maintenance reset MERCEDES-BENZ E CLASS 2019 Owners Manual

Connecting equipmenttothe diagnostics con‐nection can leadtoemissions monitoring infor‐mation beingreset,forexample. This may leadtothevehiclefailingtomeettherequirements ofthe next emissions inspection duringthe maininspection.
Qualified specialistworkshop
An authorized Mercedes-Benz Center is aquali‐fied specialistworkshop. It hasthe necessaryspecial skills,tools andqualificationstocor‐rectly carryouttheworkrequired onyourvehi‐cle. This particularlyappliestosafety-relevantworks.
Always havethefollowingworkcarried out onyourvehicle at aqualified specialistworkshop:
RSafety-relevantwork
RService and maintenancework
RRepairwork
RModifications aswell as installations andconversions
RWorkon electronic components
RVehicles with 48 V on-board electricalsystem (EQ boosttechnology):workonhighvoltage components ofthe 48 V on-board electrical system
Mercedes‑Benzrecommends a Mercedes‑Benzservice center.
Correct use ofthevehicle
Ifyouremoveanywarningstickers,you orotherscouldfailtorecognize certain dangers. Leavewarningstickersin position.
Observethefollowing information in particularwhen drivingyourvehicle:
Rthe safety notes inthis manual
Rtechnical dataforthevehicle
Rtrafficrules andregulations
Rlawsand safetystandards pertainingtomotorvehicles
Problems withyourvehicle
Ifyou shouldexperience a problem withyourvehicle, particularly onethatyou believemayaffect its safe operation,weurgeyoutocontactan authorized Mercedes-Benz Center immedi‐atelytohavethe problem diagnosed andrecti‐fied. Ifthe problem is notresolvedto your satis‐faction, please discussthe problem again withan authorized Mercedes-Benz Center or, if nec‐essary,contact us at one ofthefollowingaddresses:
Inthe USA:
Mercedes-Benz USA,LLC
Customer Assistance Center
One Mercedes-Benz Drive
Sandy Springs, GA 30328
In Canada:
Mercedes-Benz Canada, Inc.
CustomerRelations Department
98VanderhoofAvenue
Toronto, Ontario M4G 4C9
General notes25

technical information aboutthevehicle's operat‐ingstate, component loads, maintenancerequirements andtechnicalevents or malfunc‐tions.
Ingeneral,this information documentsthestateof a component part, a module, a system orthesurroundings such as:
Roperatingstatus of system components (e.g.fill levels, batterystatus, tire pressure)
Rstatus messages concerningthevehicle orits individual components (e.g. number ofwheelrevolutions/speed, longitudinal accel‐eration, lateral acceleration, display offas‐tened seat belts)
Rmalfunctions orfaults in important systemcomponents (e.g. lights, brakes)
Rinformation onevents leadingtovehicledamage
Rsystemreactions in special driving situations(e.g. airbag deployment, intervention ofsta‐bility control systems)
Rambient conditions (e.g.temperature,rainsensor)
In additiontoprovidingthe actual control unitfunction,this data assiststhe manufacturer indetecting andrectifying malfunctions and opti‐mizingvehicle functions. The majority ofthisdata istemporary and is only processed inthevehicle itself. Only a small portion ofthe data isstored intheevent or malfunction memory.
Whenyourvehicle is serviced,technical datafromthevehicle can beread outbyservice net‐workemployees (e.g.workshops, manufactur‐ers) orthird parties (e.g. breakdown services).Services includerepair services, maintenanceprocesses,warranty claims andquality assur‐ance measures,forexample. Theread out is per‐formed viathe legally prescribed portforthediagnostics connection inthevehicle. Therespective service network locations orthirdparties collect, process and usethe data. Theydocumenttechnicalstatuses ofthevehicle,assist infinding malfunctions and improvingquality and are transmittedtothe manufacturer,if necessary.Furthermore,the manufacturer issubjecttoproduct liability.Forthis,the manu‐facturerrequirestechnical datafromvehicles.
Fault memories inthevehicle can beresetby aservice outlet as part ofrepair or maintenancework.
Depending onthe selected equipment,you canimport data intothevehicle's comfort and info‐tainment functionsyourself.
This includes,forexample:
Rmultimedia data such as music,films or pho‐tosfor playbackin an integrated multimediasystem
Raddress book datafor use in connection withan integrated hands-free system or an inte‐grated navigation system
Rentered navigation destinations
Rdata aboutthe use of Internet services
This data can be saved locally inthevehicle or itis located on a device whichyou haveconnectedtothevehicle (e.g. smartphone, USBflash driveor MP3 player). Ifthis data isstored inthevehi‐cle,you can deleteit at any time. This data issenttothird parties only atyourrequest, partic‐ularlywhenyou use online services in accord‐ance withthe settingsthatyou haveselected.
General notes27

Rfrequent operation in mountainousterrain oron poorroad surfaces
Rwhenthe engine is often leftidlingfor longperiods
Roperation in particularly dusty conditionsand/or if air-recirculation mode is frequentlyused
Inthese or similar operating conditions, havetheinterior airfilter, engine air cleaner, engine oiland oilfilteretc.changed more frequently. Thetires must bechecked more frequently ifthevehicle is operated under increased loads.Fur‐ther information can be obtained at aqualifiedspecialistworkshop.
Battery disconnection periods
The ASSYST PLUS service interval displaycan only calculatethe service due datewhenthe batteryis connected.
Notedownthe service due date displayed onthe instrument display before disconnectingthe battery (→page 347).
Engine compartment
Active hood (pedestrian protection)
Operation ofthe active hood (pedestrian pro‐tection)In certain accident situations,therisk of injurytopedestrians can bereducedbythe actuationofthe active hood. Therear area ofthe hood israisedbyapproximately 3 in (85 mm).
Forthe drivetotheworkshop,resetthe trig‐gered active hoodyourself. Afterthe active hoodhas been triggered, pedestrian protection maybe limited.
Aqualified specialistworkshop mustre-instatethe full functionality ofthe active hood.
The active hood is notavailable in all countries.
Resettingthe active hood
\nWARNINGRisk of burns from hot com‐ponent parts inthe engine compartment
Certain components inthe engine compart‐ment can beveryhot, e.g.the engine,theradiator and parts oftheexhaust system.
Allowthe enginetocool down and onlytouch component parts described inthefollowing.
Withyour handflat, push down active hood1inthe area aroundthe hinges on bothsides (arrows).The hood must engage in position.
Ifthe active hood can beraised slightly attherear inthe area ofthe hinges,repeatthestep until it engages correctly.
348Maintenance and care

Selectingthe map orientation .............291Settingthe map scale .......................... 290Settingthe map scale automatically ....294Updating .............................................293
Map and compassOverview ............................................. 289
Massage programResettingthe settings ............................94
Massage programsOverview ...............................................94Selectingthe front seats .......................94
Massage settingsResetting ...............................................94
Mattefinish (cleaning instructions)...... 357
Maximum loadrating.............................. 399
Maximum permissible loadCalculationexample ............................ 395Determining .........................................394
Maximum tire pressure.......................... 399
MechanicalkeyInserting/removing ...............................64
MediaMenu (on-boardcomputer) .................. 229
Searching ............................................ 330
Media displayNotes ...................................................24 8
Media InterfaceActivating ............................................ 331Information .......................................... 330Overview .............................................332
Media modeActivating ............................................ 324
Media playbackOperating (on-board computer) ........... 229
Media searchStarting ...............................................330
Media sourceSelecting (on-boardcomputer) ............ 229
Memory functionHead-up Display — Calling upstoredsettings ................................................101Head-up Display —Storing settings ......101Operating .............................................101Outside mirrors— Calling upstoredsettings ................................................101Outside mirrors—Storing settings .......101Seat — Calling upstored settings .........101
Seat —Storing settings ........................101Steering wheel — Calling up savedsettings ................................................101Steering wheel — Saving settings .........101
Menu (on-board computer)Assistant display.................................. 224Designs ............................................... 222Head-up Display .................................. 230Maintenance ........................................ 224Media .................................................. 229Navigation ........................................... 227Overview .............................................. 221Radio ...................................................228Telephone ............................................ 229Trip ...................................................... 225
Mercedes me connect.............................313Accident and breakdown manage‐ment ....................................................314Arranging a service appointment .........314Callingthe Mercedes-Benz CustomerCenter ..................................................313Information ..........................................312Making a call viatheoverhead con‐trol panel .............................................313Service call with the me button ...........313
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