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Towingthevehicle with bothaxles ontheground
Observethe notes onthe permittedtowingmethods (→page375).
Makesurethatthe battery is connected andcharged.
Observethefollowing points whenthe battery isdischarged:
RThe engine cannotbestarted
RThe electric parking brake cannotbereleased or applied
RVehicles with automatic transmission:The automatic transmission cannot be shif‐tedtoposition \\or ].
Vehicles with automatic transmission:Ifthe automatic transmission cannotbe shif‐tedtoposition \\, orthe multifunction dis‐play inthe instrument cluster does not showanything, havethevehicle transportedaway(→page378).Atowingvehicle with liftingequipment isrequiredforvehicle transporta‐tion.
NOTEDamagedueto towingawayatexcessively high speeds orover long dis‐tances
The drivetrain could be damaged whentow‐ing atexcessively high speeds orover longdistances.
Atowing speed of 30mph (50 km/h)must not beexceeded.
Atowing distance of 30 miles (50 km)mustnot beexceeded.
\nWARNINGRisk of accident whentowingavehicle which istoo heavy
Ifthevehicle beingtow-started ortowedawayis heavierthanthe permissible grossmass ofyourvehicle,thefollowing situationscan occur:
RThetowingeye may become detached.
RThevehicle/trailer combination mayswerveorevenoverturn.
If anothervehicle istow-started ortowedaway, itsweight must notexceed
the permissible gross mass ofyourownvehicle.
If avehicle must betowstarted ortowedaway,its permissible gross mass must notexceedthepermissible gross mass ofthetowingvehicle. Information onthe permissible gross mass ofthevehicle can befound onthevehicle iden‐tification plate (→page417).
Vehicles with automatic transmission:Donot openthe driver's door or front passengerdoor,otherwisethe automatic transmissionautomatically shiftstoposition ]. Installingthetowingeye (→page 380).
Fastenthetow bar.
NOTEDamageduetoincorrect connec‐tion
Only connectthetowrope ortow bartothetowingeyes.
Deactivatingthe automatic locking mecha‐nism (→page 69).
Breakdown assistance377
Page 432 of 530
Display messagesPossible causes/consequences and P PSolutions
Theyellow $indicator lamp is lit andthered I(USA only) or $(Canada only) indicator lamp isflashing.The electric parking brake is malfunctioning.
The electric parking brake could not be applied orreleased.
Switchoffthe ignition and switch it back on.
Toapply:
Release andthen applythe electric parking brake manually (→page164).
Torelease:
Apply andthenreleasethe electric parking brake manually.
Ifthe electric parking brake cannotbe applied orthered I(USA only) or $(Canada only) indicator lampcontinuestoflash:
Do not continue driving under any circumstances. Consult aqualified specialistworkshop.
Where necessary,also safeguardthe parkedvehicle againstrollingaway.Theyellow $indicator lamp is on andthered Iindicator lamp (USA only) orthe $indicator lamp (Can‐ada only)flashesfor approximatelyten seconds afterthe electric parking brake has been applied orreleased. Itthenremains lit or goes out. The electric parking brake is malfunctioning.
Ifthe batterychargelevel istoo low:
Chargethe battery.
Toapply:
430Display messages andwarning/indicator lamps
Page 453 of 530
Engine
Display messagesPossible causes/consequences and P PSolutions
=
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.
Pullover andstopthevehicle safely and switch offthe engine, paying attentiontoroad and traffic conditions.
Consult aqualified specialistworkshop.
Check Coolant Level SeeOperator's Manual
*The coolant level istoo low.
NOTEEngine damageduetoinsufficient coolant
Avoid long journeyswith insufficient coolant.
Add coolant (→page 353).
=
*The batterychargelevel istoo low.
Pullover andstopthevehicle safely as soon as possible, paying attentiontoroad and traffic conditions. Do notcontinue driving under any circumstances.
Leavethe enginerunning.
Display messages andwarning/indicator lamps451
Page 454 of 530
Display messagesPossible causes/consequences and P PSolutions
Stop Vehicle Leave EngineRunning
Wait untilthe display message disappears before pullingaway.
=
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.
=
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.
Cannot Start Engine SeeOperator's Manual
*Thechargelevel ofthe 48 V battery istoo low.You can no longerstartthe engine.
Switch off electrical consumersthat are notrequired.
452Display messages andwarning/indicator lamps
Page 455 of 530
Display messagesPossible causes/consequences and P PSolutions
Connect a suitablecharger approvedbyMercedes-Benz with sufficientchargeoutputtothe jump-startconnec‐tion point ofthe12V battery (→page374).The 48 V batteryischarged viathevoltage converter inthevehicle.
Engine Can Now Be Started*The 48 V battery has beencharged automatically viathevoltage converter.
Startthe engine and drivethevehiclefor a whiletochargethe12V battery andthe 48 V battery.
Page 457 of 530
Display messagesPossible causes/consequences and P PSolutions
48 V Battery See Opera-tor's Manual
Page 461 of 530
Display messagesPossible causes/consequences and P PSolutions
Apply Brake to Shift from'P'
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.
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 ^.
Auxiliary Battery Malfunc-tion
*The auxiliarybatteryforthe transmission is no longer beingcharged.
Visit aqualified specialistworkshop.
Display messages andwarning/indicator lamps459
Page 468 of 530
Display messagesPossible causes/consequences and P PSolutions
Á
Replace Key Battery
*The SmartKeybattery is discharged.
Replacethe battery (→page64).
Á
Place the Key in theMarked Space See Opera-tor's Manual
*The SmartKeydetection function is malfunctioning.
Changethe location ofthe SmartKeyinthevehicle.
Startthevehicle withthe SmartKeyinthe marked space (→page139).
Á
Don't Forget Your Key
*Awarningtone will also sound. This messageremindsyoutotakeyour SmartKeywithyou whenyou leavethevehicle.
466Display messages andwarning/indicator lamps
