Mercedes-Benz GL-Class: Driving systems
Display messages
Level Selection Not Permitted
Possible causes/consequences and ► Solutions
You cannot change the vehicle level, because:
• you are exceeding the permissible speed for
the selected
vehicle level.
• you are towing a trailer.
• the trailer-coupling socket is being used,
e.g. for a bicycle rack.
► Drive more slowly and then select the
desired vehicle level again.
► Observe the notes on towing a
trailer.
Display messages
Compressor Cooling Down
Possible causes/consequences and ► Solutions
You have selected a higher vehicle level. The compressor first
needs to cool down because of frequent level changes.
► Drive in a manner appropriate for the
current vehicle level.
► Make sure that there is sufficient ground
clearance.
► Allow the compressor to cool down.
When the compressor has cooled down, the display message
disappears. The vehicle then continues rising to the selected
level.
Display messages
Malfunction
Possible causes/consequences and ► Solutions
Level control is defective.
► Do not drive faster than 50 mph (80
km/h).
► Make sure that there is sufficient ground
clearance.
► Have the vehicle checked at a qualified
specialist workshop.
Display messages
Reduce speed to under 12 MPH
Possible causes/consequences and ► Solutions
Risk of accident
You are exceeding the speed permissible for the selected off-road
level.
► Adjust your driving style to the altered
handling characteristics.
► Only make slight steering movements and
avoid fast steering
movements.
► Do not drive faster than 12 mph (20 km/h).
Display messages
Rising Max. 12 MPH
Possible causes/consequences and ► Solutions
The vehicle is being adjusted to off-road level 3. The display
message informs you of the maximum speed permissible for offroad
level 3.
► Do not drive faster than 12 mph (20 km/h).
Display messages
Max. 12 MPH
Possible causes/consequences and ► Solutions
You are driving in off-road level 3. The display message informs
you of the maximum speed permissible for off-road level 3.
► Do not drive faster than 12 mph (20 km/h).
Display messages
Being lowered Max.
12 MPH
Possible causes/consequences and ► Solutions
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.
► Do not drive faster than 12 mph (20 km/h)
until off-road level 2
has been reached.
Display messages
Locking System Inoperative Service Required
Possible causes/consequences and ► Solutions
The differential locks are defective.
► Do not drive faster than 50 mph (80
km/h).
► Have the vehicle checked at a qualified
specialist workshop.
Display messages
Diff. Lock System Overheated - Wait briefly.
Possible causes/consequences and ► Solutions
The differential locks are too hot and have been disengaged.
► Drive on carefully.
► Allow the differential locks to cool
down.
The differential locks reengage as soon as they have cooled
down.
Display messages
Stop vehicle, engage parking brake
Possible causes/consequences and ► Solutions
A gearshift process has been canceled. LOW RANGE is in the
neutral position. There is no connection between the engine and
the drive wheels.
► Pull over and stop the vehicle safely as
soon as possible, paying
attention to road and traffic conditions.
► Engage the parking brake. Do not continue
driving under any
circumstances.
► Repeat the gearshift process.
Display messages
Service Required If parked engage pk. brake
Possible causes/consequences and ► Solutions
LOW RANGE is malfunctioning.
► Do not drive faster than 50 mph (80
km/h).
► Engage the parking brake to park.
► Have the vehicle checked at a qualified
specialist workshop.
Display messages
Max. Speed 25 MPH
Possible causes/consequences and ► Solutions
You have exceeded the maximum speed for the gearshift process.
► Drive slower.
The gearshift process is carried out.
Display messages
Max. Speed 40 MPH
Possible causes/consequences and ► Solutions
You have exceeded the maximum speed for the gearshift process.
► Drive slower.
The gearshift process is carried out.
Display messages
Shift briefly into N
Possible causes/consequences and ► Solutions
You have reduced the vehicle speed, but the automatic
transmission is not in position N.
► Briefly shift the automatic transmission
to position N.
Display messages
Shifting Process Canceled Reactivate
Possible causes/consequences and ► Solutions
The gearshift process has been canceled.
► Repeat the gearshift process.
Display messages
Inoperative
Possible causes/consequences and ► Solutions
DSR (Downhill Speed Regulation) is deactivated due to a
malfunction.
► Have DSR checked at a qualified specialist
workshop.
Display messages
Blind Spot Assist Currently Unavailable, See Operator's Manual
Possible causes/consequences and ► Solutions
Blind Spot Assist is temporarily inoperative if:
• the sensors are dirty.
• its function is impaired due to heavy rain
or snow.
• the radar sensor system is outside the
operating temperature
range.
• 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 indicator lamps also
light up in the exterior
mirrors.
Blind Spot Assist is operational again and the display message
disappears if:
• the dirt (e.g. slush) drops away while the
vehicle is in motion.
• the system detects that the sensors are
fully available again.
• the radar sensor system is back within the
operating
temperature range.
If the display message continues to be displayed:
► Clean the sensors.
► Restart the engine.
Display messages
Blind Spot Assist Inoperative
Possible causes/consequences and ► Solutions
Blind Spot Assist is defective.
The yellow indicator lamps also
light up in the exterior
mirrors.
► Visit a qualified specialist workshop.
Display messages
Cruise Control Inoperative
Possible causes/consequences and ► Solutions
Cruise control is defective.
► Visit a qualified specialist workshop.
Display messages
Cruise Control --- MPH
Possible causes/consequences and ► Solutions
A condition for activating cruise control has not been fulfilled.
You attempted to save a speed of less than 20 mph (30 km/h).
► If the situation allows, drive faster than
20 mph (30 km/h) and
save the speed.
► Check the activation conditions for cruise
control.
Display messages
DISTRONIC --- MPH
Possible causes/consequences and ► Solutions
An activation condition for DISTRONIC is not fulfilled.
► Check the activation conditions for
DISTRONIC.
Display messages
DISTRONIC Override
Possible causes/consequences and ► Solutions
DISTRONIC is no longer controlling the speed of the vehicle.
► Take your foot off the accelerator pedal.
Display messages
DISTRONIC Inoperative
Possible causes/consequences and ► Solutions
DISTRONIC is defective or the display has failed.
► Visit a qualified specialist workshop.
Display messages
DISTRONIC Currently Unavailable See Operator's Manual
Possible causes/consequences and ► Solutions
DISTRONIC is deactivated and is temporarily inoperative if:
• the DISTRONIC cover in the radiator grill
is dirty.
• its function is impaired due to heavy rain,
snow or fog.
• 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 radar sensor system has not detected
any vehicles or
stationary objects, e.g. traffic signs, for a long time.
• the system is outside the operating
temperature range.
DISTRONIC becomes available again and the display message
disappears if:
• the dirt (e.g. slush) drops away while the
vehicle is in motion.
• the system detects that the sensors are
fully available again.
• the system is within the operating
temperature range.
If the display message continues to be displayed:
► Clean the DISTRONIC cover in the
radiator grill.
► Restart the engine.
WARNING
DISTRONIC cannot take weather conditions into account. Switch off DISTRONIC or
do not turn it on if the sensor is dirty or visibility is diminished as a result
of snow, rain or fog. The distance control may be impaired even before the
system is able to detect a dirty sensor. The DISTRONIC Currently Unavailable See
Operator's Manual message will be displayed in the multifunction display and
DISTRONIC will be turned off.
Engine
Display messages Top Up Coolant See Operator's Manual Possible causes/consequences and ► Solutions The coolant level is too low. ► Add coolant, observing the warning notes ...Tires
WARNING Do not drive with a flat tire. A flat tire affects the ability to steer or brake the vehicle. You may lose control of the vehicle. Continued driving with a flat tire will cause ...See also:
Cargo Management System
This vehicle has a cargo management system located in the rear.
To remove the cargo management cover:
1. Open the cover. It remains open when lifted.
2. Pull the cover up making sure to unhook th ...
Using this Manual
To quickly locate information about the vehicle, use the Index in the back of
the manual. It is an alphabetical list of what is in the manual and the page number
where it can be found. ...
Using the 3.5mm (1/8 in) Auxiliary Input Jack
The auxiliary input jack is located on the lower right side of the faceplate.
This is not an audio output; do not plug a headphone set into the front auxiliary
input jack. Connect an auxiliary inpu ...