2022 MERCEDES-BENZ GLC COUPE change key battery

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
PRE-SAFE inoperative See
Owner's Manual *
The PRE‑SAFE ®
functions are malfunctioning. #
Consult a quali/ed specialist workshop. K K
e
ey
y Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Á
Replace key *H
aveth eke yre placed. #
Consult a quali/ed specialist workshop.
Á
Change key batteries *T
hekey battery is dischar ged. #
Replace the battery (/ page 82). Display messages and
warning/indicator lamps
407
407

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Á
Key not detected (white dis-
play message) *T
hekey is cur rently unde tected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, place it in the slot for starting with theke y (/ page 166).
Á Key not detected (red dis-
play message) *T
hekey cann otbe de tected and may no longer be in theve hicle.
If th eke y is no lon ger in theve hicle and you switch o. theve hicle:
R You can no longer start theve hicle.
R You cannot centrally lock theve hicle. #
Ensu rethat theke y is in theve hicle.
If th eke y is in theve hicle and still not recognised: #
Stop theve hicle immediately in accordance with the tra1c conditions. #
Place theke y in the slot for starting the engine with theke y (/ page 166).
The key battery is weak or dischar ged. #
Check the battery using the indicator lamp (/ page 80). #
Replace theke y batter y,if necessary (/ page 82).408
408
Display message
s andwarning/indicator lamps

Û
48 V battery See Owner's Man-
ual......................................................... 459
ò Acoustic presence indicator
inoperative............................................ .417
: Active Light System inoperative..... 410
¯ AdBlue system fault Emer. op.:
max. XXX mphSt art not poss. in XXX
miles.................................................... .467
¯ AdBlue system fault Emer gency
op. in XXX km See Owner's Manual........ 467
¯ AdBlue system fault Engine
start not possible................................... 468
¯ AdBlue system fault See Own-
er's Manual............................................ 467
5 Add 1 litre engine oil when next
re fuelling ............................................... 469
é ATTENTION ASSIST inoperati ve..... 439
é ATTENTION ASSIS T:Take a
break!.................................................... 439 :
Automatic driving lights inoper-
ative...................................................... 410
Û Battery overheated Stop, every-
body out! Outdoors if possible ........ 419, 459
Á Change key batteries .................... 407
è Charger cable connected .............. 417
J Check brake 0uid le vel.................. 438
5 Check engine oil le vel when
next refuelling ........................................ 468
ï Check trailer hitch lo ck(white
display message) .................................... 424
h Check tyre(s) ................................ 461
! Clean the fuel /lter....................... 431
Á Compressor is cooling .................. 450
ÿ Coolant Stop vehicle Switch
engine o............................................... 430
! currently una vailable See Own-
er's Manual............................................4 51
÷ currently una vailable See Own-
er's Manual............................................4 525
Engine oil le vel cannot be meas-
ured....................................................... 471
5 Engine oil le velRe duce oil le vel..... 469
5 Engine oil le velSt op vehicle
Switch engine o.................................... 469
5 Engine oil pressure Stop Switch
o. engine.............................................. 470
ä Fault Drive at max. 80 km/h ......... 448
6 Front leT malfunction Consult
wo rkshop (e xample)...............................4 04
& inoperative Battery low................. 414
& inoperative Char geHV battery...... 415
& inoperati veHigh-voltage battery
ch arging inco mplete ............................... 415
& inoperative Refuel vehicle............. .415
& inoperative See Owner's Man........ 414
! inoperative See Owner's Manual.. .452
÷ inoperative See Owner's Manual.. .453
T inoperative See Owner's Manual.. .454
G Inoperative................................... 456 494 494
Index