Mercedes-Benz 2013 M Class - Manual (Page 306)

Display messages Possible causes/consequences and M Solutions
ACTIVE CURVE
SYSTEM Malfunction
See Operator's
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 faster than 50 mph (80km/h).
X Visit a qualified specialist workshop immediately.
Á
Raising Max. Speed
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 faster than 12 mph (20 km/h).
g
Lowering Max.
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 drive faster than 12 mph (20 km/h) until off-road level 2
has been reached.
8
Different. Lock
Sys. Malfunction
The differential lock is malfunctioning.
X Do not drive faster than 50 mph (80km/h).
X Have the vehicle checked at a qualified specialist workshop.
8
Different. Locking
Sys. Cooling Down
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.
LOW RANGE Stop
Apply Parking 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.
304
Display messages
On-board computer and displays