change key battery MERCEDES-BENZ GLB SUV 2021 Owners Manual

K
K
e
ey
y Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences 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 81).
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 168). Display messages and
warning/indicator lamps
389
389

Det
Det
ecting inatt
ecting inatt entiv
entiveness
eness
see ATTENTION ASSIST
Diagnos
Diagnostics connection tics connection.................................. 35
Diesel
Diesel
Low outside temp eratures...................... 375
No tes..................................................... 375
Digit
Digit al Owner's Manual
al Owner's Manual.................................. 20
Dingh
Dingh yto
y to wing
wing
see Tow- bar system
Dipped beam
Dipped beam
Changing bulbs...................................... 153
DIRECT SELECT lev
DIRECT SELECT lev er
er
Engageing reve rsege ar.......................... 183
Engaging drive position.......................... 183
Engaging neutral.................................... 183
Engaging park position automaticall y...... 183
Fu nction................................................ 182
Selecting park position........................... 183
Displa
Displa y (car
y (care)
e)............................................... 325
Displa
Displa y (MBUX multimedia syst
y (MBUX multimedia syst em)
em)
Home sc reen......................................... 266
Operating.............................................. 267 Displa
Displa y (on-boar
y (on-boar d com
d com put
puter)
er)
Displa yson the inst rument displa y......... 262
Displa
Displa y in t
y in t he windscr
he windscr een
een
see Head-up display
Displa
Displa y message
y message
Calling up (on-board computer).............. 385
No tes..................................................... 385
Displa
Displa y messag
y messag es es
ç - - - km/h.................................... .415
È - - - km/h..................................... 414
h - - - km/h..................................... 414
_ 2nd seat row, leT Not loc ked......... 400
_ 2nd seat row, right Not loc ked...... 401
# 12 V battery See Owner's Man-
ual......................................................... 430
: Active Light System inoperative..... 392
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 439
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 438 ¯
AdBlue system fault Engine
start not possible................................... 439
¯ AdBlue system fault See Own-
er's Manual............................................ 438
5 Add 1 litre engine oil when next
re fuelling ............................................... 440
é ATTENTION ASSIST inoperati ve..... 413
é ATTENTION ASSIS T:Take a
break!.................................................... 413
: Automatic driving lights inoper-
ative...................................................... 391
û Before starting the engine, turn
th e steering wheel.................................. 399
Á Change key batteries .................... 389
J Check brake 0uid le vel.................. 412
ï Check trailer hitch lock (white
display message) .................................... 396
h Check tyre(s) ................................ 433
! Clean the fuel /lter....................... 404 Index
463 463