sensors *T
he wheels ins talled do not ha vesuitable tire pressure sensors. The tire pressure monitoring sy stem is deactivated. #
Install wheels with suitable tire pressure sensors.
0077 Tire Press. Monitor Inopera-
tive *T
he tire pressure monitoring sy stem is defective. &
WARNING Thereis a risk of an accident if the tire pressure monitoring sy stem is malfunctioning
If th e tire pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss
in one or more of the tires.
Und erinflated tires ma y,forex ample, impair the driving, steering and braking characteristics. 452
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
0049 Automatic Headlamp Mode
Inoperative *T
he light sensor is faulty. #
Consult a qualified specialist workshop.
Adaptive Highbeam Assist
Inoperative *A
daptive Highbeam Assist is malfunctioning. #
Visit a qualified specialist workshop.
Adaptive Highbeam Assist
Currently Unavailable See
Operator's Manual *A
daptive Highbeam Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (→ page114). #
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. The Adaptive Highbeam
Assist Now Available display message appears.
Adaptive Highbeam Assist
Camera View Restricted
See Operator's Manual *T
he camera view is restricted. Possible causes are:
R Dirt on the windshield in the camera's field of vision
R Heavy rain, snow or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: Display messages and
warning/indicator lamps 463

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
If th e fuel filler cap has already been closed cor rectly: #
Visit a qualified specialist workshop.
00B6 Fu elreser ve wa rning lamp The
yellow fuel reser vewarning lamp is lit while the engine is running.
The fuel supply has dropped into there ser verange. #
Refuel.
00AC
Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes are:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded the maximum permissible temp erature. &
WARNING Danger of bu rns when opening the hood
If yo u open the hood when the engine has overheated or during a fire inthe engine compartment, you could come
into contact with hot gases or other escaping operating fluids. #
Before opening the hood, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service. Display messages and
warning/indicator lamps 473

Breakdown
see Flat tire
Burmes ter®
high-end Sur round sound
sy stem
Ad justing the balance/fader ............... 335
Ad justing the sound optimization ........ 335
Ad justing treble, mid-range and bass
settings ............................................... 334
Au tomatic volume adjustment ............ .335
Calling up the sound menu .................. 334
Information .......................................... 334
Selecting the sound profile .................. 335
Burmes ter®
sur round sound sy stem .....3 33
Ad justing the balance/fader ............... 334
Ad justing the sound focus ................... 334
Ad justing treble, mid-range and bass
settings ............................................... 334
Au tomatic volume adjustment ............ .334
Calling up the sound menu .................. 333
Information .......................................... 333
Switching the sur round sound on/off
............................................................ .334
Buttons Steering wheel .....................................2 11 C
Call list Making a call ...................................... .295
Overview ............................................. 294
Calling up the sound menu
Burmes ter®
high-end Sur round
sound sy stem ...................................... 334
Burmes ter®
sur round sound sy stem ... 333
Calls ..........................................................2 91
Ac cepting ............................................ 291
Ac tivating functions du ring a call ......... 291
Calls wi thseveral participants ............ .291
Declining ............................................. 291
Ending a call ....................................... .291
Incoming call during an existing call .... 292
Making ................................................ .291
Vi ath eove rhead control panel
(Mercedes me connect) ......................3 02
Camera see 360° Camera
see Rear view camera
Car key
see SmartK ey Car
wash
see Care
Car wash (care) ....................................... 343
Care ..........................................................3 54
Air-water duct ...................................... 343
Au tomatic car wash ............................. 343
Carpet .................................................3 54
Deco rative foil .................................... .347
Displ ay................................................ 354
Exterior lighting ................................... 352
Fo lding draft stop ................................ 352
Headliner ............................................. 354
Matte finish ......................................... 346
Night View Assi st................................ 349
Pa int wo rk ............................................ 346
Plastic trim .......................................... 354
Po we rwa sher ...................................... 344
Re alwo od/trim elements ...................3 54
Re ar view camera ................................ 352
Seat belts ............................................ 354
Seat co ver ........................................... 354
Sensors ............................................... 352
Soft top ...............................................3 50
Ta ilpipes .............................................. 352
Wa shing byhand ................................. 344 482
Index

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