2016 MERCEDES-BENZ GL-Class check engine
[x] Cancel search: check enginePage 308 of 462
Display messagesPossible causes/consequences andMSolutions
b
AUTOlightsinoper ‐
ative
The ligh tsensor is defective.
XVisit aqualified specialist workshop .
b
Switch off lights
You leaveth evehicl eand th eligh tis still switched on . Awarnin g
tone also sounds.
XTur nth eligh tswitch to th eà position .
Adaptive Highbeam
Assist Currently
Unavailable See
Operator' sManual
Adaptive Highbeam Assis tis deactivated and temporarily inoper -
ative. Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibility is impaire ddue to heav yrain ,snow or fog.
XClean th ewindshield.
If th esystem detects that th ecamera is full yoperational again ,th e
Adaptive Highbeam Assist Now Available
message is dis-
played .
Adaptive Highbeam Assis tis operational again .
Adaptive Highbeam
Assist Inoperative
Adaptive Highbeam Assis tis faulty.
XVisit aqualified specialist workshop .
Engine
Display messagesPossible causes/consequences and MSolutions
+
Check Coolant
Level See Opera‐
tor's Manual
The coolantlevel is to olow.
!Avoid makin glon gjourneys wit hto olittl ecoolan tin th eengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAd dcoolant, observin gth ewarnin gnote sbefore doin gso
(
Ypage 373).
XIf you need to add coolan tmor eofte nthan usual, hav eth e
engin ecoolan tsystem checke dat aqualified specialist work-
shop.
?The fan motor is faulty.
XAt coolan ttemperatures belo w24 8 ‡ (120†), drive to th e
neares tqualified specialist workshop .
XAvoid subjecting theengin eto heav yloads ,e.g. drivin gin moun-
tainous terrain ,and stop-and-g otraffic.
306Display messages
On-board computer and displays
Page 310 of 462
Display messagesPossible causes/consequences andMSolutions
#
StopVehicl eSee
Operator' sManual
The battery is no longer bein gcharged and th ebattery charg elevel
is to olow.
A warnin gtone also sounds.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XObserv eth einstruction sin th e# SeeOperator' sManual
display message .
XConsultaqualified specialist workshop .
4
Check Engine Oil
At NextRefueling
The engin eoil level has dropped to th eminimum level.
A warnin gtone also sounds.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill
otherwise be damaged.
XChec kth eoil level when next refueling, at th elatest
(
Ypage 371).
XIf necessary, add engin eoil (Ypage 372).
XHav eth eengin echecke dat aqualified specialist workshop if
you need to add engin eoil mor eofte nthan usual.
Information on approve dengin eoils can be obtained from any
qualified specialist workshop or on th eInternet at http:/ /
bevo.mercedes-benz.com.
4
Check Engine Oil
Level (Ad d 1
quart)
Mercedes-AMG vehicles: th eengin eoil level is to olow.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill
otherwise be damaged.
XChec kth eoil level when next refueling, at th elatest
(
Ypage 371).
XIf necessary, add engin eoil (Ypage 372).
XHav eth eengin echecke dat aqualified specialist workshop if
you need to add engin eoil mor eofte nthan usual.
Information on approve dengin eoils can be obtained from any
qualified specialist workshop or on th eInternet at http:/ /
bevo.mercedes-benz.com.
308Display messages
On-board computer and displays
Page 311 of 462
Display messagesPossible causes/consequences andMSolutions
4
Engine Oil Level
StopVehicl eTur n
Engine Off
Mercedes-AMG vehicles: th eengin eoil level is to olow.
There is aris kof engin edamage.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XCheckth eengin eoil level (Ypage 371).
XIf necessary, add engin eoil (Ypage 372).
8
Fue lLevel Low
The fuel level has dropped into th ereserv erange.
XRefuel at th eneares tgas station .
CThere is only aver ysmall amount of fue lin th efuel tank.
XRefuel at th eneares tgas station without fail .
8
Gas Cap Loose
The fuel system pressur eis to olow. The fuel filler cap is no tclosed
correctl yor th efue lsystem is leaking.
XChec kthat th efue lfiller cap is correctl yclosed .
If th efuel filler cap is not correctl yclosed :
XCloseth efuel filler cap .
If th efuel filler cap is correctl yclosed :
XVisitaqualified specialist workshop .
8
Ultra Low-sulfur
Diesel FuelOnl y
Vehicles wit h adiesel engine: th efuel level has fallen belo wthe
reserv erange.
XRefuel at th eneares tgas station .
XOnly use commercially available vehicular ULTRA-LOW SULFUR
HIGHWAY DIESEL FUEL (ULSD ,15 ppm sulfur MAXIMUM) .
¸
ReplaceAir Filter
Vehicles wit h adiesel engine: th eengin eair filte ris dirty and mus t
be replaced.
XVisit aqualified specialist workshop .
!
Check FuelFilter
Vehicles wit h adiesel engine: there is water in th efuel filter. The
water mus tbe draine doff.
XVisit aqualified specialist workshop .
Display messages309
On-board computer and displays
Z
Page 312 of 462
Display messagesPossible causes/consequences andMSolutions
Ø
CheckAdditiveSee
Operator'sManual
The DE Ftan kis almost empty.
XHav eth eDE Ftan kfilled as soo nas possibl eat aqualified spe -
cialist workshop (
Ypage 186).
Ø
Remaining Starts :
16
The DEFlevel has fallen to aminimum .You can start th eengin e a
further 16 times .
XHaveth eDE Ftan kfilled immediately at aqualified specialist
workshop (
Ypage 186).
iYou can start th eengin e afurther 16 times .If DE Fis no tadded ,
it will then no tbe possibl eto restar tth eengine. Refill th eDE F
tan kwit happroximately 1gal (3.8 l)DEF (
Ypage 186).
Driving systems
Display messagesPossible causes/consequences and MSolutions
À
Attention Assist:
Take a Break!
Based on certain criteria, ATTENTION ASSIST has detected fatigue
or a lack of concentration on the part of the driver. A warning tone
also sounds.
XIf necessary, take a break.
During long journeys, take regular breaks in good time so you get enough rest.
À
Attention Assist
Inoperative
ATTENTION ASSIST is inoperative.
XVisit a qualified specialist workshop.
Á
Drive More Slowly
You cannot change the vehicle level. Possible causes are:
Ryou are driving too fast for the selected vehicle level.
Ryou are towing a trailer.
Rthe socket of the trailer tow hitch is being used, e.g. for a bicyclerack.
XDrive more slowly and then select the desired vehicle level
again.
RVehicles with the ON&OFFROAD package (Ypage 213)
RVehicles with the AIRMATIC package (Ypage 219)
XObserve the notes on towing a trailer (Ypage 264).
310Displa y messages
On-board computer and displays
Page 314 of 462
Display messagesPossible causes/consequences andMSolutions
ACTIVE CURVE SYS‐
TEM Malfunction
SeeOperator'sMan‐
ual
The Active Curv eSyste mis faulty. The vehicle's handlin gcharac -
teristics are severely impaired. Awarnin gtone also sounds.
GWARNIN G
There isaris kof an accident.
XDrive on carefully.
XAdjus tyour drivin gstyle to th ealtere dhandlin gcharacteristics .
XAvoid sudden acceleration around tight corners and fas tsteer -
in g movements.
XDo no tdrive at speeds abov e50 mph (80 km/ h).
XVisit a qualified specialist workshop immediately.
Á
RaisingMax.speed
12 mph
The vehicle is being adjusted to off-road level 3. The display mes-
sage informs you of the maximum speed permissible for off-road
level 3.
XDo not drive at speeds above 12 mph (20 km/h).
g
LoweringMax.
speed 12 mph
The vehicle is being lowered from off-road level 3 to off-road level
2. The display message informs you of the maximum speed per-
missible for off-road level 3.
XDo not exceed 12 mph (20 km/h) until the vehicle has reached
off-road level 2.
8
Different. lock
sys. Malfunction
The differential lock is faulty.
XDo not drive at speeds above 50 mph (80 km/h).
XHave the system checked at a qualified specialist workshop.
8
Different.locking
sys. cooling down
Please wait
The differential lock is too hot and has been disengaged.
XDrive on carefully.
XAllow the differential lock to cool down.
The differential lock re-engages as soon as it has cooled down.
LOW RANGE Stop
Applyparkingbrake
A gearshift process has been canceled. LOW RANGE is in the neu-
tral position. There is no connection between the engine and the
drive wheels.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XApply the electric parking brake. Do not continue driving under
any circumstances.
XRepeat the gearshift process.
312Display messages
On-board computer and displays
Page 318 of 462
Display messagesPossible causes/consequences andMSolutions
DISTRONIC PLUSoffDISTRONIC PLU Shas been deactivated (Ypage 205).
If it was deactivated automatically, awarnin gtone also sounds.
DISTRONIC PLU S
available again
DISTRONIC PLUSis operational again after havin gbeen tempo -
rarily unavailable .You can no wreactivat eDISTRONIC PLU S
(
Ypage 205).
DISTRONICPLU SCur‐
rentlyUnavailable
SeeOperator' sMan‐
ual
DISTRONIC PLU Sis temporarily inoperative.
Possibl ecauses are:
Rfunction is impaire ddue to heav yrain or snow.
Rth erada rsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radi osta-
tion sor other source sof electromagnetic radiation .
Rthesystem is outside th eoperating temperature range.
Rth eon-boar dvoltag eis to olow.
A warnin gtone also sounds.
Whe nth ecauses state dabov eno longer apply, th edisplay mes -
sage disappears.
DISTRONIC PLU Sis operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 189).
XRestart th eengine.
DISTRONIC PLU S
inoperative
DISTRONIC PLUSis defective.
The following may hav ealso failed:
RBA SPLU S
RPRE-SAF E®Brake
A warnin gtone also sounds.
XVisit aqualified specialist workshop .
DISTRONICPLUSsus‐
pended
You hav edepressed th eaccelerato rpedal .DISTRONIC PLU Sis no
longer controllin gth espeed of th evehicle.
XRemove your foot from th eaccelerato rpedal .
DISTRONIC PLU S
- - -mph
An activation condition fo rDISTRONIC PLU Sis no tfulfilled .
XCheckth eactivation condition sfo rDISTRONIC PLU S
(
Ypage 205).
316Display messages
On-board computer and displays
Page 333 of 462
ProblemPossible causes/consequences andMSolutions
å
The yellow ESP
®OFF
warning lamp is lit while
the engine is running.
ESP®is deactivated.
GWARNING
If ESP®is switched off, ESP®is unable to stabilize the vehicle.
Further driving systems or driving safety systems are thus restric-
ted, e.g. Active Blind Spot Assist. The system does not perform
course-correcting brake applications.
There is an increased risk of skidding and an accident.
XReactivate ESP®.
In rare cases (
Ypage 74), it may be best to deactivate ESP®.
Observe the important safety notes on ESP
®(Ypage 73).
XAdapt your driving style to suit the road and weather conditions.
If ESP
®cannot be activated:
XHave ESP®checked at a qualified specialist workshop.
֌
The yellow ESP
®and
ESP®OFF warning
lamps are lit while the
engine is running.
ESP®, BAS, BAS PLUS, COLLISION PREVENTION ASSIST, ESP®
trailer stabilization, PRE‑ SAFE®, PRE‑SAFE®Brake, the HOLD func-
tion, hill start assist, Crosswind Assist, STEER CONTROL, Active
Lane Keeping Assist and Active Blind Spot Assist are not available
due to a malfunction.
ATTENTION ASSIST is deactivated.
GWARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP
®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XObserve the additional display messages in the multifunction
display.
XDrive on carefully.
XVisit a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster331
On-board computer and displays
Z
Page 335 of 462
ProblemPossible causes/consequences andMSolutions
F(USA only)
The red electric parking
brake indicator lamp
flashes or lights up
and/or
!
the yellow warning
lamp for the electric
parking brake lights up.XObserve the additional display messages in the multifunction
display.
6
The red restraint sys-
tem warning lamp is lit
while the engine is run-
ning.The restraint system is faulty.
GWARNING
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in the event of an accident, may not be
triggered.
There is an increased risk of injury.
XObserve the additional display messages in the multifunction
display.
XDrive on carefully.
XHave the restraint system checked immediately at a qualified
specialist workshop.
For further information about the restraint system, see
(
Ypage 44).
Warning and indicator lamps in the instrument cluster333
On-board computer and displays
Z