2016 MERCEDES-BENZ GL ECU
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Display messages
Possible causes/consequences and P Solutions
I Front lef t parkin g
lam p or Front
right parkin g lam p The fron t lef t or fron t right parkin g or standin g lamp is defective.X
Chec k whether you are permitte d to replac e th e bulb yourself
( Y
page 137).
or X
Visit a qualified specialist workshop .
I Backup Light The backup lamp is defective. X
Visit a qualified specialist workshop .
I Front lef t sid e
marker lam p or
Front right sid e
marker lam p The fron t left-han d or fron t right-hand side marke r lamp is faulty.X
Visit a qualified specialist workshop .
I Lef t tai l lam p or
Right tai l lam p The lef t or right-hand tai l lamp is defective.
or
The rear left-han d or rear right-hand side marke r lamp is faulty.X
Visit a qualified specialist workshop .
I Check Lef t Daytim e
Runnin g Light or
Check Right Day ‐
tim e Runnin g Light The lef t or right-hand daytime running lamp is faulty. X
Visit a qualified specialist workshop .
I Active Light Sys ‐
tem inoperative The active ligh t function is faulty. X
Visit a qualified specialist workshop .
I Malfunction See
Operator' s Manual The exterio r lighting is defective. X
Visit a qualified specialist workshop .
Vehicles wit h trailer to w hitch : a fus e may hav e blown .X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Chec k th e fuses ( Y
page 400).X
If necessary, replac e th e blown fuse. Observ e th e warnin g notes.
If th e display message continues to be displayed: X
Visit a qualified specialist workshop .Display messages 30 5
On-board computer and displays Z
Page 310 of 462
Display messages
Possible causes/consequences and P Solutions
= Sto p Vehicl e See
Operator' s Manual The battery is no longer bein g charged and th e battery charg e level
is to o low.
A warnin g tone also sounds. X
Pull ove r and stop th e vehicl e safely and switch of f th e engine,
payin g attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Observ e th e instruction s in th e = See Operator' s Manual
display message .X
Consult a qualified specialist workshop .
Page 315 of 462
Display messages
Possible causes/consequences and P Solutions
LOW RANGE Malfunc‐
tio n To park,
apply parkin g brake LO W RANGE is malfunctioning. X
Do no t drive at speeds abov e 50 mph (80 km/h).X
Whe n parking, secure th e vehicl e against rollin g away
( Y
page 189). X
Hav e th e system checke d at a qualified specialist workshop .
LOW RANGE max .
speed 25 mph You hav e exceeded th e maximum speed fo r th e gearshift process.X
Drive mor e slowly.
The gear chang e is made .
LOW RANGE max .
speed 40 mph You hav e exceeded th e maximum speed fo r th e gearshift process.X
Drive mor e slowly.
The gear chang e is made .
LOW RANGE Shift to
position N briefl y You hav e reduce d th e vehicl e speed, but th e automati c transmis -
sio n is no t in position N .X
Briefly shift th e automati c transmissio n to position N .
LOW RANGE Shifting
Canceled Please
Reactivat e The gearshift process has been canceled. X
Repea t th e gearshift process.
Page 316 of 462
Display messages
Possible causes/consequences and P Solutions
Lan e Keepin g
Assist Currently
Unavailable See
Operator' s Man ‐
ual or A ctive Lan e
Keepin g Assist Cur ‐
rently Unavailable
See Operator' s Man ‐
ual Lan e Keepin g Assis t or Active Lan e Keepin g Assis t is deactivated
and temporarily inoperative. Possibl e causes are:R
th e windshield in th e camera' s field of vision is dirty.R
visibility is impaire d due to heav y rain , snow or fog.R
there hav e been no lan e marking s fo r an extended period.R
th e lan e marking s are worn, dark or covered, e.g. by dir t or snow.
Whe n th e causes state d abov e no longer apply, th e display mes -
sage disappears.
Lan e Keepin g Assis t or Active Lan e Keepin g Assis t is operational
again .
If th e display message does no t disappear :X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Clean th e windshield.
Lan e Keepin g
Assist inopera‐
tiv e or Active Lan e
Keepin g Assist
inoperative Lan e Keepin g Assis t or Active Lan e Keepin g Assis t is defective.X
Visit a qualified specialist workshop .
Blind Spo t Assist
Currently Unavail‐
abl e See Opera‐
tor's Man ‐
ual or A ctive Blind
Spo t Assist Cur ‐
rently Unavailable
See Operator' s Man ‐
ual Blind Spot Assis t or Active Blind Spot Assis t is temporarily inop-
erative . Possibl e causes are:R
th e rada r sensor system is outside th e operating temperature
range. R
th e rada r sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radi o sta-
tion s or other source s of electromagnetic radiation .
The yello w c indicato r lamp s also ligh t up in th e exterio r mir -
rors.
Whe n th e causes state d abov e no longer apply, th e display mes -
sage disappears.
Blind Spot Assis t or Active Blind Spot Assis t is operational again .
If th e display message does no t disappear :X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Restart th e engine.314
Display messages
On-board computer and displays
Page 318 of 462
Display messages
Possible causes/consequences and P Solutions
DISTRONIC PLU S off DISTRONIC PLU S has been deactivated ( Y
page 205).
If it was deactivated automatically, a warnin g tone also sounds.
DISTRONIC PLU S
available again DISTRONIC PLU S is operational again after havin g been tempo -
rarily unavailable . You can no w reactivat e DISTRONIC PLU S
( Y
page 205).
DISTRONIC PLU S Cur ‐
rently Unavailable
See Operator' s Man ‐
ual DISTRONIC PLU S is temporarily inoperative.
Possibl e causes are: R
function is impaire d due to heav y rain or snow.R
th e rada r sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radi o sta-
tion s or other source s of electromagnetic radiation .R
th e system is outside th e operating temperature range.R
th e on-boar d voltag e is to o low.
A warnin g tone also sounds.
Whe n th e causes state d abov e no longer apply, th e display mes -
sage disappears.
DISTRONIC PLU S is operational again .
If th e display message does no t disappear :X
Pull ove r and stop th e vehicl e safely as soo n as possible, payin g
attention to roa d and traffic conditions.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Restart th e engine.
DISTRONIC PLU S
inoperative DISTRONIC PLU S is defective.
The following may hav e also failed:R
BA S PLU S R
PRE-SAF E ®
Brake
A warnin g tone also sounds. X
Visit a qualified specialist workshop .
DISTRONIC PLU S sus ‐
pended You hav e depressed th e accelerato r pedal . DISTRONIC PLU S is no
longer controllin g th e speed of th e vehicle.X
Remove your foot from th e accelerato r pedal .
DISTRONIC PLU S
- - - mph An activation condition fo r DISTRONIC PLU S is no t fulfilled .X
Chec k th e activation condition s fo r DISTRONIC PLU S
( Y
page 205).316
Display messages
On-board computer and displays
Page 320 of 462
Tires Display messages
Possible causes/consequences and P Solutions
Check Tire Pres‐
sure Soon The tire pressure loss warning system has detected a significant
loss in pressure.
A warning tone also sounds.
Possible causes: R
you have changed the positions of the wheels and tires or instal-
led new wheels and tires. R
the tire pressure in one or more tires is not correct.
G WARNING
Tire pressures that are too low pose the following hazards: R
they may burst, especially as the load and vehicle speed
increase. R
they may wear excessively and/or unevenly, which may greatly
impair tire traction. R
the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident. X
Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so. X
Secure the vehicle against rolling away ( Y
page 189).X
Check the tires and, if necessary, follow the instructions for a
flat tire ( Y
page 387). X
Check the tire pressures and, if necessary, correct the tire pres-
sure. X
Restart the tire pressure loss warning system when the tire
pressure is correct ( Y
page 412).
Check Tire Pres‐
sure Then Restart
Run Flat Indicator The tire pressure loss warning system generated a display mes-
sage and has not been restarted since. X
Set the correct tire pressure in all four tires. X
Restart the tire pressure loss warning system ( Y
page 412).
Run Flat Indicator
Inoperative The tire pressure loss warning system is faulty. X
Visit a qualified specialist workshop.
Please Correct
Tire Pressure The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great. X
Check the tire pressures at the next opportunity ( Y
page 412).X
If necessary, correct the tire pressure. X
Restart the tire pressure monitor ( Y
page 415).318
Displa y messages
On-board computer and displays
Page 321 of 462
Display messages
Possible causes/consequences and P Solutions
Check Tires The tire pressur e in on e or mor e tires has dropped significantly.
The whee l position is displayed in th e multifunction display.
A warnin g tone also sounds.
G WARNIN G
Tir e pressures that are to o low pos e th e following hazards :R
they may burst, especially as th e load and vehicl e speed
increase . R
they may wear excessivel y and/o r unevenly, whic h may greatl y
impair tire traction .R
th e drivin g characteristics , as well as steerin g and braking, may
be greatl y impaired.
There is a ris k of an accident. X
Stop th e vehicl e without makin g any sudden steerin g or brakin g
maneuvers . Pay attention to th e traffic condition s as you do so.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Chec k th e tires and , if necessary, follow th e instruction s fo r a
flat tire ( Y
page 387). X
Chec k th e tire pressur e ( Y
page 412).X
If necessary, correc t th e tire pressure.
Warnin g Tir e Mal ‐
function The tire pressur e in on e or mor e tires has dropped suddenly. The
whee l position is shown in th e multifunction display.
G WARNIN G
Drivin g wit h a flat tire poses a ris k of th e following hazards :R
a flat tire affects th e abilit y to steer or brak e th e vehicle.R
you could los e control of th e vehicle.R
continued drivin g wit h a flat tire will caus e excessive heat build-
up and possibl y a fire.
There is a ris k of an accident. X
Stop th e vehicl e without makin g any sudden steerin g or brakin g
maneuvers . Pay attention to th e traffic condition s as you do so.X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Chec k th e tires and , if necessary, follow th e instruction s fo r a
flat tire ( Y
page 387). Display messages 31 9
On-board computer and displays Z
Page 323 of 462
Display messages
Possible causes/consequences and P Solutions
Ris k of vehicl e
rollin g Transmis‐
sio n not in P The driver's doo r is open/not completely closed and th e trans -
missio n is in position R , N or D .
A warnin g tone also sounds.
G WARNIN G
The vehicl e may rol l away.
There is a ris k of an accident. X
Shift th e transmissio n to position P .X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Clos e th e driver's doo r completely.
Onl y select Par k
(P) whe n vehicl e
is stationar y The vehicl e is moving. X
Stop th e vehicl e safely as soo n as possible, payin g attention to
roa d and traffic conditions. X
Shift th e transmissio n to position P .
Withou t changing
gear, consul t work‐
sho p You canno t chang e th e transmissio n position due to a malfunction .
A warnin g tone also sounds.
If transmissio n position D is selected:X
Drive to a qualified specialist workshop without shiftin g th e
transmissio n from position D .
If transmissio n position R , N or P is selected:X
Secur e th e vehicl e against rollin g away ( Y
page 189).X
Notify a qualified specialist workshop or breakdown service.
Auxiliary batter y
malfunction The auxiliar y battery fo r th e automati c transmissio n is no longer
bein g charged. X
Visit a qualified specialist workshop at th e next opportunity.X
Unti l then , set th e automati c transmissio n to position P before
you switch of f th e engine.X
Before leavin g th e vehicle, apply th e electric parkin g brake.X
Secur e th e vehicl e against rollin g away ( Y
page 189).
e The tailgat e is open .
G WARNIN G
Whe n th e engin e is running , exhaus t gase s can ente r th e vehicl e
interio r if th e tailgat e is open .
There is a ris k of poisoning. X
Clos e th e tailgate. Display messages 32 1
On-board computer and displays Z