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Warning and indicator lamps
Overview ofwarning and indicator lamps
Some systems will performa self-test whentheignition is switched on. Somewarning and indi‐cator lamps may brieflylight up orflash. Thisbehavior is non-critical. Thesewarning and indi‐cator lamps indicate a malfunction only iftheylight up orflash afterthe engine has beenstar‐ted or during a journey.
Instrument Display
Progressive setting
Ifyou selectthe progressive display setting,thepositions ofthe indicator lamps onthe instru‐ment display willchange.
Warning and indicator lamps: XLow beam(→page145)
`Parking lights (→page145)
WHigh beam(→page146)
> =Turnsignal lights(→page146)
^Rearfog light(→page145)
uRestraint system(→page 524)
Page 555 of 578

HeadrestraintAttaching/removingthe supplemen‐tarycushion ........................................108EASY ADJUSTluxury headrestraint(front) ..................................................105Front (adjusting mechanically) .............104Front (luxury headrestraint) ................105Rear (extending fromthe front) ...........106Rear (settingthe last position) .............107Rear passenger compartment(adjusting electrically) .........................108Rear passenger compartment(adjusting) ...........................................107Rear passenger compartment (lower‐ing fromthe front) ...............................106Rear passenger compartment (luxuryheadrestraint) .....................................108Rear passenger compartment (set‐ting in position mechanically) ..............109
Head-up Display....................................... 261Adjusting display elements (on-boardcomputer) ............................................ 261Adjustingthe brightness (on-boardcomputer) ............................................ 261Function .............................................. 262
Menu (on-board computer) .................. 261Operatingthe memory function ...........11 5Settingthe position (on-board com‐puter) ................................................... 261Switching on/off ................................. 262
Headliner (care).......................................41 0
Headphones (Rear Seat Entertain‐ment System)Adjustingthevolume ...........................382Overview .............................................. 381Replacing batteries .............................382Selectingtherear display .................... 382Switching on/off .................................382
High beamSwitching on/off .................................14 6
High-beam flasher...................................14 6
High-beam headlampsAdaptive Highbeam Assist ...................148
Hillstart assist........................................214
HOLD function.........................................214Function/notes ....................................214Switching on/off .................................214
HoodFunction (active hood) .........................396Opening/closing ................................. 397Resetting (active hood) ........................ 396
HotspotSetting up (Wi-Fi) ................................. 291
Hydropneumatic suspensionsee MAGICBODYCONTROL
I
Identification plateEngine .................................................466Refrigerant ...........................................474Vehicle ................................................ 466
IgnitionSwitching on (Start/Stop button) ........167
Ignitionkeysee SmartKey
Immobilizer................................................ 90
Indicator lampsseeWarning/indicator lamps
Individual drive programConfiguring ..........................................176
Index553
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see Apple CarPlay™see Mercedes-Benz LinkseeTelephone
Snowchains............................................ 435
Socket (12 V)............................................13 6Front center console ...........................13 6Rear passenger compartment .............136Trunk ...................................................138
Socket (115V)..........................................137Rear passenger compartment .............137
Software update...................................... 296Important system updates ...................297Information .......................................... 296Performing .......................................... 297
Sound
PRE-SAFE®Sound ................................. 46Wheels and tires ..................................434
Sound
see Burmester®surround sound systemsee Sound settings
Sound settings.........................................375Adjustingthe balance/fader ................375
Adjusting treble, mid-range and basssettings ................................................375Automaticvolume adjustment .............375Calls upthe sound menu .....................375Information ..........................................375
Special seat beltretractor........................53
Specialistworkshop..................................24
Speech dialog systemseeVoice Control System
Speed index (tires)..................................449
SpeedometerDigital .................................................. 257
Spotlight functionSwitching on/off.................................24 3
Standby modeActivating/deactivating .......................191Function ..............................................19 0
Standing lights........................................14 5
Start/Stop buttonParkingthevehicle ..............................182Startingthevehicle .............................16 8Switching onthe power supply orignition .................................................167
Start/stop functionsee ECOstart/stop function
Starting assistancesee Jump-startconnection
Startingthe engineseeVehicle
Starting-offaidsee Hillstart assist
StationDeleting ............................................... 369Direct frequency entry ........................ 369Moving ................................................ 369Searching ............................................ 369Setting .................................................369Storing ................................................ 369
Station listCalling up ............................................ 369
Station presetsEditing ................................................. 369Modifying ............................................ 369
STEER CONTROLFunction/notes ...................................19 6
Index567