change key battery MERCEDES-BENZ E-CLASS ESTATE 2021 Owners Manual

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.
PRE-SAFE impulse side
inoperative See Owner's
Manual *
The PRE‑SAFE ®
Impulse Side system is malfunctioning or inoperative aTer having already been triggered. #
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 81).454
454
Display messages and
warning/indicator lamps

Engaging park position automaticall
y...... 201
Fu nction................................................ 199
Selecting park position........................... 201
Displa
Displa y (car
y (care)
e)............................................... 387
Displa
Displa y (MBUX multimedia syst
y (MBUX multimedia syst em)
em)
Home sc reen......................................... 328
Operating.............................................. 329
Displa
Displa y (on-boar
y (on-boar d com
d comput
puter)
er)
Displa yson the inst rument displa y......... 301
Displa
Displa y in t
y in the windscr
he windscr een
een
see Head-up display
Displa
Displa y message
y message
Calling up (on-board computer).............. 449
No tes..................................................... 449
Displa
Displa y messag y messag es
es
ç - - - km/h.................................... .486
È - - - km/h..................................... 485
h - - - km/h..................................... 485
# 12 V battery See Owner's Man-
ual......................................................... 504
Û 48 V battery See Owner's Man-
ual......................................................... 506 ò
Acoustic presence indicator
inoperative............................................ .463
: Active Light System inoperative..... 457
¯ AdBlue system fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km.................................................. 514
¯ AdBlue system fault Emer gency
op. in XXX miles See Owner's Manual.... 513
¯ AdBlue system fault Engine
start not possible................................... 514
¯ AdBlue system fault See Own-
er's Manual............................................ 513
5 Add 1 litre engine oil when next
re fuelling ............................................... 515
é ATTENTION ASSIST inoperati ve..... 484
é ATTENTION ASSIS T:Take a
break!.................................................... 484
: Automatic driving lights inoper-
ative...................................................... 457 Û
Battery overheated Stop, every-
body out! Outdoors if possible ................ 465
Á Change key batteries .................... 454
è Charger cable connected .............. 463
J Check brake 0uid le vel.................. 483
5 Check eng. oil le v.when next
re fuelling ............................................... 515
ï Check trailer hitch lo ck(white
display message) .................................... 469
h Check tyre(s) ................................ 508
! Clean the fuel /lter....................... 476
É Compressor is cooling .................. 497
ÿ Coolant Stop vehicle Switch
engine o............................................... 475
! currently una vailable See Own-
er's Manual............................................4 99
÷ currently una vailable See Own-
er's Manual............................................5 00
5 Engine oil le vel cannot be meas-
ured....................................................... 517 542 542
Index