2019 MERCEDES-BENZ EQC SUV air condition

Display messages
Possible causes/consequences and M
MSolutions
h Wheel sensor(s) missing *T
here is no signal from the tyre pressure sensor of one or more wheels. Nopressure value is displa yedfo rthe
af fected tyre. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop.
h Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.The wheel position is displa yed. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyre pressure (/ page 491) andthe tyres. 546
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
h Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the dif fere nce in tyre pressure between the individual
wheels is too great. #
Check the tyre pressure and add air, if necessar y. #
When the tyre pressure is cor rect, restart the tyre pressure monitor (/ page 494).
h Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenly. The wheel position is displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres are dangerous in thefo llowing ways:
R The tyres can overheat and cause a fire.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a flat tyre. #
Obse rveth e no tes on flat tyres. No
tes on flat tyres (/ page475). #
Stop theve hicle in accordance with the tra ffic conditions. #
Check the tyres.
Tyre(s) overheated *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. Displ
aymessa ges and warning/indicator lamps 547

Display messages
Possible causes/consequences and M
MSolutions
Ù Steering malfunction Stop
immediately See Owner's
Manual *T
hesteering is malfunctioning. Steering capability is considerably impaired. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Consult a qualified specialist workshop.
C *A
t least one door is open. #
Close all doors.
? *T
he bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. #
Never unlock the engine bonn etwhen driving. #
Before every trip, ensure that the engine bonn etis loc ked. 554
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Û High-volt. batt. overheated
Stop, everybody out! Out-
doors if possible *T
he high-voltage battery has overheated. There is a risk of fire. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
If possible, stop theve hicle in the open air and ensure that all occupants getout. #
Do not drive on. #
If smoke is present, lea vethe danger zone and call thefire service immediately. #
Consult a qualified specialist workshop even if there are no extern al signs of a fire.
Û Malfunction *T
he drive sy stem is malfunctioning. A warning tone will also sound. #
Consult a qualified specialist workshop.
*T here is a serious malfunction if the display message and warning tone are repeated at short inter vals. You must
st op theve hicle immediately in accordance with the traf fic conditions because the drive sy stem is automatically
deactivated. #
Stop theve hicle immediately in accordance with the traf fic conditions. #
Switch off the ignition and consult a qualified specialist workshop.
d
Reduced output See Own-
er's Manual *T
he drive sy stem is outside the operating temp erature range, e.g. due toextreme outside temp eratures.
Drive sy stem po wer output is reduced. The yellow reduced po wer output warning lamp Ois on. #
Drive on carefull y.
Once the operating conditions return tonormal, the full output will be available again.
*T he high-voltage battery is not charge d suf ficientl y.
Drive sy stem po wer output is reduced. The yellow reduced po wer output warning lamp Ois on. 560
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Adjust your speed and continue todrive carefull y,leaving a suitable dis tance totheve hicle in front. #
Ifth e multifunction display sho wsa display message, please obse rve it. #
Consult a qualified specialist workshop.
J Brake sy stem warning lamp
(red) The
red brake sy stem warning lamp is lit while the drive sy stem is running.
*Possible causes: R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of accident and inju ryif brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal forc e may be necessary for braking. The braking
ch aracteristics may be impaired. The braking dis tance can increase in emergency braking situations. #
Stop in a safe location immediately. Do not continue driving! #
Consult a qualified specialist workshop. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. Display messages and
warning/indicator lamps 571

Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
*The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure and the tyres. 576
Displaymessa ges and warning/indicator lamps

Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ï Tr ailer tow hit chwarning
lamp The
red trailer tow hit chwarning lamp is on.
*The trailer tow hit chis not operational or is swivelling. &
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. #
Notethe messages on the multifunction displa y.
If th e trailer hitch is swivelling: #
Wait until the ball coupling has reached the operational position.
Ù
Wa rning lamp for electric
po we rst eering The
red elect ric po werst eering warning lamp is lit while the drive sy stem is running.
*The po wer-assis tedsteering or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. 578
Displaymessa ges and warning/indicator lamps

Ac
tive Lane Keeping Assist .................... 253
Ac tivating/deactivating ...................... .255
Ac tivating/deactivating thewa rning .. .256
Fu nction .............................................. 253
Setting the sensitivity .......................... 256
Sy stem limits ....................................... 253
Tr ailer operation .................................. 253
Ac tive Parking Assist .............................. 239
Cross Traf fic Alert ............................... 24 4
Drive AwayAssi st................................ 24 3
Exiting a pa rking space ........................ 24 2
Fu nction .............................................. 239
Manoeuvring assi stance ...................... 24 4
Pa rking ................................................ 24 0
Sy stem limitations ...............................2 39
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 216
Displ ay................................................. 216
Fu nction ............................................... 216
Ac tive Steering Assist ............................ .219
Ac tivating/deactivating ...................... .220
Ac tive Emergency Stop Assist .............2 22
Ac tive Lane Change Assi st................... 221 Displa
ysinthe instrument display .......2 23
Fu nction ............................................... 219
Sy stem limitations ...............................2 19
Ad aptive brake lights .............................. 208
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 13 8
Switching on/off ................................. 14 0
Ad ditional door lo ck.................................. 76
Ad ditional value range
Setting display content ........................ 266
Ad dress book
see Contacts
Ad justing the balance/ fader
Adva nced sound sy stem ......................4 58
Burmes ter®
sur round sound sy stem ... 457
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 457 Ad
justing treble, mid- range and bass
settings
Advanced sound sy stem ......................4 58
Burmes ter®
sur round sound sy stem ... 457
Ad vanced sound sy stem
Ac tivating/deactivating au tomatic
vo lume adjustment .............................. 458
Ad justing the balance/fader ............... 458
Ad justing treble, mid-range and bass
settings ............................................... 458
Calling up the sound menu .................. 458
Information .......................................... 458
Af ter-sales service centre
see ASS YST PLUS
Air conditioning menu Calling up ............................................. 151
Air distribution Setting (multimedia sy stem) ................1 52
Air freshener sy stem
see Frag rance sy stem
Air inlet see Air-water duct 582
Index