display MERCEDES-BENZ C CLASS 2019 Owners Manual

Display messagesPossible causes/consequences andPPSolutions

Display messagesPossible causes/consequences andPPSolutions
Active Lane Keeping AssistInoperative
Consult aqualified specialistworkshop.
Malfunction Drive at Max.50 mph
*AIRMATIC is functioning onlytoa limitedextent. Thevehicle's handlingcharacteristics may be affected.
NOTEThe tires ofthe front axle orthe frontfenderscould be damagedbylargesteering movements
Avoid largesteering movements while driving and listenfor scraping sounds.
Ifyou hear scraping sounds, pullover andstopthevehicle safely, paying attentiontoroad and traffic con‐ditions, and set a highervehicle level if possible.
Drive in a manner appropriateforthe current level, but do notexceed 50mph (80 km/h).
Visit aqualified specialistworkshop.DYNAMICBODYCONTROL is malfunctioning. Thevehicle's handlingcharacteristics may be affected.
Do not drive at speeds greaterthan 50mph (80 km/h).
Visit aqualified specialistworkshop.
Blind Spot Assist Not Avail-able When Towing a TrailerSee Operator's Manual
*Whenyou establishthe electrical connectiontothe trailer, Blind Spot Assist is unavailable.
Pressthe left-handTouch Control and acknowledgethe display message.

Display messagesPossible causes/consequences andPPSolutions
Stop Vehicle Vehicle TooLow
Pullover andstopthevehicle, paying attentiontoroad and traffic conditions.Thevehicle israisedtothe selectedvehicle level.
Wait untilthe display message disappears before pullingaway.
Ifthe display message does not disappear and awarningtone also sounds, AIRMATIC is malfunctioning:
Do not drivefasterthan 50mph (80 km/h) and consult aqualified specialistworkshop immediately.
NOTEThe tires ofthe front axle orthe frontfenderscould be damagedbylargesteering movements
Avoid largesteering movements while driving and listenfor scraping sounds.
Ifyou hear scraping sounds, pullover andstopthevehicle safely, paying attentiontoroad and traffic con‐ditions, and set a highervehicle level if possible.
Set a highervehicle level (page198).Depending onthe malfunction,thevehicle israised.
¢
Lowering
*Thevehicle level may be loweredforthefollowingreasons:
Ryou haveselected a different drive program.
Ryou haveexceeded a critical speed.
Ryou havechangedthevehicle levelbypressing a button.
454Display messages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions

Display messagesPossible causes/consequences andPPSolutions
Active Distance Assist Cur-rently Unavailable SeeOperator's Manual
*Active Distance AssistDISTRONIC istemporarily unavailable.
The ambient conditions are outsidethe system limits (page183).
Drive on.As soon asthe ambient conditions are withinthe system limits,the system will becomeavailable again.
Active Distance Assist Inop-erative
*Active Distance AssistDISTRONIC is malfunctioning.
Other driving systems and driving safety systems may also malfunction.
Visit aqualified specialistworkshop.
Active Distance Assist NowAvailable
*Active Distance AssistDISTRONIC is operational again and can be activated (page185).

Display messagesPossible causes/consequences andPPSolutions
Active Lane Keeping AssistCamera View RestrictedSee Operator's Manual
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.
Engine
Display messagesPossible causes/consequences andPPSolutions
=
See Operator's Manual
*The battery is not beingcharged.
NOTEPossible engine damage ifyou continue driving
Do not continue driving under any circumstances.
Consult aqualified specialistworkshop.
Display messages andwarning/indicator lamps457

Display messagesPossible causes/consequences andPPSolutions
Pullover andstopthevehicle safely and switch offthe engine, paying attentiontoroad and traffic conditions.
Consult aqualified specialistworkshop.
=
Stop Vehicle Leave EngineRunning
*The batterychargelevel istoo low.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions. Do notcontinue driving under any circumstances.
Leavethe enginerunning.
Wait untilthe display message disappears before pullingaway.
Check Coolant Level SeeOperator's Manual
*The coolant level istoo low.
NOTEEngine damageduetoinsufficient coolant
Avoid long journeyswith insufficient coolant.
Add coolant (page 357).
=
12 V Battery See Opera-tor's Manual
*The engine is off andthe batterychargelevel istoo low.
Switch off electrical consumersthat are notrequired.
Leavethe enginerunningfor afew minutes, or drivefor a longer distance.The battery willcharge.Ifthe message appears whilethe engine isrunning,this indicates an on-board electrical system malfunction.
Visit aqualified specialistworkshop.
458Display messages andwarning/indicator lamps

Display messagesPossible causes/consequences andPPSolutions
=
Stop Vehicle See Opera-tor's Manual
*The battery is no longer beingcharged andthe batterychargelevel istoo low.
NOTEPossible engine damage ifyou continue driving
Do not continue driving under any circumstances.
Consult aqualified specialistworkshop.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions. Do notcontinue driving under any circumstances.
Switch offthe engine.
Consult aqualified specialistworkshop.

Display messagesPossible causes/consequences andPPSolutions
Before openingthe hood, allowthe enginetocool down.
Intheevent of afireinthe engine compartment,keepthe hood closed and callthefireservice.
Wait untilthe engine has cooled down.
Make surethatthe air supplytotheradiator is not obstructed.
Avoiding high loads onthe engine, drivetothe nearestqualified specialistworkshop. In doing so, ensurethatthe coolanttemperature displayremains belowthered marking.

Engine oil
Display messagesPossible causes/consequences andPPSolutions