check engine light MERCEDES-BENZ GLS SUV 2021 Owners Manual

5
Add 1 litre engine oil when next
re fuelling ............................................... 502
é ATTENTION ASSIST inoperati ve..... 471
é ATTENTION ASSIS T:Take a
break!.................................................... 471
: Automatic driving lights inoper-
ative...................................................... 448
_ Cannot fold 2nd seat row for-
wa rds See Owner's Manual .................... 460
Á Change key batteries .................... 446
J Check brake 0uid le vel.................. 470
ï Check trailer hitch lock (white
display message) .................................... 453
h Check tyre(s) ................................ 496
! Clean the fuel /lter....................... 463
Á Compressor is cooling .................. 486
ÿ Coolant Stop vehicle Switch
engine o............................................... 462
! currently una vailable See Own-
er's Manual............................................4 87÷
currently una vailable See Own-
er's Manual............................................4 88
5 Engine oil le vel cannot be meas-
ured....................................................... 503
5 Engine oil le velRe duce oil le vel..... 502
5 Engine oil le velSt op vehicle
Switch engine o.................................... 502
5 Engine oil pressure Stop Switch
o. engine.............................................. 503
ä Fault Drive at max. 80 km/h
...................................................... 483, 484
ä Fault Stop.................................... .484
6 Front leT malfunction Consult
wo rkshop (e xample)...............................4 43
& inoperative Battery low................. 451
& inoperative Refuel vehicle............. .451
& inoperative See Owner's Man........ 451
! inoperative See Owner's Manual.. .488
÷ inoperative See Owner's Manual.. .489
T inoperative See Owner's Manual.. .490 G
Inoperative................................... 491
î inoperative....................................4 75
: Intelligent Light System inopera-
tive........................................................ 449
Á Key being initialised Please wait.... 447
Á Key not de tected (red display
message).............................................. .447
Á Key not de tected (white display
message).............................................. .446
: LeT dipped beam (e xample).......... 448
6 LeT windowbag malfunction
Consult workshop (e xample).................. 443
 Lowe ring....................................... 485
: Malfunction See Owner's Man-
ual ......................................................... 448
î Max. speed 40 km/h .................... 476
ð Maximum speed exceeded ............ 475
î Not possible in cur rent drive
prog ram................................................. 475
Ø .................................................... 499 Index
527 527

Emerg
Emerg
ency call
ency call
see Mercedes-Benz emer gency call system
Eme rg
Emerg encykey
ency key
Inserting/ removing.................................. 83
Locking/unlocking the door s................... 88
Unlocking theta ilgate.............................. 95
Emerg
Emerg ency oper
ency oper ation mode
ation mode
St arting theve hicle............................... .192
Emerg
Emerg ency r
ency release
elease
Ta ilgate.................................................... 95
Emerg
Emerg ency spar
ency spar e wheel
e wheel
In0ating.................................................4 15
No tes..................................................... 414
Engine
Engine Engine number....................................... 423
Starting (emer gency ope ration mode ).... 192
St arting (Remo teOnline)........................ 193
Engine data
Engine data
Displaying............................................. .207
Engine electr
Engine electr onics
onics
No tes..................................................... 420
Engine number Engine number............................................. 423 Engine oil
Engine oil
Additives................................................ 430
Capacity................................................ 431
Checking the oil le vel using the on-
board computer.....................................3 67
MB-F reigabe or MB-Appr oval................. .431
Quality................................................... 431
To pping up............................................ .368
Ent Ent er
ering/e
ing/e xiting lev
xiting lev el
el
Setting................................................... 272
ERA
ERA -GL
-GLON
ONASS tASS t es
est modet mode
St arting/ending.................................... .354
Err
Err or message
or message
see Display message
ESC (Electr
ESC (Electr onicSt
onic Stability Contr
ability Contr ol)
ol)
see ESP ®
(Elect ronic Stability Prog ram)
ESP
ESP ®
®
Crosswind Assis t.................................... 233
Tr ailer stabilisatio n................................. 233
ESP
ESP ®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 234
Fu nction/no tes...................................... 232
EU type approv
EU type appr oval number
al number ............................. 423 Ext
Ext
endable r
endable r unning boar
unning boar ds
ds ............................. 89
Ext
Ext endable st
endable st ep
ep
see Running boa rds
Ext
Ext er
erior lighting
ior lighting
Car e...................................................... 376
Ext
Ext er
erior lighting
ior lighting
see Lights F
F
F
F atigue det
atigue det ection
ection
see ATTENTION ASSIST
F
F ir
ir e e
e e xtinguisher
xtinguisher.......................................... 381
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................. 381
Flacon
Flacon Inserting/removing................................ 182
Flat to
Flat towing
wing
see Tow- bar system
Flat tyre
Flat tyre MOExtended tyres................................. 382
Notes..................................................... 382
TIREFIT kit.............................................. 384
Wheel chang e........................................ 409
Floor mats
Floor mats................................................... 158 Index
533 533