2019 MERCEDES-BENZ GLC SUV service indicator

Display messages
Possible causes/consequences and M
MSolutions #
Drive more slowl y.
Reduce speed *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. &
WARNING Risk of an accident from driving wi thove rheated tyres
Overheated tyres may bur st, particularly at high speeds. #
Reduce speed so that the tyres cool down. #
Reduce speed so that the tyres cool down. Key
Display messages
Possible causes/consequences and M
MSolutions
À Replace key See Owner's
Manual *
Ve hicles with a digital vehicle key : only a few or no authorisations remain forst arting the engine. #
Make sure that the internet connection is not restricted bycer tain mobile phone settings. #
Open the Mercedes me connect http://www.mercedes.me and call up the digital vehicle key service. #
Deactivate the service firs t and then activate it again. #
Ifth e display message still appears, con tact the Mercedes-Benz Cus tomer Assis tance Center (C AC).
* Ve hicles with a digital vehicle keyst icke r:on lyafe w or no authorisations remain forst arting the engine. 596
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Order a new digital vehicle keyst icke r from a Mercedes-Benz Service Centre or at http://www.mercedes-
benz.com/connect.
Á
Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop.
Á Change key batteries *T
hekey bat tery is dischar ged. #
Replace the battery (/ page76).
Á
Key not detected (white
display message) *T
hekey is cur rently und etected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, place it in the slot forst arting with theke y (/ page174). Displ
aymessa ges and warning/indicator lamps 597

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
? Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
*Possible causes: R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not
continue driving under any circums tances. #
Obser vethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 619

Ad
justing treble, mid- range and bass
settings
Adva nced sound sy stem ......................4 73
Burmes ter®
sur round sound sy stem ....4 71
ADS PLUS da mping sy stem
see AIR BODY CONTROL
Ad vanced sound sy stem
Ac tivating/deactivating au tomatic
vo lume adjustment .............................. 473
Ad justing the balance/fader ................4 73
Ad justing treble, mid-range and bass
settings ................................................ 473
Calling up the sound menu .................. 472
Information .......................................... 472
Af ter-sales service centre
see ASS YST PLUS
AIR BODY CONT ROL................................ 24 2
Setting ................................................. 24 4
Suspension .......................................... 24 2
Air conditioning menu Calling up ............................................ .161
Air conditioning sy stem
see Climate control Air distribution
Setting ................................................ .159
Setting (multimedia sy stem) ................1 62
Air freshener sy stem
see Fragrance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIR BODY CONTROL
Air vents ................................................... 16 9
Ad justing (front) .................................. 16 9
Ad justing (rear) .................................... 17 0
Air vents
see Air vents
Ai r-re circulation mode ............................ 16 3
Air-water duct .......................................... 482
Ke eping free ........................................4 82
Airbag ........................................................ .40
Ac tivation .............................................. 34
Fr ont airbag (driver, front passenger) ....40
Ins tallation locations ............................ .40Knee airbag ........................................... 40
Overview ............................................... 40
PA SSENGER AIR BAG indicator lamp .... .45
Pr otection ..............................................41
Re duced pr otection ...............................42
Side impact airbag ................................ 40
Wi ndow airbag ....................................... 40
Ai rflow
Setting ................................................ .159
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambiance light Setting (multimedia sy stem) ................1 50
Android Auto ............................................ 431
Connecting a mobile phone ................. 432
Control using the application buttons
.............................................................4 33
Ending ................................................. 433
Information .......................................... 432
Overview .............................................. 431 626
Index