2013 MERCEDES-BENZ M-Class air condition

Display messages Possible causes/consequences and
0001 Solutions
0012(USA
only)
0009(Canada
only)
Check Brake Fluid Level There is no
tenough brake fluid in the brake fluid reservoir. In
addition, the 0012(USA only)/0009 (Canada only) warning lamp
lights up in the instrument cluster and a warning tone sounds.
G WARNING
The braking effect may be impaired.
There is a ris kofanaccident.
X Pull ove rand stop the vehicle safely as soo nas possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 179).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. 000A
Check Brake Pad
Wear The brake pads/linings have reached their wear limit.
X Visit a qualified specialist workshop. 000A
mbrace Inoperative USA only: one or more of the main functions in the mbrace system
are malfunctioning.
Canada only: one or more of the main functions of the TELEAID
system are malfunctioning.
X USA only: have the mbrace system checked at aqualified
specialist workshop.
X Canada only: have the TELEAI Dsystem checked at a qualified
specialist workshop. PRE-SAFE
Inoperative See
Operator's Manual Important function
sof PRE-SAFE ®
have failed .All other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. Display messages
289On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
PRE-SAFE
Functions
Currently Limited
See Operator's
Manual Vehicles without the Active Driving Assistance package: Adaptive
Brake Assis
tis temporarily inoperative. Possible causes are:
R function is impaired due to heavy rain or snow.
R the sensor in the bumper is 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 AMG vehicles: ESP ®
is deactivated.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
When the causes stated above no longer apply, the display
message disappears.
Adaptive Brake 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 (Y page 179).
X Cleant he bumpers (Y page 373).
X Restart the engine.
X AMG vehicles: reactivate ESP ®
(Y page 71). 290
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
PRE-SAFE
Functions
Currently Limited
See Operator's
Manual Vehicles with the Active Driving Assistance package:
PRE-SAFE
®
Brake is temporarily inoperative. Possible causes are:
R function is impaired due to heavy rain or snow.
R the sensors in the radiato rgrill and the bumper are dirty.
R the rada rsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R AMG vehicles: ESP ®
is deactivated.
R the system is outside the operating temperature range.
R the on-board voltage is too low.
When the causes stated above no longer apply, the display
message disappears.
PRE-SAFE ®
Brake 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 (Y page 179).
X Clean the sensors in the radiator grill and the bumper
(Y page 373).
X Restart the engine.
X AMG vehicles: reactivate ESP ®
(Y page 71). PRE-SAFE
Functions Limited
See Operator's
Manual Vehicles without the Active Driving Assistance package: Adaptive
Brake Assist is faulty. The distance warning function may also have
failed.
Vehicles with the Active Driving Assistance package:
PRE-SAFE
®
Brake is faulty. BAS PLUS or the distance warning
function may also have failed.
X Visit a qualified specialist workshop. 001F
SRS Malfunction
Service Required There is a malfunction in the SRS (Supplemental Restraint
System).
The
001F warning lamp also lights up in the instrument cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop.
Further information on occupant safety (Y page 43). Display messages
291On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
Front Passenger
Airbag Enabled See
Operator's Manual The front-passenger air bag is enabled during the journey, even
though:
R
a child, a small adult or an objec tweighing less than the
system's weight threshold is located on the front-passenger
seat.
or
R the front-passenger seat is unoccupied.
The system may detec tobjects or forces applying additional
weight on the seat.
G WARNING
The air bag may deploy unintentionally.
There is an increased risk of injury.
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 (Y page 179).
X Switch the ignition off.
X Open the front-passenger door.
X Remove the child and the child restraint system from the front-
passenger seat.
X Make sure that there are no objects on the seat adding to the
weight.
The system may otherwise detec tthe additional weight and
interpret the seat occupant's weight as greater than it actually
is.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
X Observe the 00050006indicator lamp in the center console and
the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 00050006 indicator lamp must light up and remain lit. When
the indicator lamp is on, OCS (Occupant Classification System)
has disabled the front-passenger air bag (Y page 48).
R the Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See Operator's Manual display messages must not be shown in
the multifunction display.
X Wait for a period of at least 60 seconds until the necessary
system checks have been completed.
X Make sure that the display messages do not appearint he
multifunction display. Display messages
293On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
If these conditions are fulfilled, the front-passenger seat can be
occupied again
.Whether the 00050006 indicator lamp remains lit
or goes out depends on how OCS classifies the occupant.
If the conditions are not fulfilled, the system is not operating
correctly.
X Visit a qualified specialist workshop immediately. Front Passenger
Airbag Disabled
See Operator's
Manual The front-passenger air bag is disabled during the journey, even
though:
R
an adult
or
R a person larger than a certain size is occupying the front-
passenger seat.
If additional forces are applied to the seat, the system may
interpret the occupant's weight as lower than it actually is.
G WARNING
The front-passenger air bag does not deploy during an accident.
There is an increased risk of injury.
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 (Y page 179).
X Switch the ignition off.
X Have the occupant get out of the vehicle.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
X Observe the 00050006indicator lamp in the center console and
the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 00050006 indicator lamp must light up and remain lit. When
the indicator lamp is on, OCS has disabled the front-passenger
air bag (Y page 48).
R the Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See Operator's Manual display messages must not be shown in
the multifunction display.
X Wait for a period of at least 60 seconds until the necessary
system checks have been completed.
X Make sure that the display messages do not appearint he
multifunction display. 294
Display messagesOn-board computer and displays

Engine
Display messages Possible causes/consequences and
0001 Solutions
000F
Check Coolant
Level See
Operator's Manual The coolant level is too low.
!
Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
X Add coolant, observing the warning notes before doing so
(Y page 367).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop. 000E The fan motor is faulty.
X
At coolant temperatures unde r248 ‡(120 †), drive to the next
qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. 000E
Coolant Too Hot
Stop Vehicle Turn
Engine Off The coolant is too hot.
Aw
arning tone also sounds.
G WARNING
Do no tdrive when youre ngine is overheated. Thi scan cause some
fluids which may have leaked into the engine compartmen tto
catch fire.
Stea mfrom the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 179).
X Waitu ntil the engine has cooled down.
X Make sure tha tthe air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Do not start the engine again until the display message goes out
and the coolant temperature is under 248 ‡ (120 †).
Otherwise, the engine could be damaged.
X Pay attention to the coolant temperature display.
X If the temperature increases again, visit a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 248 ‡ (120 †). Display messages
299On-board computer and displays Z

Display messages Possible causes/consequences and
0001 Solutions
ACTIVE CURVE
SYSTEM Malfunction
See Operator's
Manual The Active Curve Syste
mis faulty. The vehicle's handling
characteristics are severely impaired.Aw arning tone also sounds.
G WARNING
There is a ris kofanaccident.
X Drive on carefully.
X Adjust your driving style to the altered handling characteristics.
X Avoid sudde nacceleration in tigh tbends and fast steering
movements.
X Do not drive faster than 50 mph (80km/h).
X Visit a qualified specialist workshop immediately. 0002
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). 000C
Lowering
Max.
Speed 12 mph The vehicle is being lowered from off-road level
3to 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. 0014
Different. Lock
Sys. Malfunction The differential loc
kis malfunctioning.
X Do not drive faster than 50 mph (80km/h).
X Have the vehicle checked at a qualified specialist workshop. 0014
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 Ag
earshift 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 Repeatt he gearshift process. 304
Display messagesOn-board computer and displays

Display messages Possible causes/consequences and
0001 Solutions
Lane Keeping
Assist Currently
Unavailable See
Operator's Manual
or
Active Lane Keeping Assist
Currently
Unavailable See
Operator's Manual Lane Keeping Assis
torActive 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 (Y page 179).
X Clean the windshield. Lane Keeping
Assist
Inoperative or
Active Lane Keeping Assist
Inoperative Lane Keeping Assist or Active Lane Keeping Assist is defective.
X
Visit a qualified specialist workshop. Blind Spot Assist
Currently
Unavailable See
Operator's Manual
or
Active Blind Spot Assist
Currently
Unavailable See
Operator's Manual Blind Spot Assist or Active Blind Spot Assist is temporarily
inoperative.
You have established the electrical connection between the trailer
and your vehicle.
X
Press 000Bon the steering wheel to confirm the display
message.
Blind Spot Assist or Active Blind Spot Assist is deactivated while
towing a trailer. 306
Display messagesOn-board computer and displays