engine MERCEDES-BENZ S CLASS 2019 Manual Online

Display messagesPossible causes/consequences andPPSolutions
Top up engine oil (→page 400).
Notes on engine oil (→page470).

Display messagesPossible causes/consequences andPPSolutions
#Leavethe enginerunning.
#Wait untilthe display message disappears before pullingaway.
To Deselect P or N,Depress Brake and StartEngine
*You haveattemptedtoshiftthe transmission out of position]or\\into another transmission position.
#Depressthe brake pedal.
#Startthe engine.
Apply Brake to Shift from'P'
*You haveattemptedtoshiftthe transmission out of position]and into another transmission position.
#Depressthe brake pedal.
Service Required Do NotShift Gears Visit Dealer
*The transmission is malfunctioning. The transmission position can no longer be shifted.
#Whenthe transmission is in position[, consult aqualified specialistworkshop and do notchangethe trans‐mission position.
#For allother transmission positions, parkthevehicle safely.
#Consult aqualified specialistworkshop or breakdown service.
Reversing Not PossibleService Required
*The transmission is malfunctioning.Reversegear can no longer be engaged.
#Visit aqualified specialistworkshop.
Auxiliary Battery Malfunc-tion
*The auxiliarybatteryforthe transmission is no longer beingcharged.
#Visit aqualified specialistworkshop.
#Untilthen, manually setthe transmissiontoposition]beforeyou switchoffthe engine.
#Before leavingthevehicle, applythe electric parking brake.
Display messages andwarning/indicator lamps509

Display messagesPossible causes/consequences andPPSolutions
N Permanently Active Riskof Rolling Away
*Whilethevehicle isrolling or whileyou are driving,the transmission has been shiftedtoposition\\.
#Depressthe brake pedaltostop and, whenthevehicle isstationary,shiftthe transmissiontoposition].
#Tocontinueyour journey,shiftthe transmissiontoposition[or^.
Only Shift to 'P' when Vehi-cle is Stationary
*The transmission can only be shiftedtoposition]whenthevehicle isstationary.
Driver's Door Open &Transmission Not in P Riskof Vehicle Rolling Away
*The driver's door is not fully closed andthe transmission is in position^,\\or[.
#Shiftthe transmissiontoposition]whenyou parkthevehicle.
To Engage Transmiss. Posi-tion R First Depress theBrake
*You havetriedtoswitchtotransmission position^.
#Depressthe brake pedal.
#Shiftthe transmissiontoposition^.
Shift to 'P'*Shiftthe selector levertoposition].
#Pullover andstopthevehicle.
#Shiftthe transmissiontoposition].
Shift to 'P' or 'N' to StartEngine
*You havetriedtostartthe engine in transmission position]or\\.
#Shiftthe transmissiontoposition]or\\.
51 0Displaymessages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions
#Ensurethatthe SmartKeyis inthevehicle.
Ifthe SmartKeydetection function has a malfunction duetoastrongradio signal source:
#Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions.
#Placethe SmartKeyinthe marked spaceforstartingthe engine withthe SmartKey (→page169).

Warning and indicator lamps
Overview ofwarning and indicator lamps
Some systems will performa self-test whentheignition is switched on. Somewarning and indi‐cator lamps may brieflylight up orflash. Thisbehavior is non-critical. Thesewarning and indi‐cator lamps indicate a malfunction only iftheylight up orflash afterthe engine has beenstar‐ted or during a journey.
Instrument Display
Progressive setting
Ifyou selectthe progressive display setting,thepositions ofthe indicator lamps onthe instru‐ment display willchange.
Warning and indicator lamps:XLow beam(→page145)
`Parking lights (→page145)
WHigh beam(→page146)
>=Turnsignal lights(→page146)
^Rearfog light(→page145)
uRestraint system(→page 524)

Warning/indicator lampPossible causes/consequences andPPSolutions
#Consult aqualified specialistworkshop.
#Do not add brakefluid.
#Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions. Do notcontinue driving under any circumstances.
#Observethe messages onthe multifunction display.
#Consult aqualified specialistworkshop.
%
ABSwarning lamp
Theyellow ABSwarning lamp is lit whilethe engine isrunning.
ABS is malfunctioning.
Ifthere is an additionalwarningtone, EBD is malfunctioning.
Other driving systems and driving safety systems may also malfunction.
&WARNINGThereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning,the wheels could lock when braking
Thesteering capability and brakingcharacteristics arethus severelyimpaired. The braking distance in an emer‐gency braking situation can increase. In addition,other driving safety systems are switched off.
#Drive on carefully.
#Havethe brake systemchecked immediately at aqualified specialistworkshop.
#Drive on carefully.
Display messages andwarning/indicator lamps525

Warning/indicator lampPossible causes/consequences andPPSolutions
#Havetherestraint systemchecked andrepaired immediately at aqualified specialistworkshop.
#Drive on carefully.
#Observethe messages onthe multifunction display.
#Visit aqualified specialistworkshop immediately.
Seat belts
Warning/indicator lampPossible causes/consequences andPPSolutions
v
Seat beltwarning lamplights up
Thered seat beltwarning lamp will light upfor six seconds oncethe engine hasstarted.
In addition, awarningtone may sound.
The seat beltwarning lampremindsthe driver and front passengertofastentheir seat belts.
#Fastenyour seat belt (→page37).
Ifyou haveplaced objects onthe front passenger seat,the seat beltwarning lamp mayremain lit.
v
Seat beltwarning lampflashes
Thered seat beltwarning lampflashes and an intermittentwarningtone sounds.
The driver or front passenger has notfastenedtheir seat belt whilethevehicle is in motion.
#Fastenyour seat belt(→page37).There are objects onthe front passenger seat.
#Removethe objects fromthe front passenger seat.
Display messages andwarning/indicator lamps529

Warning/indicator lampPossible causes/consequences andPPSolutions
Engine diagnosiswarninglampIn somestates, legalrequirementsstipulatethatyou must immediately consult aqualified specialistworkshop as soonastheyellow Check Enginewarning lamp lights up.
#Havethevehiclechecked as soon as possible at aqualified specialistworkshop.
=
Electrical malfunctionwarn‐ing lamp
Thered electrical malfunctionwarning lamp is lit.
There is a malfunction inthe electrics.
#Observethe messages onthe multifunction display.

Warning/indicator lampPossible causes/consequences andPPSolutions
or
#Exitthevehicle andkeep a safe distance from it untilthe engine has cooled down.
#Checkthe coolant level (→page 401).
#Make surethatthe air supplytotheradiator is not obstructed.
#Avoiding high loads onthe engine, drivetothe nearestqualified specialistworkshop. In doing so, ensurethatthecoolanttemperature displayremains belowthered area.
Tires
Warning/indicator lampPossible causes/consequences andPPSolutions
w
Tirepressure monitoringsystemwarning lamp lightsup
Theyellow tire pressure monitoring systemwarning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring system has detected tire pressure loss in at least one ofthe tires.
&WARNINGRisk of an accident duetoinsufficient tire pressure
Tirepressuresthat aretoo low posethefollowing hazards:
RThe tires may burst, especially asthe load andvehicle speed increase.
RThe tires maywearexcessively and/or unevenly,which may greatly impair tire traction.
RThe drivingcharacteristics, aswell assteering and braking, may be greatly impaired.
You couldthen lose control ofthevehicle.
Display messages andwarning/indicator lamps533

Maneuvering assistance ...................... 237Parking ................................................ 233System limitations ...............................231
Active Service System PLUSsee ASSYSTPLUS
Active Speed Limit Assist....................... 206Display ................................................ 206Function .............................................. 206
ActiveSteering Assist.............................208Activating/deactivating .......................210Active EmergencyStop Assist ..............212Active Lane Change Assist...................210Displays inthe Instrument Display .......212Function .............................................. 208System limitations ...............................208
Adaptive cruise controlseeActive Distance AssistDISTRONIC
Adaptive Highbeam AssistFunction ..............................................14 8Switching on/off .................................14 9
AdditionalvaluerangeSetting display content ........................ 254
Additives..................................................470Engine oil .............................................470Fuel .....................................................470
Additives (engine oil)seeAdditives
Additives (fuel)seeFuel
Address booksee Contacts
Adjusting the balance/fader
Burmester®high-end 3D surroundsound system ......................................377
Burmester®surround sound system ....376
Adjusting the bass, mid-range andtreble
Burmester®high-end 3D surroundsound system ......................................376
Adjusting the mid-range, treble andbass
Burmester®high-end 3D surroundsound system ......................................376
Adjusting the soundfocus
Burmester®surround sound system ....376
Adjusting the sound optimization
Burmester®high-end 3D surroundsound system ......................................377
Adjusting treble, mid-range and basssettings
Burmester®high-end 3D surroundsound system ......................................376
Burmester®surround sound system ....376
ADS PLUS damping systemsee AIRMATIC
After-sales service centersee ASSYST PLUS
Air bagReduced protection ...............................40
Air distributionSetting (multimedia system) ................161
Air freshener systemseePerfume atomizer
Air inletsee Air-water duct
Air pressureseeTirepressure
Index537