change key battery MERCEDES-BENZ GLB SUV 2019 Owners Manual

Display messages
Possible causes/consequences and M
MSolutions #
Order a new digital vehicle keyst icke r from a Mercedes-Benz Service Centre or at https://www.mercedes-
benz.com/connect.
Á
Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop.
Á Change key batteries *T
hekey bat tery is dischar ged. #
Replace the battery (/ page84).
Á Key not detected (white
display message) *T
hekey is cur rently und etected. #
Change the location of theke y in theve hicle. #
Ifth eke y is still not recognised, place it in the slot forst arting with theke y (/ page188). Displ
aymessa ges and warning/indicator lamps 571

¯
AdBlue sy stem fault Engine
st art not possible ................................ 620
¯ AdBlue sy stem fault See Own‐
er's Manual .......................................... 61 9
5 Add 1 litre engine oil when
next refuelling ...................................... 621
é ATTENTION ASSIST inoperative
.............................................................5 96
é ATTENTION ASSIS T:Take a
break! .................................................. 596
b Automatic driving lights inoper‐
ative .................................................... 573
û Before starting the engine, turn
th esteering wheel. .............................. 581
J Brake immediately ......................594
Á Changekey bat teries .................. 571
J Check brake fluid le vel.............. .595
# Checkbrake pads See Owner's
Manual ................................................ 595 ï
Check trailer hitch lock (white
display message) .................................5 77
h Check tyre(s) .............................. 61 4
! Clean the fuel filter .................... .585
ÿ Coolant Stop vehicle Switch
engine off ............................................ 584
_ Currently una vailable Camera
view restricted ..................................... 602
ç Currently unavailable Radar
sensors dirty ........................................ 601
! currently una vailable See Own‐
er's Manual ........................................ .606
÷ currently una vailable See Own‐
er's Manual ........................................ .608
5 Engine oil le vel cannot be
measured ............................................ 623
5 Engine oil le velRe duce oil le vel.. 621
5 Engine oil le velSt op vehicle
Switch engine off ................................ 622 5
Engine oil pressure Stop
Switch off engine ................................ 622
ä Fault Drive at max. 80 km/h ...... 597
6 Front left malfunction Consult
wo rkshop (e xample)............................ 567
& inoperative Battery low ...............576
& inoperative Refuel vehicle ........... 576
& inoperative See Owner's Man. ....576
! inoperative See Owner's Man‐
ual ....................................................... 607
÷ inoperative See Owner's Man‐
ual ....................................................... 608
T inoperative See Owner's Man‐
ual ....................................................... 609
G Inoperati ve.................................. 611
î inoperative ................................. 604
b Intelligent Light Sy stem inoper‐
ative ..................................................... 574
Á Key not de tected (red displ ay
messa ge).............................................5 72 Index
649