2019 MERCEDES-BENZ S-CLASS CABRIOLET Owner's Manual

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
Seat belt warning lamp
lights up If
yo u ha veplaced objects on the front passenger seat, the seat belt warning lamp may remain lit.
0076 Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermit tent wa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion. #
Fasten your seat belt(→ page 36).
There are objects on the front passenger seat. #
Remo vethe objects from the front passenger seat. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00CC Suspension warning lamp The
yellow AIRMATIC/Active Body Cont rolwa rning lamp is on.
There is a malfunction in AIRMATIC/the Active Body Control sy stem. #
Obser vethe messages on the multifunction displa y.
L
Wa rning lamp for dis tance
wa rning function The
red dis tancewarning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the dis tance. Display messa
ges and warning/indicator lamps 471

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
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

1,
2, 3 ...
4MATIC ..................................................... 14 3
Fu nction .............................................. 14 3
12 V battery
see Battery (vehicle)
12 V so cket
see Soc ket (12 V)
360° Camera ........................................... 187
Fu nction .............................................. 187
Opening the camera co ver (rear view
camera) .............................................. .190
Selecting a view ................................... 189
Setting favo rite s ..................................1 90A
A/C function Activating/deactivating (multimedia
sy stem) ................................................ 12 3
Switching on/off (control panel) ......... 12 3
ABS (Anti-lock Braking Sy stem) ............ .156
Ac celeration
see Kickdown Ac
cident and breakdown manage‐
ment
Mercedes me connect ........................ .303
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 59
Ac tivating/deactivating automatic
vo lume adjustment
Burmes ter®
sur round sound sy stem ... 334
Ac tive Blind Spot Assi st......................... 202
Brake application ................................. 204
Fu nction .............................................. 202
Switching on/o ff................................. 205
Sy stem limitations ...............................2 02
Ac tive Brake Assi st
Fu nction/no tes ................................... 15 9
Setting ................................................. 16 3
Ac tive Di stance Assist DIST RONIC ........ 16 6
Ac tive Emergency Stop Assist .............. 175
Ac tive Lane Change Assi st................... 174
Calling up a speed .............................. .168
Displ ays in the Instrument Display .......1 75
Fu nction .............................................. 16 6
Increasing/decreasing speed ..............1 68
Re quirements ...................................... 16 8Ro
ute-based speed adap tation ........... .170
St eering wheel buttons ........................ 16 8
St oring a speed ................................... 16 8
Switching off/deacti vating .................. 16 8
Switching on/activating ...................... 16 8
Sy stem limitations ...............................1 66
Ac tive Eme rgency Stop Assist ................ 175
Ac tive hood (pedestrian pr otection) ...... 337
Me thod of operation ............................3 37
Re setting ............................................. 337
Ac tive Lane Change Assi st...................... 174
Ac tivating/deactivating ...................... .175
Fu nction ............................................... 174
Ac tive Lane Keeping Assist .................... 205
Ac tivating/deactivating ...................... .207
Ac tivating/deactivating thewa rning .. .208
Fu nction .............................................. 205
Setting the sensitivity .......................... 208
Sy stem limitations ...............................2 05
Ac tive Park ing Assist .............................. 19 0
Cross Traf fic Alert ................................ 19 5
Drive AwayAssi st................................ 194
Exiting a pa rking space ........................ 19 3
Fu nction .............................................. 19 0 Index
477

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