lock MERCEDES-BENZ G-CLASS SUV 2018 Repair Manual

Display messages
Possible causes/consequences and M
MSolutions
R You are per form ing emer gency braking using the electric parking brake (/ page176). #
Chec kth at the conditions for auto matic release of the electric parking brake are fulfilled. #
Release the electric parking brake manually.
T
!
÷
inoperative See Owner's
Manual *
EBD, ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. &
WARNING Risk of skidding if EBD, ABS and ESP ®
are malfunctioning
If EBD, ABS and ESP ®
are malfunctioning, the wheels can lock when braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an eme rgency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 447

Display messages
Possible causes/consequences and M
MSolutions
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Clean all senso rs (/ page 386). #
Restart the engine.
!
÷
currently unavailable See
Owner's Manual *
ABS and ESP ®
are temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems may also be temp orarily una vailable.
The brake sy stem continues tooperate normally. The braking dis tance may increase in an emergency braking situa‐
tion. &
WARNING Risk of skidding if ABS and ESP ®
are malfunctioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an emergency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a qualified specialist workshop. Display messages and
warning/indicator lamps 449

Display messages
Possible causes/consequences and M
MSolutions #
Carefully drive on a suitable stre tch of road, making slight steering mo vements at a speed abo ve30 km/h. #
Ifth e display message does not disappear, consult a qualified specialist workshop immediately. Drive carefully.
!
÷
inoperative See Owner's
Manual *
ABS and ESP ®
are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning.
The brake sy stem continues tooperate normally. The braking dis tance may increase in an emergency braking situa‐
tion. &
WARNING Risk of skidding if ABS and ESP ®
are malfunctioning
If ABS and ESP ®
are malfunctioning, the wheels could lock when braking and ESP ®
cann otcar ryout vehicle
st abilisation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an emergency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have ABS and ESP ®
ch ecked immediately at a qualified specialist workshop. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.450
Display messages and warning/indicator lamps

Key
Display messages
Possible causes/consequences and M
MSolutions
Á Key not detected (red dis‐
play message) *T
hekey cannot be de tected and may no longer be in theve hicle.
The key is no lon ger in theve hicle and you swit choff the engine:
R You can no lon gerst art the engine.
R You cannot centrally lock theve hicle. #
Ensure that theke y is in theve hicle.
If th eke y de tection function has a malfunction due toast ro ng radio signal source: #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Place theke y in the slot forst arting the engine with theke y (/ page142).
Á
Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop.
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, start the engine with theke y in the slot (/ page142). 478
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Á Change key batteries *T
hekey bat tery is dischar ged. #
Replace the battery (/ page73).
Á
Place the key in the
marked space See Owner's
Manual *T
hekey de tection function is malfunctioning. #
Change the location of theke y in theve hicle. #
Start theve hicle with theke y in the slot (/ page142). Ve
hicle Display messages
Possible causes/consequences and M MSolutions
Front/rear differential lock
system malfunction *T
he dif fere ntial lo cks are malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. Display messages and
warning/indicator lamps 47 9

Display messages
Possible causes/consequences and M
MSolutions &
WARNING Risk of accident in theeve nt of a fault with the driving and driving saf ety sy stems
If th e dif fere ntial lo cks are malfunctioning, the ABS, ESP ®
, ETS/4ETS and BAS driving and driving sa fety sys‐
te ms may also malfunction.
The wheels may lock when braking. The braking dis tance may increase in an emergency braking situation. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y. #
Drive on carefully. #
Consult a qualified specialist workshop immediatel y.
Differential lock active ABS
and ESP not available *
ABS and ESP ®
are not available when the dif fere ntial lo cks are switched on.
Other driving and driving saf ety sy stems may also be una vailable.
The brake sy stem continues tooperate normally. The braking dis tance may increase in an emergency braking situa‐
tion. &
WARNING Risk of skidding if ABS and ESP ®
are una vailable
If ABS and ESP ®
are una vailable, the wheels could lock when braking and ESP ®
cann otper form vehicle stabili‐
sation.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an eme rgency braking situation. In addition, other driving saf ety sy stems are switched off. 480
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Drive on carefull y. #
Switch on the dif fere ntial lo cks only for off-road driving. #
Switch off the dif fere ntial lo cks immediately af ter off-road driving. #
Drive on careful ly. #
Switch on the dif fere ntial lo cks only for off-road driving. #
Switch off the dif fere ntial lo cks immediately af ter off-road driving.
Desert drive progr. active
ESP unavailable See Own-
er's Manual *
ABS and ESP ®
are restricted in the Desert drive program.
Other driving and driving saf ety sy stems may also be una vailable.
The brake sy stem continues tooperate normally. The braking dis tance may increase in an emergency braking situa‐
tion. &
WARNING Risk of skidding if ABS and ESP ®
are restricted
If ABS and ESP ®
are restricted, the wheels could lock when braking and ESP ®
cann otper form vehicle stabilisa‐
tion.
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may
increase in an emergency braking situation. In addition, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Activate the Desert drive prog ram only when driving on sand. Display messa
ges and warning/indicator lamps 481

Display messages
Possible causes/consequences and M
MSolutions #
Deactivate the Desert drive program immediately af ter driving on sand. #
Drive on careful ly. #
Activate the Desert drive prog ram only when driving on sand. #
Deactivate the Desert drive program immediately af ter driving on sand.
LOW RANGE Stop Apply
parking brake *T
here is a transfer case malfunction. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Apply the electric parking brake. #
Where necessar y,also secure theve hicle against rolling away. #
Switch the transmission toposition j.
ÿ
Different. lock sys. Mal-
function *T
here is a transfer case malfunction. #
Do not shift the transfer case! #
Use the electric parking brake tosecure theve hicle against rolling away. #
Consult a qualified specialist workshop.
LOW RANGE Deactivate dif-
ferential locks *O
ne or se veral shifting conditions werenot met. #
Toengage HIGH RANGE, the dif fere ntial lo cks must be switched off. #
Repeat thege ar change. 482
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
Gearbox protection Limit
30 km/h Switch off LOW
RANGE *T
he oil temp erature in the transfer case is too high. #
Inthe on-ro ad position, shift toHIGH RANGE.
ÿ
Different. locking sys. cool-
ing down Please wait *T
he dif fere ntial lo cks are overheated. #
Wait briefly.
LOW RANGE Shifting can-
celled Please reactivate *T
he transfer case did not per form thege ar change. #
Repeat thege ar change. #
Ensure all shifting conditions are met (/ page159).
LOW RANG E Max. speed
10 km/h *T
he maximum speed forch anging gear of 10km/h has been exceeded. #
Drive more slowl y. #
Repeat thege ar change.
LOW RANGE Max. speed
20 km/h *T
he maximum speed forch anging gear of 20 km/h has been exceeded. #
Drive more slowly. #
Repeat thege ar change. 484
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Consult a qualified specialist workshop.
Ð Steering malfunction
Increased physical effort
See Owner's Manual *T
he po wer assi stance forth esteering is malfunctioning. &
WARNING Risk of an accident due toaltered steering characteristics
If th e po wer assi stance of thesteering fails partially or comple tely, you will need touse more forc eto steer. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y. #
If safe steering is possible, drive on carefully. #
Visit or consult a qualified specialist workshop immediatel y.
? *T
he bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. #
Never unlock the engine bonn etwhen driving. 486
Display messages and warning/indicator lamps