2019 MERCEDES-BENZ S-CLASS CABRIOLET check engine

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0075 Re stra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is defective (→ page 30). &
WARNING Risk of inju ryor fata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or might not
be triggered at all in theev ent of an accident. This may af fect the Emer gency Tensioning Device or airbag, forex am‐
ple. #
Have there stra int sy stem checked and repaired immediately at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Visit a qualified specialist workshop immediatel y.Seat belts
Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0076 The
red seat belt warning lamp will light up for six seconds once the engine has star ted.
In addition, a warning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt (→ page 36).47 0
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
Ac tive Brake Assi st .Engine
Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00B9 Engine diagnosis warning
lamp The
yellow Check Engine warning lamp is lit while the engine is running.
A malfunction has occu rred in the engine, theex haust sy stem or the fuel sy stem.
The emission limit values may be exceeded and the engine may be in emer gency mode.
In some states, legal requ irements stipulate that you must immediately consult a qualified specialist workshop as soon
as theye llow Check Engine warning lamp lights up. #
Have theve hicle checked as soon as possible at a qualified specialist workshop.
003D Electrical malfunction warn‐
ing lamp The
red elect rical malfunction warning lamp is lit.
There is a malfunction in the electrics. #
Obser vethe messages on the multifunction displa y.
00B6
Fu elreser ve wa rning lamp The
yellow fuel reser vewarning lamp lights up while driving.
There has been pressure loss in the fuel sy stem. The fuel filler cap is not closed cor rectly or the fuel sy stem is leaking. #
Close the fuel filler cap. 472
Displaymessa ges and warning/indicator lamps

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 #
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

Setting
the fragrance sy stem ............... 12 5
Ve ntilating theve hicle (con venience
opening) ................................................. 74
Climate style
Fu nction ............................................... 124
Setting ................................................. 124
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
COMAND see Multimedia sy stem
COMAND Touch
Managing devices ................................ 251
Combination switch .................................11 2
Compass .................................................. 283
Compu ter
see On-board computer
Connection status
Displ aying ............................................ 308
Overview ............................................ .307 Connectivity
Swit ching transmission of theve hicle
position on/off .................................... 24 8
Contacts .................................................. .292
Calling up ............................................ 293
Deleting ............................................... 294
Downloading (from mobile phone) ...... 292
Importing ............................................ 293
Importing (o verview) .......................... .293
Information .......................................... 292
Making a call ....................................... 294
Na me form at ...................................... .293
Options ................................................ 294
St oring .................................................2 94
Controller Operating ............................................ 239
Con venience closing feature .................... 75
Con venience opening ................................ 74
Coolant (engine) Check le vel .......................................... 341
Filling capacity .................................... .414
No tes ................................................... 414
Copyright Licenses ................................................ 29 Tr
ademar ks............................................ 29
Co rnering light function ..........................11 4
Cross Traf fic Alert .................................. .195
Crosswind Assist Function/no tes ................................... 15 9
Cruise control .......................................... 16 4
Buttons ................................................ 16 5
Calling up a speed .............................. .165
Fu nction .............................................. 16 4
Re quirements: .................................... .165
Selecting ............................................. 16 5
Setting a speed ................................... 16 5
St oring a speed ................................... 16 5
Switching off ....................................... 16 5
Switching on ........................................ 16 5
Sy stem limitations ...............................1 64
Cup holder .............................................. .105
Ins talling/ removing (center console) ... 105
Re ar passenger compartment ............ .105
Cus tomer Assi stance Center (C AC)........ .24
Cus tomer Relations Department .............24 484
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

Emer
gency
Overview of the help functions .............. 16
Re flective saf etyve st .......................... 356
Eme rgency braking ................................ .153
Emer gency braking
see BAS (Brake Assi stSystem)
Emer gency call sy stem
see Mercedes-Benz emer gency call sy stem
Emer gency engine start .......................... 372
Emer gency key
Locking a door ....................................... 65
Un locking a door .................................. .65
Emer gency operation mode
St arting theve hicle ............................. 13 2
Emer gency release
Tr unk lid (from inside) ............................ 71
Emer gency Tensioning Devices
Ac tivation .............................................. 31
ENERGIZING comfort Overview of programs ........................ .257
St arting the program ........................... 258
Engine ECO start/ stop function ......................1 36Engine number ...................................
.408
St arting (eme rgency operation
mode) .................................................. 13 2
St arting (Remo teOnline) ..................... 13 3
St arting (s tart/s top button) .................1 31
St arting assis tance .............................. 366
Switching off (s tart/s top button) ........ 14 5
Engine data Displaying ............................................ 13 9
Engine number ........................................ 408
Engine oil ................................................ .340
Ad ditives .............................................. 412
Capacity .............................................. .413
Checking the oil le vel using the on-
board computer ................................... 340
MB-Fr eigabe or MB-Appr oval .............. .413
Quality ................................................. 413
To pping up ...........................................3 40
Entering characters
Fu nction/no tes ................................... 24 4
ESC (Electronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assist ................................. 15 9ESP
®
(Electronic Stability Prog ram) ...... 15 6
Ac tivating/deactivating ...................... .159
Fu nction/no tes ................................... 15 6
Exterior lighting Care .................................................... 352
Exterior lighting see Lights
Exterior mir rors ................................ 119, 12 0
Anti-gla remode (auto matic) ............... .120
Au tomatic mir rorfo lding function ........ 121
Fo lding in/out ...................................... 11 9
Operating the memory function ............ 98
Pa rking position .................................. .121
Setting ................................................. 11 9
External device Locking (child saf ety lock) .................. .251
Eyeglasses compa rtment ...................... .102 F
Fa tigue de tection
see ATTENTION ASSIST
Favo rites
Ad ding .................................................2 42 Index
491