2019 MERCEDES-BENZ E CLASS engine

Display messagesPossible causes/consequences andPPSolutions
Untilthen, manually setthe transmissiontoposition]beforeyou switchoffthe engine.
Before leavingthevehicle, applythe electric parking brake.
Tires
Display messagesPossible causes/consequences andPPSolutions
Check Tire Pressure Soon*Canada only:
The tire pressure losswarning system has detected a significant loss in pressure.
\nWARNINGRisk 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.
Observetherecommended tire pressure.
Adjustthe tire pressure if necessary.
Stopthevehicle, paying attentiontoroad and traffic conditions.
460Display messages andwarning/indicator lamps

SmartKey
Display messagesPossible causes/consequences andPPSolutions
Á
Key Not Detected(red dis‐play message)
*The SmartKeycannot be detected and may no longer be inthevehicle.
The SmartKeyis no longer inthevehicle andyou switchoffthe engine:
RYou can no longerstartthe engine.
RYou cannot centrally lockthevehicle.
Make surethatthe 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 (→page139).
Á
Obtain a New Key
*The SmartKeyneedstobereplaced.
Visit aqualified specialistworkshop.
Á
Key Not Detected(whitedisplay message)
*The SmartKeyis currently undetected.
Changethe location ofthe SmartKeyinthevehicle.
Ifthe SmartKeyisstill notrecognized,startthe engine withthe SmartKeyinthe marked space (→page139).
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Display messagesPossible causes/consequences andPPSolutions
Adaptive Highbeam AssistCurrently Unavailable SeeOperator's Manual
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.
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 ifthey
light up orflash afterthe engine has beenstar‐ted or during a journey.
Displaymessages andwarning/indicator lamps473

Warning/indicator lampPossible causes/consequences andPPSolutions
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Brakewarning lamp (USA)
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Brakeswarning lamp (Can‐ada)
Thered brake systemwarning lamp is lit whilethe engine isrunning.
Possible causes are:
RThe brakeforce boosting is malfunctioning andthe brakingcharacteristics may be affected.
RThereis not enough brakefluid inthe brakefluidreservoir.
\nWARNINGRisk of accident and injuryif brakeforce boosting is malfunctioning
If brakeforce boosting is malfunctioning, increased brake pedalforce may be necessaryfor braking. The brakingcharacteristics may be impaired. The braking distance can increase in emergency braking situations.
Stop in a safe location immediately. Do not continue driving.
Consult aqualified specialistworkshop.
\nWARNINGRisk of an accident duetolow brakefluid level
Ifthe brakefluid level istoo low,the braking effect andthe brakingcharacteristics may be impaired.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions. Donot continue driving under any circumstances.
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.
Display messages andwarning/indicator lamps477

Warning/indicator lampPossible causes/consequences andPPSolutions
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.
\nWARNINGThereisrisk 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.
Observethe messages onthe multifunction display.
Visit aqualified specialistworkshop.

Warning/indicator lampPossible causes/consequences andPPSolutions
ESP®warning lamp lightsup
Other driving systems and driving safety systems may also malfunction.
\nWARNINGRisk of skidding if ESP®is malfunctioning
If ESP®is malfunctioning, ESP®cannot carryoutvehiclestabilization. In addition,other driving safety systems areswitched off.
Drive on carefully.
HaveESP®checked at aqualified specialistworkshop.
Drive on carefully.
Observethe messages onthe multifunction display.
Visit aqualified specialistworkshop.
u
Restraint systemwarninglamp
Theredrestraint systemwarning lamp is lit whilethe engine isrunning.
Therestraint system isfaulty (→page 32).
\nWARNINGRisk of injuryorfatal injury duetoa malfunction intherestraint system
Iftherestraint system is malfunctioning,restraint system components may be triggered unintentionally or might notbe triggered at all intheevent of an accident. This may affectthe EmergencyTensioning Device or airbag,forexam‐ple.
Havetherestraint systemchecked andrepaired immediately at aqualified specialistworkshop.
Drive on carefully.
Display messages andwarning/indicator lamps47 9

Warning/indicator lampPossible causes/consequences andPPSolutions
Observethe messages onthe multifunction display.
Visit aqualified specialistworkshop immediately.
Seat belts
Warning/indicator lampPossible causes/consequences andPPSolutions
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.
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.
480Display messages andwarning/indicator lamps

Engine
Warning/indicator lampPossible causes/consequences andPPSolutions