2019 MERCEDES-BENZ S-CLASS CABRIOLET tire pressure

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 #
Have the tire pressure monitoring sy stem checked at a qualified specialist workshop. #
Visit a qualified specialist workshop.
Tires Overheated *A
t least one tire is overheating. The af fected tires are displ ayed in red. At temp eratures close tothe limit value, the
tires are displa yed in yello w. #
Drive more sl owly.
Decrease Speed *A
t least one tire is overheating. The af fected tires are displ ayed in red. At temp eratures close tothe limit value, the
tires are displa yed in yello w. &
WARNING Risk of an accident from driving wi thove rheated tires
Overheated tires may bur st, particularly at high speeds. #
Reduce speed so that the tires cool down. #
Reduce speed so that the tires cool down. Display messages and
warning/indicator lamps 453

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions #
Pull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Obser vethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop.
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (→ page 341). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below there d area. Ti
res Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0077 The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring sy stem has de tected tire pressure loss in at least one of the tires. 474
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
Ti re pressure monitoring
sy stem warning lamp lights
up &
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
R The tires may bur st, especially as the load and vehicle speed increase.
R The tires may wearexc essively and/or une venly, which may greatly impair tire traction.
R The driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tire pressure. #
Adjust the tire pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tire pressure and the tires.
0077 Ti re pressure monitoring
sy stem warning lamp
fl ashes The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) flashes for appro ximately one
minute and then remains lit.
The tire pressu remonitoring 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.
Un derinflated tires ma y,forex ample, impair the driving, steering and braking characteristics. Display messages and
warning/indicator lamps 475

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions #
Have the tire pressure monitoring sy stem checked at a qualified specialist workshop. #
Visit a qualified specialist workshop. Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00CC Po we rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp is lit while the engine is running.
The po wer-assis tedsteering or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardized. #
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. #
Obser vethe messages on the multifunction displa y.476
Displaymessa ges and warning/indicator lamps

Maneuvering assis
tance ...................... 19 6
Pa rking ................................................ 19 2
Sy stem limitations ...............................1 90
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 16 9
Displ ay................................................. 16 9
Fu nction .............................................. 16 9
Ac tive Steering Assist ............................ .172
Ac tivating/deactivating ...................... .173
Ac tive Emergency Stop Assist .............. 175
Ac tive Lane Change Assi st................... 174
Displ ays in the Instrument Display .......1 75
Fu nction ............................................... 172
Sy stem limitations ...............................1 72
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction ............................................... 11 4
Switching on/off .................................. 11 5
Ad ditional value range
Setting display content ........................ 213Ad
diti ves................................................... 412
Engine oil ............................................. 412
Fu el ...................................................... 412
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing the balance/ fader
Burmes ter®
high-end Sur round
sound sy stem ...................................... 335
Burmes ter®
sur round sound sy stem ... 334
Ad justing the bass, mid- range and
treble
Burmes ter®
high-end Sur round
sound sy stem ...................................... 334
Ad justing the mid- range, treble and
bass
Burmes ter®
high-end Sur round
sound sy stem ...................................... 334
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 334 Ad
justing the sound optimization
Burmes ter®
high-end Sur round
sound sy stem ...................................... 335
Ad justing treble, mid- range and bass
settings
Burmes ter®
high-end Sur round
sound sy stem ...................................... 334
Burmes ter®
sur round sound sy stem ... 334
ADS PLUS damping sy stem
see AIRMATIC
Af ter-sales service center
see ASS YST PLUS
Air bag Reduced pr otection ...............................40
Air distribution Setting (multimedia sy stem) ................1 24
Air freshener sy stem
see Perfume atomizer
Air inlet see Air-water duct
Air pressu re
see Tire pressure 478
Index

Blind Spot Assi
stNot Available When
To wing a Trailer See Operator's Man‐
ual ...................................................... .437
0027 Check Brake Fluid Le vel.............. 424
Check Brake Pads See Operator's
Manual ................................................ 432
Check Coolant Le vel See Operator's
Manual ................................................ 442
00B2 Check Engine Oil AtNext Refu‐
eling .................................................... 447
00B2 Check Engine Oil Le vel (Add 1
qu art) .................................................. 446
0049 Check Left Low Beam (Exam‐
ple) ...................................................... 461
0077Check Tire s ................................. 451
00B2Check Washer Fluid .................... 458
0059 Convertible Top Lo wering ........... 460
0059 Convertible Top Operation Pos‐
sible to37 mph................................... 460 00ACCoolant
Too Hot Stop Vehicle
Tu rn Engine Off ................................... 444
Cruise Control Inoperative ...................441
Cruise Control Off ...............................440
0025Cu rrently Un available See Oper‐
ator's Manual ...................................... 425
00E5Cur rently Una vailable See Oper‐
ator's Manual ...................................... .419
Decrease Speed .................................. 453
00AFDon't Forget Your Key................ .455
Drive More Slowly ............................... 433
Driver's Door Open & Transmission
Not in P Risk of Vehicle Rolling Away ..449
00B3 Engine Oil Le vel Cann otBe
Measured ............................................ 445
00B2 Engine Oil Le vel Low Stop Vehi‐
cle Turn Engine Off .............................. 445
00B2 Engine Oil Pressure Stop Switch
Off Engine ...........................................4 46
00B2Engine Oil Reduce Oil Le vel........ .445 0075Fr
ont Left Malfunction Service
Re quired (Example) ............................ .428
006FFr ont Left Seat Backrest Not
Lo cked (Example) ................................ 456
Fr ont Passenger Airbag Disabled See
Operator's Manual ...............................4 30
Fr ont Passenger Airbag Enabled See
Operator's Manual ...............................4 29
00B6Fu el Level Low ............................ 443
00B6 Gas Cap Loose ............................ 442
0025 Inoperative See Operator's
Manual ................................................ 426
00E5Inoperative See Operator's
Manual ................................................ 427
007AInoperative See Operator's
Manual ................................................ 423
0053Inoperative .................................. 432
0049Intell. Light Sy stem Inoperative ... 461
00AFKe yNot De tected (white dis‐
pl ay messa ge).....................................4 54 Index
487

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