steering MERCEDES-BENZ E CLASS 2019 Workshop Manual

ASSYST PLUS service interval display
Function ofthe ASSYST PLUS service intervaldisplay
The ASSYST PLUS service interval display ontheInstrument Display provides information ontheremaining time or distance beforethe nextservice due date.
You can hidethis service message usingtheback button onthe left-hand side ofthesteeringwheel.
Depending on howthevehicle is used,theASSYST PLUS service interval display mayshortenthe service interval, e.g. inthefollowingcases:
RMainly short-distance driving
RWhenthe engine is often leftidlingfor longperiods
RIntheevent of frequent coldstart phases
Mercedes-Benzrecommendsavoiding suchoperating conditions.
You can obtain further information concerningthe servicing ofyourvehicle from aqualified
specialistworkshop, e.g. an authorizedMercedes-Benz Center.
Displayingthe service due date
On-board computer:
Service ASSYST PLUS
The next service due date is displayed.
Toexitthe display:pressthe back buttononthe left-hand side ofthesteering wheel.
Make suretoobservethefollowing furtherrela‐ted subject:
ROperatingthe on-board computer(→page 221).
Information onregular maintenancework
NOTEPrematurewearthroughfailuretoobserveservice due dates
Serviceworkwhich is not carried out attheright time or incompletelycan leadtoincreasedwear and damagetothevehicle.
Always observethe prescribed serviceintervals.
Always havethe prescribed serviceworkcarried out at aqualified specialistworkshop.
Special servicerequirements
The prescribed service interval is based on nor‐mal operation ofthevehicle. Maintenanceworkwill needtobe performed more often ifthevehi‐cle is operated under arduous conditions orincreased loads.
The ASSYST PLUS service interval display is onlyan aid. The driver ofthevehicle bearsresponsi‐bility asregardstowhether maintenanceworkneedstobe performed more oftenthan speci‐fied based onthe actual operating conditionsand/or loads.
Examples of arduous operating conditions:
Rregular city driving with frequent intermedi‐atestops
Rmainly short-distance driving
Maintenance and care347

Emergency
Removing the safetyvest
The safetyvests are located inthe safetyvestcompartments inthe driver's and frontpassenger doorstowage compartments.
Toremove:pull out safetyvestbag1byloop2.
Open safetyvestbag1andremovethesafetyvest.
1Maximum number ofwashes
2Maximumwashtemperature
3Do not bleach
4Do not iron
5Do not tumble dry
6Do not dry clean
7Class 2 safetyvest
Therequirements definedbythe legalstandardare only fulfilled ifthe safetyvestisthe correctsize and is fully closed.
The safetyvestmust bereplaced inthefollowingsituations:
Rthereflectivestrips are damaged or dirty.
Rthe maximum permissible number ofwashesisexceeded.
Rthefluorescence hasfaded.
Flat tire
Notes onflat tires
\nWARNINGRisk of accident duetoaflattire
Aflat tire severelyaffectsthe drivingcharac‐teristics aswell asthesteering and brakingofthevehicle.
Tires withoutrun-flatcharacteristics:
Do not drive on with aflat tire.
Changetheflat tire immediately with anemergency sparewheel or spare wheel.Alternatively,consult aqualified spe‐cialistworkshop.
364Breakdown assistance

Tires withrun-flatcharacteristics:
Observethe information andwarningnotes on MOExtended tires (run-flattires).
Intheevent of aflat tire,thefollowing optionsareavailable depending onyourvehicle's equip‐ment:
RVehicles with MOExtended tires:it is pos‐sibletocontinuethe journeyfor a shortperiod of time. Make sureyou observethenotes on MOExtended tires (run-flat tire)(→page 365).
RVehicles with a TIREFIT kit:you canrepairthe tires sothat it is possibletocontinuethejourneyfor a short period of time.Todothis,usethe TIREFIT kit (→page 366).
RVehicles with Mercedes me connect:youcan make a callforRoadside Assistance viatheoverhead control panel inthe case of abreakdown (→page313).
RAllvehicles:changethe wheel(→page 409).
Notes on MOExtended tires (run-flat tire)
\nWARNINGRisk of accident when drivingin emergency mode
When driving in emergency mode,the han‐dlingcharacteristics are impaired. e.g. whencornering, when acceleratingstronglyandwhen braking.
Do notexceedthe permissible maxi‐mum speedfor MOExtended tires.
Avoid any abruptsteering and drivingmaneuvers aswell as drivingoverobstacles (curbs, pot holes, off-road).This applies, in particular,toa loadedvehicle.
Stop driving inthe emergency mode ifyou notice:
Rbanging noise
Rvehicle vibration
Rsmoke which smells likerubber
Rcontinuous ESP®intervention
Rcracksin tire sidewalls
After driving in emergency mode havetherimscheckedbyaqualified special‐istworkshop withregardtotheir furtheruse.
The defective tire must bereplaced ineverycase.
WithMOExtended tires (run-flat tire),you cancontinuetodriveyourvehicleeven ifthere is atotal loss of pressure in one or more tires. How‐ever,the tire affected must not show any clearlyvisible damage.
You canrecognize MOExtended tiresbytheMOExtended marking which appearsonthe sidewall ofthe tire.
Vehicles with tire pressure losswarning sys‐tem:MOExtended tires may only be used in con‐junction withan activated tire pressure losswarning system.
Vehicles with tire pressure monitoring sys‐tem:MOExtended tires may only be used in con‐junction withan activated tire pressure monitor‐ing system.
Breakdown assistance365

call 1-800-FOR-MERCedes (inthe USA) or1-800-387-0100(in Canada).
Correctthe tire pressure if it isstill at least130 kPa (1.3 bar/19 psi). SeetheTireandLoading Information placard onthe driver'sside B‑pillar orthe tire pressuretable inthefuelfillerflapforvalues.
Toincreasethe tire pressure:switchonthe tire inflation compressor.
Toreduce the tire pressure:press pressurerelease button1nexttomanometer2.
Whenthe tire pressure is correct, unscrewthefilling hose fromthevalve ofthe sealedtire.
Screwthevalve cap ontothevalve ofthesealed tire.
Pullthe tire sealant bottle out ofthe tireinflation compressor.Thefilling hosestays onthe tire sealant bot‐tle.
Drivetothe nearestqualified specialistwork‐shop and havethe tire, tire sealant bottle andfilling hosereplacedthere.
Battery(vehicle)
Notes onthe12V battery
\nWARNINGRisk of an accident duetoworkcarried out incorrectly onthe bat‐tery
Workcarried out incorrectly onthe batterycan,forexample, leadtoa short circuit. Thiscan leadtofunctionrestrictions in safety-rel‐
evant systems,forexamplethe lighting sys‐
tem, ABS (anti-lockbraking system) or ESP®
(ElectronicStability Program). The operatingsafety ofyourvehicle may berestricted.
You could lose control ofthevehicle inthefollowing situations:
Rwhen braking
Rintheevent of abruptsteering maneuversand/or whenthevehicle's speed is notadaptedtotheroad conditions
Intheevent of a shortcircuit or a simi‐lar incident, contact aqualified special‐istworkshop immediately.
Do not continue driving.
Always haveworkonthe battery carriedout at aqualified specialistworkshop.
RFurther information on ABS (→page166)
RFurther information on ESP®(→page167)
For safetyreasons, Mercedes-Benzrecommendsthatyou onlyuse batteries which havebeentes‐ted and approvedforyourvehiclebyMercedes-
37 0Breakdown assistance

Fortowing, use atowrope ortow bar with bothaxles onthe ground. Do not usetow bar sys‐tems.
NOTEDamagetothevehicle dueto tow‐ingawayincorrectly
Observethe instructions and notes ontowingaway.
Permittedtowing methods
Vehicle equipment/towingmethod
Bothaxles onthegroundFront axleraisedRear axleraised
Vehicles with automatic transmis‐sionYes, maximum31miles (50 km) at31mph (50 km/h)NoYes, ifthesteering wheel isfixed inthe center position with asteeringwheel lock.
4MATICvehiclesYes, maximum31miles (50 km) at31mph (50 km/h)NoNo
Towing with araised axle:towing should beperformedbyatowing company.
376Breakdown assistance

Do not activatethe HOLD function.
DeactivateActive Brake Assist (→page174).
Vehicles with automatic transmission:Shiftthe automatic transmissiontoposition\\.
Releasethe electric parking brake.
\nWARNINGRisk of accident duetolimi‐ted safety-related functions duringthetowing process
Safety-related functions are limited or no lon‐geravailable inthefollowing situations:
Rthe ignition is switched off.
Rthe brake system or powersteering sys‐tem is malfunctioning.
Rthe energy supply orthe on-board electri‐cal system is malfunctioning.
Whenyourvehicle isthentowedaway, signif‐icantly more effortmay berequiredtosteerand brakethan is normallyrequired.
Use atow bar.
Make surethatthesteering wheel canmovefreely, beforetowingthevehicleaway.
NOTEDamageduetoexcessive tractivepower
Ifyou pullawaysharply,the tractive powermay betoo high andthevehicles could bedamaged.
Pullawayslowly and smoothly.
Loading thevehiclefor transport
Observethe notes ontowingaway(→page377).
Connectthetow bartothetowingeye inordertoloadthevehicle.
Vehicles with automatic transmission:Shiftthe automatic transmissiontoposition\\.
Vehicles with automatic transmission:The automatic transmission may be locked
in position]intheevent of damagetotheelectrical system.Toshiftto\\, providetheon-board electrical system with power(→page374).
Loadthevehicle ontothe transporter.
Vehicles with automatic transmission:Shiftthe automatic transmissiontoposition].
Usethe electric parking braketosecurethevehicle againstrollingaway.
Only securethevehiclebythe wheels.
Vehicles with ADS PLUS (Adaptive DampingSystem PLUS)
\nWARNINGRisk of an accident whentransportingvehicles withAdaptiveDamping System PLUS
Thereduced dampingforces onthevehiclebeing transported can causethevehicle/trailer combinationtostarttoswing.
As aresult, when transportingvehicles withtheAdaptive Damping System PLUS,the
378Breakdown assistance

Tirepressure
Notes on tire pressure
\nWARNINGRisk of accident duetoinsuf‐ficient orexcessive tire pressure
Underinflated oroverinflated tires posethefollowingrisks:
RThe tires may burst, especially astheload andvehicle speed increase.
RThe tires maywearexcessively and/orunevenly,which maygreatlyimpair tiretraction.
RThe drivingcharacteristics, aswell assteering and braking, may be greatlyimpaired.
Comply withtherecommended tirepressure andcheckthe tire pressure ofall tires includingthe spare wheelregu‐larly:
Rat least once a month
Rwhenthe loadchanges
Rbefore embarking on a longer journey
Rif operating conditionschange, e.g. off-road driving
Adjustthe tire pressure as necessary.
Driving withtire pressurethat istoo high ortoolow can:
RShortenthe service life ofthe tires.
RCause increased tire damage.
RAdversely affect drivingcharacteristics andthus driving safety,e.g. dueto hydroplaning.
\nWARNINGRisk of an accident duetoinsufficient tire pressure
Tires with pressurethat istoo low canover‐heat and burstas aresult.
In addition,theyalso suffer fromexcessiveand/or irregularwear, which can significantlyimpairthe braking properties andthe han‐dlingcharacteristics.
Avoidexcessively low tire pressures inallthe tires, includingthe spare wheel.
Tirepressure which istoo low can cause:
RTiredefects as aresult ofoverheating
RImpaired handlingcharacteristics
RIrregularwear
RIncreased fuel consumption
\nWARNINGRisk of accident fromexces‐sive tire pressure
Tires withexcessively high pressure canburstbecausetheyare damaged more easilybyhighwayfill, pot holesetc.
In addition,theyalso suffer from irregularwear, which can significantly impairthe brak‐ing properties andthe handlingcharacteris‐tics.
Avoidexcessively high tire pressures inallthe tires, includingthe spare wheel.
Excessively high tire pressure canresult in:
RIncreased braking distance
RImpaired handlingcharacteristics
RIrregularwear
386Wheels and tires

ing condition (→page 387). Observethenotes on tiretemperature (→page 386).
Thevalues displayed inthe multifunction dis‐play may deviate fromthose ofthe tire pres‐suregauge astheyrefertosea level.Athighaltitudes,the tire pressurevalue indicatedbya pressuregauge are higherthanthoseshownbythe on-board computer. Inthiscase, do notreducethe tire pressure.
Make suretoobservethefollowing furtherrela‐ted subject:
RNotes on tire pressure (→page 386)
Restartingthe tire pressure monitoring sys‐tem
Requirements:RTherecommended tire pressure is correctlysetfortherespective operatingstatus oneach ofthefour wheels (→page 386).
Restartthe tire pressure monitoring system inthefollowing situations:
RThe tire pressure haschanged.
RThe wheels or tires havebeenchanged ornewly installed.
On-board computer:
Service Tires
Swipe downwards onTouch Control ontheleft-hand side ofthesteering wheel.TheUse Current Pressures as New Refer-ence Values?message is shown inthe multi‐function display.
Tobeginrestart, pressTouch Control ontheleft-hand side ofthesteering wheel.TheTire Press. Monitor Restartedmessage isshown inthe multifunction display.
Currentwarning messages are deleted andtheyellowwwarning lamp goes out.
Afteryou havebeen drivingfor afewminutes,the systemcheckswhetherthe cur‐rent tire pressures are withinthe specifiedrange. The current tire pressures arethenaccepted asreferencevalues and monitored.
Make suretoobservethefollowing furtherrela‐ted subject:
RNotes on tire pressure (→page 386)
Radio equipment approval ofthe tire pres‐sure monitoring system
Radio equipment approval numbers
CountryRadio type approval number
Canada IC: 2546A-AG5SP4
USAFCC ID: MRXAG5SP4
FCC ID: MRXMFR
Further information onthe declaration of con‐formityfor wirelessvehicle components(→page 23).
Tirepressure losswarning system
Function ofthe tire pressure losswarningsystemThe tire pressure losswarning systemwarnsthedriverbymeans of display messages whenthereis a severetire pressureloss.
After achange in tire pressure, a wheelrotationor a tirechange, or ifyou havere-installedwheels or tires,the tire pressure losswarningsystem hastoberestarted (→page 392).
Wheels and tires391

The tire pressure losswarning system does notreplacethe needtoregularlycheckthe tire pres‐sure.
System limitations
The system may be impaired or may not functionparticularlyinthefollowing situations:
RIncorrectly set tire pressure
RSudden pressure loss caused,forexample,byaforeign object penetratingthe tire
RSteady pressure loss in several tires
The system has arestricted or delayed functionparticularly inthefollowing situations:
RPoor ground conditions, e.g. snow or gravel
RDriving withsnowchains
RWhen adopting averysporty drivingstylewith high cornering speeds or sudden accel‐eration
RDriving with a high load
Be suretoalso observethefollowing furtherrelated subjects:
RNotes on tire pressure (→page 386)
RDisplay messages aboutthe tires(→page 460)
Restartingthe tire pressure losswarningsystem
Requirements:RTherecommended tire pressure is correctlysetfortherespective operatingstatus oneach ofthefour wheels (→page 386).
Restartthe tire pressure losswarning system inthefollowing situations:
RThe tire pressure haschanged.
RThe wheels or tires havebeenchanged ornewly installed.
On-board computer:
Service Tires
Swipe downwards ontheTouch Control onthe left-hand side ofthesteering wheel.TheTire Pressure Control SystemActiveRestart: Press Touch Controlmessageis shown inthe multifunction display.
Restartthe tire pressure losswarning system inthefollowing situations:
RThe tire pressure haschanged.
RThe wheels or tires havebeenchanged ornewly installed.
Tobegintherestart, presstheTouch Controlonthe left-hand side ofthesteering wheel.TheTire Pressure Now OK?message isshown inthe multifunction display.
SelectYes.
Toconfirmtherestart, presstheTouch Con‐trol onthe left-hand side ofthesteeringwheel.TheRun Flat Indicator Restartedmessage isshown inthe multifunction display.
Afteryou havedrivenfor afew minutes,thetire pressurelosswarning system monitorsthe set tire pressures of allthe tires.
Be suretoalso observethefollowing furtherrelated subjects:
RNotes on tire pressure (→page 386)
392Wheels and tires

Loadingthevehicle
Notes onTireand Loading Information plac‐ard
\nWARNINGRisk of accident fromoverloa‐ded tires
Overloaded tires mayoverheat and burstas aconsequence. Overloaded tires can alsoimpairthesteering and handlingcharacteris‐tics and leadtobrakefailure.
Observethe load-bearing capacity ofthe tires.
The load-bearing capacity must be atleast halfthe gross axleweightrating ofthevehicle.
Neveroverloadthe tiresby exceedingthe maximum load.
TheTireand Loading Information placard is onthe B-pillar onthe driver's side ofthevehicle.
1Tireand Loading Information placard
The data shown inthe illustration isexampledata.
TheTireand Loading Information placard shows:
RMaximum number of seats2accordingtothe maximum number of people permittedtotravel inthevehicle.
RMaximum permissible load3comprisesthegrossweight of allvehicle occupants, loadand luggage.
Wheels and tires393