brake MERCEDES-BENZ E CLASS 2019 Repair Manual

Position jack2at jack support point1.
Turnratchet3clockwise until jack2sitscompletelyon jack support point1andthebase ofthe jack liesevenly onthe ground.
Turnratchet3untilthe tire israised a maxi‐mum of1.2 in (3 cm) fromthe ground.
Loosen andremovethe wheel (→page412).
Removing a wheel
Requirements:RThevehicle israised (→page410).
Mercedes-AMGvehicles:observethe notes inthe Supplement. Otherwise,you may notrecog‐nize dangers.
Whenchanging a wheel,avoid applying anyforcetothe brake discs, sincethis could impairthelevel of comfortwhen braking.
NOTEDamagetothreading from dirt onwheel bolts
Do not place wheel bolts in sand or ona dirty surface.
Unscrewthe uppermost wheel bolt com‐pletely.
Screwalignment bolt1instead ofthewheel bolt intothethreading.
Unscrewtheremaining wheel bolts fully.
Removethe wheel.
Installthe new wheel (→page412).
Mounting a new wheel
Requirements:RThe wheel isremoved (→page412).
Mercedes-AMGvehicles:observethe notes inthe Supplement. Otherwise,you may notrecog‐nize dangers.
412Wheels and tires

Operatingfluids
Notes on operatingfluids
Mercedes-AMGvehicles:be suretoobservethe information inthe Supplement. Otherwise,you mayfailtorecognize dangers.
\nWARNINGRisk of injuryfrom operatingfluids harmfulto your health
Operatingfluids may be poisonous and harm‐fulto your health.
Observethetext onthe original con‐tainers when using,storing or disposingof operatingfluids.
Alwaysstore operatingfluids sealed intheir original containers.
Alwayskeepchildrenawayfrom operat‐ingfluids.
ENVIRONMENTALNOTEEnvironmentalpollution causedbyenvironmentally irre‐sponsible disposal
Dispose of operatingfluids in an envi‐ronmentallyresponsible manner.
Operatingfluids includethefollowing:
RFuels
RLubricants
RCoolant
RBrakefluid
RWindshieldwasherfluid
RClimate control systemrefrigerant
Only use products approvedbyMercedes-Benz.Damage causedbythe use of productsthat havenot been approved is not coveredbytheMercedes-Benzwarranty or goodwillgestures.
You can identify operatingfluids approvedbyMercedes-Benzbythefollowing inscriptions onthe container:
RMB-Freigabe (e.g. MB-Freigabe 229.51 )
RMB-Approval (e.g. MB-Approval 229.51)
Further information on approved operatingfluidsisavailable atthefollowing locations:
Rinthe Mercedes-Benz SpecificationsforOperating Fluidsbyenteringthe designation
-at http://bevo.mercedes-benz.com
-inthe Mercedes-Benz BeVo App
Rat aqualified specialistworkshop
\nWARNINGRisk offireorexplosion fromfuel
Fuels are highlyflammable.
Fire, openflames, smoking and creationof sparksmust beavoided.
Switchoffthe ignition and, ifavailable,thestationary heater, before and whilerefuelingthevehicle.
\nWARNINGRisk of injuryfrom fuels
Fuels are poisonous and hazardousto yourhealth.
Technical data419

NOTEEngine damagecausedbyanincorrect oilfilter, incorrect oil or addi‐tives
Do not use engine oils or oilfiltersotherthanthose which meetthe specifica‐tions necessaryforthe prescribedservice intervals.
Do not alterthe engine oil or oilfilter inordertoachievelongerchange intervalsthan prescribed.
Do not use additives.
Havethe engine oilchanged aftertheprescribed intervals.
Mercedes-Benzrecommendsthatyou havetheoilchange carried out at aqualified specialistworkshop.
Further information on engine oil and oilfilters isavailable atthefollowing locations:
RInthe Mercedes-Benz SpecificationsforOperating Fluidsbyenteringthe designation:
-Athttp://bevo.mercedes-benz.com
-Inthe Mercedes-Benz BeVo app
Rat aqualified specialistworkshop
Quality and capacity of engine oil
MB-Freigabe or MB-Approval
Gasoline enginesMB-Freigabe or MB-Approval
All models229.5, 229.6
Thefollowingvaluesrefertoan oilchange,includingthe oilfilter.
Capacity
ModelCapacity
All models6.9 US qt (6.5 liters)
Notes on brakefluid
Observethe notes on operatingfluids(→page419).
\nWARNINGRisk of an accident duetovapor pocketsforming inthe brake sys‐tem
The brakefluid constantly absorbs moisturefromthe air. This lowersthe boiling point ofthe brakefluid. Ifthe boiling point istoo low,vapor pockets mayforminthe brake systemwhenthe brakes are applied hard.
This causesthe braking effecttobeimpaired.
Havethe brakefluidrenewed atthespecified intervals.
Havethe brakefluidregularlyreplaced at aqualified specialistworkshop.Only use brakefluid approvedbyMercedes-BenzaccordingtoMB-Freigabe or MB-Approval 331.0.
You can obtain further information on brakefluidinthefollowing places:
Rinthe Mercedes-Benz SpecificationsforOperating Fluids
-at http://bevo.mercedes-benz.com
-inthe Mercedes-Benz BeVo App
422Technical data

Display messagesPossible causes/consequences andPPSolutions
(Canada only)
Turn On the Ignition toRelease the Parking Brake
I
(USA only)
$
(Canada only)
Parking Brake See Opera-tor's Manual
*Theyellow$indicator lamp is lit. The electric parking brake is malfunctioning.
Toapply:
Switch offthe ignition and switch it back on.
Applythe electric parking brake manually (→page164).
If it isnot possibletoapplythe electric parking brake:
Visit aqualified specialistworkshop.
Where necessary,also safeguardthe parkedvehicle againstrollingaway.Theyellow$andtheredI(USA only) or$(Canada only) indicator lamps are lit. The electric parkingbrake is malfunctioning.
Torelease:
Switchoffthe ignition and switch it back on.
Releasethe electric parking brake manually (→page164).
or
Releasethe electric parking brake automatically (→page163).If it isstill not possibletoreleasethe electric parking brake:
Do not continue driving under any circumstances. Consult aqualified specialistworkshop.
Display messages andwarning/indicator lamps429

Display messagesPossible causes/consequences andPPSolutions
Theyellow$indicator lamp is lit andtheredI(USA only) or$(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 ortheredI(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 andtheredIindicator 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

Display messagesPossible causes/consequences andPPSolutions
Switch offthe ignition.The electric parking brake is applied automatically.
Ifthe electric parking brake should not be applied, e.g. whenwashingthevehicle in an automatic carwash or whenhavingthevehicletowed, leavethe ignition switched on. This does not include havingthevehicletowed withtherear axleraised.
Ifthe electric parking brake is not applied automatically:
Switch offthe ignition and switch it back on.
Release andthen applythe electric parking brake manually (→page164).
If it isstill not possibletoapplythe electric parking brake:
Visit aqualified specialistworkshop.
Where necessary,also safeguardthe parkedvehicle againstrollingaway.
Torelease:
Ifthe conditionsfor automaticrelease are fulfilled andthe electric parking brake is notreleased automatically,releasethe electric parking brake manually (→page164).
If it isstill not possibletoreleasethe electric parking brake:
Do not continue driving under any circumstances. Consult aqualified specialistworkshop.
Display messages andwarning/indicator lamps431

Display messagesPossible causes/consequences andPPSolutions
I
(USA only)
$
(Canada only)
Please Release ParkingBrake
*TheredI(USA only) or$(Canada only) indicator lampflashes.
The electric parking brake is applied whileyou are driving:
RA conditionfor automaticrelease ofthe electric parking brake is not fulfilled (→page163).
RYou are performing emergency braking usingthe electric parking brake (→page164).
Checkthatthe conditionsfor automaticrelease ofthe electric parking brake are fulfilled.
Releasethe electric parking brake manually.
z
%

Display messagesPossible causes/consequences andPPSolutions
Havethe brake systemchecked immediately at aqualified specialistworkshop.
Drive on carefully.
Visit aqualified specialistworkshop immediately.
'
(USA only)
M
(Canada only)
Check Brake Fluid Level
*There is insufficient brakefluid inthe brakefluidreservoir.
\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.Do not 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.
Do not add brakefluid.
Consult aqualified specialistworkshop.
Radar Sensors Dirty SeeOperator's Manual
*Theradar sensor system is malfunctioning.Possible causes are:
RDirt onthe sensors
RHeavyrain or snow
Display messages andwarning/indicator lamps433

Display messagesPossible causes/consequences andPPSolutions
Active Brake Assist Func-tions Limited See Opera-tor's Manual
*Vehicles with Driving AssistancePackage:Active Brake Assistwith cross-traffic function, EvasiveSteering
Assist or PRE‑SAFE®PLUS is malfunctioning.
Vehicles without Driving AssistancePackage:Active Brake Assistis malfunctioning.
Visit aqualified specialistworkshop.
PRE-SAFE Inoperative SeeOperator's Manual
*PRE‑SAFE®functions are malfunctioning.
Visit aqualified specialistworkshop.
Mercedes me connectServices Limited See Oper-ator's Manual
*Service limited.
Atleast one ofthe main functions ofthe Mercedes me connect system is malfunctioning.
Observethe notes onthe diagnostics connection (→page24).
Visit aqualified specialistworkshop.
S
Inoperative
*At least one main function ofthe Mercedes me connect system or ofthe SOS emergency call system is malfunc‐tioning.
Visit aqualified specialistworkshop.
Beginning Emergency Stop*Your hands are not onthesteering wheel. Emergencystop is initiated.
Putyour hands back onthesteering wheel.
Emergencystop can be interruptedbymeans ofthefollowing actions:
RSteering
RDepressingthe brake or accelerator pedal
Display messages andwarning/indicator lamps439

Display messagesPossible causes/consequences andPPSolutions
Active Brake Assist Func-tions Currently Limited SeeOperator's Manual
*Vehicles withthe Driving AssistancePackage:Active Brake Assistwith cross-traffic function, EvasiveSteering
Assist or PRE‑SAFE®PLUS aretemporarily unavailable or only partiallyavailable.
Vehicles withoutthe Driving Assistance package:Active Brake Assististemporarily unavailable.
The ambient conditions are outsidethe system limits (→page170).
Drive on.As soon asthe ambient conditions are withinthe system limits,the system will becomeavailable again.
Ifthe display message does not disappear,stopthevehicle while paying attentiontoroad and traffic conditionsandrestartthe engine.
u
SRS Malfunction ServiceRequired
*Therestraint system isfaulty (→page 32).
\nWARNINGRisk of injuryorfatal injury duetoa malfunction intherestraint system
Iftherestraint system is malfunctioning,restraint system components may be triggered unintentionally ormight not be triggered at all intheevent of an accident. This may affectthe EmergencyTensioning Device orairbag,forexample.
Havetherestraint systemchecked andrepaired immediately at aqualified specialistworkshop.
Detection of arestraint system malfunction:
RTheurestraint systemwarning lamp does not light up whenthe ignition is switched on.
RTheurestraint systemwarning lamp lights up continuously orrepeatedly during a journey.Visit aqualified specialistworkshop immediately.
Displaymessages andwarning/indicator lamps441