2019 MERCEDES-BENZ S-CLASS CABRIOLET engine

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. #
Drive on carefully. #
Obser vethe messages on the multifunction displa y. #
Visit a qualified specialist workshop.
00BB ESP ®
OFF warning lamp The
yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deacti vated. &
WARNING Risk of skidding when driving wi thESP ®
deacti vated
If ESP ®
is deactivated, ESP ®
cannot car ryout vehicle stabilization. The availability of fur ther driving saf ety sy stems
is also limited. #
Drive on carefull y. #
Only deactivate ESP ®
for as long as the situation requ ires.
If ESP ®
cannot be activated, ESP ®
is malfunctioning. #
Have ESP ®
ch ecked immediately at a qualified specialist workshop. #
Obser vethe no tes on deactivating ESP ®
(→ page 156). Displ
aymessa ges and warning/indicator lamps 469

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
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

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

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

Sound settings .................................... 298
Tr ans ferred vehicle data ......................3 00
Ashtr ay
Fr ont center console ........................... 106
Assistance sy stems
see Driving saf ety sy stem
Assistant display Menu (on-board computer) .................. 215
ASS YST PLUS ........................................... 336
Battery disconnection pe riods .............3 37
Displ aying the service due date ........... 336
Fu nction/no tes ................................... 336
Re gular maintenance work .................. 336
Special service requirements .............. 336
ATA (anti-theft ala rmsystem) .................. 84
Deactivating the alarm .......................... 84
Fu nction ................................................ 84
AT TENTION ASSI ST.......................... 196, 197
Fu nction .............................................. 19 6
Setting ................................................. 197
Sy stem limitations ...............................1 96
At tention assistant
see ATTENTION ASSIST Au
dio mode
Ac tivating media mode ........................ 313
Connecting USB devices ...................... 316
Copyrights .......................................... .313
Information .......................................... 312
Inserting/removing an SD card ........... 313
Media sear ch....................................... 319
Overview ..............................................3 15
Pa use and playback function .............. .316
Selecting a track .................................. 316
Selecting pl ayback options .................. 316
Tr ack list .............................................. 316
Au thorized Mercedes-Benz Center
see Qualified specialist workshop
Au thorized workshop
see Qualified specialist workshop
Au tomatic activation
Switching on/o ff................................. 201
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ..........................11 2
Au tomatic engine start (ECO start/
sto p function) .......................................... 13 6Au
tomatic engine stop (ECO start/
sto p function) .......................................... 13 6
Au tomatic front passen ger front air‐
bag shu toff .......................................... 40, 42
Fu nction of the automatic front
passenger front airbag shutoff .............. 40
PA SSENGER AIR BAG indicator lamp .... .42
Au tomatic front passen ger front air‐
bag shu toff
see Automatic front passenger front
airbag shutoff
Au tomatic lateral support adjustment
Setting ................................................... 90
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .121
Au tomatic transmission
DIRECT SELECT le ver ........................... 13 9
Drive program display .......................... 13 8
Drive programs .................................... 13 8
DY NA MIC SELECT switch .................... 13 8
Engaging drive position ........................ 141
Engaging neutral .................................. 14 0
Engaging pa rkposition .........................1 41
Engaging reve rsege ar ........................ .140 480
Index