2014 MERCEDES-BENZ GL-Class Owner's Manual

Display messages Possible causes/consequences and
M
MSolutions ACTIVE CURVE
ACTIVE CURVE
SYSTEM Malfunction SYSTEM Malfunction The Active Curve System is faulty. The vehicle's handling
characteristics may be affected.
X
Do not drive at speeds above 50 mph (80 km/h).
X Have the vehicle checked at a qualified specialist workshop. ACTIVE CURVE ACTIVE CURVE
SYSTEM SYSTEM
Malfunction
Malfunction
see Operator's
see Operator's
Manual Manual The Active Curve System is faulty. The vehicle's handling
characteristics are severely impaired. A warning tone also sounds.
G WARNING
There is a risk of an accident.
X Drive on carefully.
X Adjust your driving style to the altered handling characteristics.
X Avoid sudden acceleration in tight bends and fast steering
movements.
X Do not drive at speeds above 50 mph (80 km/h).
X Visit a qualified specialist workshop immediately. Á
Raising Raising
Max.
Max.Speed
Speed
12 mph
12 mph The vehicle is being adjusted to off-road level 3. The display
message informs you of the maximum speed permissible for off-
road level 3.
X
Do not drive at speeds above 12 mph (20 km/h). g
Lowering Lowering
Max.
Max.
Speed 12 mph
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
permissible for off-road level 3.
X
Do not exceed 12 mph (20 km/h) until the vehicle has reached
off-road level 2. 8
Different. Lock Different. Lock
Sys. Malfunction Sys. Malfunction The differential lock is malfunctioning.
X
Do not drive at speeds above 50 mph (80 km/h).
X Have the vehicle checked at a qualified specialist workshop. 8
Different. Different.
Locking
Locking
Sys. Cooling Down
Sys. Cooling Down
Please Wait Please Wait The differential lock is too hot and has been disengaged.
X
Drive on carefully.
X Allow the differential lock to cool down.
The differential lock reengages as soon as it has cooled down. Display messages
311On-board computer and displays Z

Display messages Possible causes/consequences and
M
MSolutions LOW RANGE Stop
LOW RANGE Stop
Apply Apply
Parking
Parking Brake
Brake A gearshift process has been canceled. LOW RANGE is in the
neutral position. There is no connection between the engine and
the drive wheels.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the electric parking brake. Do not continue driving under
any circumstances.
X Repeat the gearshift process. LOW RANGE LOW RANGE
Malfunction To Malfunction To
Park, Apply Brake Park, Apply Brake LOW RANGE is malfunctioning.
X
Do not drive at speeds above 50 mph (80 km/h).
X When parking, secure the vehicle against rolling away
(Y page 188).
X Have the vehicle checked at a qualified specialist workshop. LOW RANGE LOW RANGE
Max.Speed 25 mph Max.Speed 25 mph You have exceeded the maximum speed for the gearshift process.
X
Drive more slowly.
The gear change is made. LOW RANGE Max. LOW RANGE Max.
Speed 40 mph Speed 40 mph You have exceeded the maximum speed for the gearshift process.
X
Drive more slowly.
The gear change is made. LOW LOW
RANGE
RANGE Shift
Shiftto
to
Position N Briefly
Position N Briefly You have reduced the vehicle speed, but the automatic
transmission is not in position
N.
X Briefly shift the automatic transmission to position N.LOW LOW
RANGE
RANGE Shifting
Shifting
Canceled Please
Canceled Please
Reactivate Reactivate The gearshift process has been canceled.
X
Repeat the gearshift process. Ã
Inoperative Inoperative DSR (Downhill Speed Regulation) is deactivated due to a
malfunction.
X
Have DSR checked at a qualified specialist workshop. ë
Off Off The HOLD function is deactivated. the vehicle is skidding.
A warning tone also sounds.
X
Reactivate the HOLD function later (Y page 216).Radar Sensors Radar Sensors
Deactivated See Deactivated See
Operator's Manual Operator's Manual The radar sensor system is deactivated.
X
Switch on the radar sensor system (Y page 285).312
Display
messagesOn-board computer and displays

Display messages Possible causes/consequences and
M
MSolutions Lane Keeping
Lane Keeping
Assist Currently Assist Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual
or
Active Lane Active Lane
Keeping Assist
Keeping Assist
Currently Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual Lane Keeping Assist or Active Lane Keeping Assist is deactivated
and temporarily inoperative. Possible causes are:
R
the windshield in the camera's field of vision is dirty.
R visibility is impaired due to heavy rain, snow or fog.
R there are no lane markings for a longer period.
R the lane markings are worn, dark or covered, e.g. by dirt or snow.
When the causes stated above no longer apply, the display
message disappears.
Lane Keeping Assist or Active Lane Keeping Assist is operational
again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Ypage 188).
X Clean the windshield. Lane Keeping Lane Keeping
Assist Assist
Inoperative Inoperative
or
Active Lane
Active Lane
Keeping Assist Keeping Assist
Inoperative Inoperative Lane Keeping Assist or Active Lane Keeping Assist is defective.
X
Visit a qualified specialist workshop. Display
messages
313On-board computer and displays Z

Display messages Possible causes/consequences and
M
MSolutions Blind Spot Assist
Blind Spot Assist
Currently Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual
or
Active Blind Active Blind
Spot Assist
Spot Assist
Currently Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual Blind Spot Assist or Active Blind Spot Assist is temporarily
inoperative. Possible causes are:
R
the sensors are dirty.
R function is impaired due to heavy rain or snow.
R the radar sensor system is outside the operating temperature
range.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
The yellow 9indicator lamps also light up in the exterior
mirrors.
When the causes stated above no longer apply, the display
message disappears.
Blind Spot Assist or Active Blind Spot Assist is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Ypage 188).
X Clean the sensors (Y page 380).
X Restart the engine. Blind Spot Assist or Active Blind Spot Assist is deactivated while
towing a trailer.
You have established the electrical connection between the trailer
and your vehicle.
X
Press aon the steering wheel to confirm the display
message. Blind Spot Assist Blind Spot Assist
Inoperative Inoperative
or
Active Blind Spot
Active Blind Spot
Assist Inoperative Assist Inoperative Blind Spot Assist or Active Blind Spot Assist is defective.
The yellow
9indicator lamps also light up in the exterior
mirrors.
X Visit a qualified specialist workshop. Park Assist Park Assist
Canceled Canceled The driver's door is open and the driver's seat belt has not been
fastened.
X
Repeat the parking process with the seat belt fastened and the
driver's door closed. You have inadvertently touched the multifunction steering wheel
while steering intervention was active.
X
While steering intervention is active, make sure that the
multifunction steering wheel is not touched unintentionally. 314
Display
messagesOn-board computer and displays

Display messages Possible causes/consequences and
M
MSolutions The vehicle has started to skid and ESP
®
has intervened.
X Use Active Parking Assist again later (Y page 226).Park Assist
Park Assist
Inoperative Inoperative You have just carried out a large number of turning or parking
maneuvers.
Active Parking Assist will become available again after
approximately ten minutes (Y
page 226).
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Switch off and restart the engine.
If the display message continues to be displayed:
X Visit a qualified specialist workshop. PARKTRONIC is defective.
X
Visit a qualified specialist workshop. Park Assist Park Assist
Finished Finished The vehicle is parked. A warning tone also sounds.
The display message disappears automatically.
DISTRONIC PLUS Off DISTRONIC PLUS Off DISTRONIC PLUS has been deactivated (Y
page 203).
If it was deactivated automatically, a warning tone also sounds. DISTRONIC
DISTRONIC
PLUS
PLUSNow
Now
Available
Available DISTRONIC PLUS is operational again after having been
temporarily unavailable. You can now reactivate DISTRONIC PLUS
(Y
page 203). Display
messages
315On-board computer and displays Z

Display messages Possible causes/consequences and
M
MSolutions DISTRONIC PLUS
DISTRONIC PLUS
Currently Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual DISTRONIC PLUS is temporarily inoperative. Possible causes are:
R
function is impaired due to heavy rain or snow.
R the sensors in the radiator grill and the bumper are dirty.
R the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
A warning tone also sounds.
When the causes stated above no longer apply, the display
message disappears.
DISTRONIC is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away ( Ypage 188).
X Clean the sensors in the radiator grill and the bumper
(Y page 380).
X Restart the engine. DISTRONIC PLUS DISTRONIC PLUS
Inoperative Inoperative DISTRONIC PLUS is defective.
BAS PLUS (Brake Assist PLUS) and PRE-SAFE
®
Brake may be
inoperative as well.
A warning tone also sounds.
X Visit a qualified specialist workshop. DISTRONIC PLUS DISTRONIC PLUS
Passive Passive You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Remove your foot from the accelerator pedal. DISTRONIC PLUS DISTRONIC PLUS
- - - mph - - - mph An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation conditions for DISTRONIC PLUS
(Y page 203). 316
Display
messagesOn-board computer and displays

Display messages Possible causes/consequences and
M
MSolutions Cruise Control
Cruise Control
Inoperative Inoperative Cruise control is defective.
X
Visit a qualified specialist workshop. Cruise Control Cruise Control
--- mph --- mph A condition for activating cruise control has not been fulfilled.
You have tried to store a speed below 20 mph (30 km/h), for
example.
X
If conditions permit, drive faster than 20 mph (30 km/h) and
store the speed.
X Check the activation conditions for cruise control
(Y page 201). Display
messages
317On-board computer and displays Z

Tires
Display messages Possible causes/consequences and
M
MSolutions Check Tire
Check Tire
Pressure Soon Pressure Soon The tire pressure loss warning system has detected a significant
loss in pressure.
A warning tone also sounds.
G WARNING
With tire pressures which are too low, there is a risk of 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 188).
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
pressure.
X Restart the tire pressure loss warning system when the tire
pressure is correct (Y page 412).Check Tire Check Tire
Pressure Pressure
Then Restart Run Then Restart Run
Flat Indicator Flat Indicator The tire pressure loss warning system generated a display
message 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 Run Flat Indicator
Inoperative
Inoperative The tire pressure loss warning system is faulty.
X
Visit a qualified specialist workshop. Rectify Rectify
Tire Pressure 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
Display
messagesOn-board computer and displays