2019 MERCEDES-BENZ S CLASS Owners Manual

Display messagesPossible causes/consequences andPPSolutions
#Never drive withthe trunk lid open.
#Closethe trunk lid.

Display messagesPossible causes/consequences andPPSolutions
#Openthe windowtoensurethatthere is an adequate supply of fresh air.
#Visit aqualified specialistworkshop immediately.
Lights
Display messagesPossible causes/consequences andPPSolutions
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Intell. Light System Inoper-ative
*The Intelligent Light System is defective. The lighting system continuestofunction properly withoutthe functions ofthe Intelligent Light System.
#Visit aqualified specialistworkshop.
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Check Left LowBeam(Example)
*The corresponding light source is defective.
#Drive on carefully.
#Visit aqualified specialistworkshop immediately.
%LED light bulbs:the display messageforthe corresponding lamp appearsonly when allthe light-emitting diodesinthe lamp havefailed.
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*The active headlamps are defective.
#Visit aqualified specialistworkshop.
520Display messages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions
Active Headlamps Inopera-tive
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Switch Off Lights
*You are leavingthevehicle andthe lights arestill switched on.
#Turnthe light switchtotheXposition.
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Malfunction See Opera-tor’s Manual
*Theexterior lighting is defective.
#Visit aqualified specialistworkshop.
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Switch On Headlamps
*You are driving without low-beam headlamps.
#Turnthe light switchtotheXorXposition.
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Automatic Headlamp ModeInoperative
*The light sensor isfaulty.
#Consult aqualified specialistworkshop.
Display messages andwarning/indicator lamps521

Display messagesPossible causes/consequences andPPSolutions
Adaptive Highbeam AssistInoperative
*Adaptive Highbeam Assist is malfunctioning.
#Visit aqualified specialistworkshop.
Adaptive Highbeam AssistCurrently Unavailable SeeOperator's Manual
*Adaptive Highbeam Assist istemporarily unavailable.
The system limits havebeenreached (→page148).
#Drive on.Oncethe cause ofthe problem is no longer present,the system will beavailable again. TheAdaptive HighbeamAssist Now Availabledisplay message appears.
Adaptive Highbeam AssistCamera View RestrictedSee Operator's Manual
*The camera view isrestricted.Possible causes are:
RDirt onthe windshield inthe camera'sfield of vision
RHeavyrain, snow orfog
Driving systems and driving safety systems may be malfunctioning ortemporarily unavailable.
Oncethe cause ofthe problem is no longer present, driving systems and driving safety systems will beavailableagain.
Ifthe display message does not disappear:
#Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions.
#Cleanthe windshield.
522Display messages andwarning/indicator lamps

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.
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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
#Observethe messages onthe multifunction display.
#Visit aqualified specialistworkshop.
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Red indicator lamp, electricparking brake applied (USAonly)
$
Red indicator lamp, electricparking brake applied (Can‐ada only)
$
Yellow electric parkingbrake indicator lamp is mal‐functioning
Thered electric parking brake indicator lampflashes or is lit. Theyellow indicator lamp is also lit ifthe electric parkingbrake malfunctions.
#Observethe messages onthe multifunction display.
526Display messages andwarning/indicator lamps