Display messages Possible causes/consequences and
0003 Solutions
001B
SRS Malfunction
Service Required There is a malfunction in the SRS (Supplemental Restraint
System). The
001Bwarning 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 ris kofinjury.
X Visi taqualified specialist workshop.
For further information about SRS, see (Y page 53).001B
Front Left
Malfunction
Service Required
or
Front Right Malfunction
Service Required SRS has malfunctioned at the front on the left or right. The
001B
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. 001B
Left Side Curtain
Airbag Malfunction
Service Required
or
Right Side Curtain Airbag
Malfunction
Service Required There is a malfunction in the left-hand and/or right-hand head bag.
The
001B warning lamp also lights up in the instrument cluster.
G WARNING
The left or right head bag 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. 248
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0003 Solutions
Front Passenger
Airbag Enabled
See Operator's
Manual The front-passenger air bag and front-passenger knee bag are
enabled during the journey, eve
nthough:
R a child, a small adultorano bjectweighing 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 front-passenger fron tair bag and front passenger knee bag
may be triggered 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 175).
X Switch the ignition off.
X Open the front-passenger door.
X Remove the child and the child restraint system fro mthe front-
passenger seat.
X Make sure that there are no objects on the seat adding to the
weight.
The system may otherwise detect the 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 00040006indicator lamp in the center console and
the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 00040006 indicator lamp must light up and remain lit. If the
indicator lamp is on, OCS (Occupant Classification System) has
disabled the front-passenger air bag and front-passenger knee
bag (Y page 59).
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. Display messages
249On-board computer and displays Z
Display messages Possible causes/consequences and
0003 Solutions
X
Wait fo raperiod of at least 60 seconds until the necessary
system checks have been completed.
X Make sure that the display messages do not appear in the
multifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the 00040006indicator 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.
For further information about the Occupant Classification System,
see (Y page 59). Front Passenger
Airbag Disabled
See Operator's
Manual The front-passenger air bag and front-passenger knee bag are
deactivated during the journey, although:
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 fron tair bag and front passenger knee bag
may not be triggered in the event of 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 175).
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 00040006indicator lamp in the center console and
the multifunction display and chec kthe following:
Seat unoccupied and ignition switched on:
R the 00040006 indicator lamp must light up and remain lit. If the
indicator lamp is on, OCS has disabled the front-passenger air
bag and front-passenger knee bag (Y page 59).
R the Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See 250
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0003 Solutions
Operator's Manual display messages mus
tnot 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 appear in the
multifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the 00040006indicator 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.
For further information about the Occupant Classification System,
see (Y page 59). Lights
Display messages Possible causes/consequences and
0003 Solutions
0001
Check Left
Cornering Light or
Check Right Cornering Light The left or right-hand cornering light is defective.
X
Visit a qualified specialist workshop. 0001
Check Left Low
Beam or
Check Right Low Beam The left or right-hand low-beam headlamp is defective.
X
Visit a qualified specialist workshop. 0001
Check Rear Left
Turn Signal or
Check Rear Right Turn Signal The rear left-hand or rear right-hand turn signal is defective.
X
Visit a qualified specialist workshop. 0001
Check Front Left
Turn
Signal or
Check Front Right Turn
Signal The front left-hand or front right-hand turn signal is defective.
X
Visit a qualified specialist workshop. Display messages
251On-board computer and displays Z
Display messages Possible causes/consequences and
0003 Solutions
0001
Check Left Mirror
Turn Signal or
Check Right Mirror
Turn Signal The turn signal in the left-hand or right-hand exterior mirror is
defective.
X
Visit a qualified specialist workshop. 0001
Check
Center Brake
Lamp The high-mounted brake lamp is faulty.
X
Visit a qualified specialist workshop. 0001
Check Left Brake
Lamp or
Check Right Brake Lamp The lef
torright-hand brake lamp is defective.
X Visit a qualified specialist workshop. 0001
Check Left Tail
and Brake Lamps or
Check Right Tail and Brake Lamps The left or right-hand tail lamp/brake lamp is defective.
X
Visit a qualified specialist workshop. 0001
Check Left High
Beam or
Check Right High Beam The left or right-hand high beam is defective.
X
Visit a qualified specialist workshop. 0001
License Plate Lamp The left or right-hand license plate lamp is defective.
X
Visit a qualified specialist workshop. 0001
Rear Fog Lamp The rear fog lamp is defective.
X
Visit a qualified specialist workshop. 0001
Check Front Left
Parking Lamp or
Check Front Right Parking Lamp The front left or front right parking or standing lamp is defective.
X
Visit a qualified specialist workshop. 0001
Backup Light The backup lamp is defective.
X
Visit a qualified specialist workshop. 252
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0003 Solutions
0001
Check
Left Daytime
Running
Light or
Check Right Daytime
Running Light The left-hand or right-hand daytime running lamp is faulty.
X Visit a qualified specialist workshop. 0001
Active Light
System Inoperative The active ligh
tfunction is defective.
X Visi taqualified specialist workshop. 0001
Malfunction See
Operator's Manual The exterior lighting is defective.
X
Visit a qualified specialist workshop. 0001
AUTO
Lamp Function
Inoperative The light senso
ris defective.
X Visit a qualified specialist workshop. 0001
Switch Off Lights The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to 0006.Adaptive Highbeam
Assist Inoperative Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop. Adaptive Highbeam
Assist Currently
Unavailable See
Operator's Manual Adaptive Highbeam 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.
X Cleant he windshield.
If the system detects that the camera is fully operational again,
the Adaptive Highbeam Assist Now Available message is
displayed.
Adaptive Highbeam Assist is operational again. Display messages
253On-board computer and displays Z
Engine
Display messages Possible causes/consequences and
0003 Solutions
0012
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 514).
X If coolant needs to be added more often than usual, have the
engine coolant system checked at a qualified specialist
workshop. 0011 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. 0011
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 175).
X Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X Make sure that the 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 †). 254
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0003 Solutions
000E The battery is no
tbeing charged.
Aw arning tone also sounds.
Possible causes are:
R a defective alternator
R a torn poly-V-belt
R a malfunction in the electronics
X Pull ove rand 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 175).
X Ope nthe hood.
X Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
X Consult a qualified specialist workshop.
If the poly-V-belt is not damaged:
X Visit a qualified specialist workshop. 0016
Check Engine Oil
At Next Refueling The engine oil level has dropped to the minimum level.
Aw
arning tone also sounds.
X Chec kthe oil level when next refueling, at the latest
(Y page 513).
X If necessary, add engine oil (Y page 514).
X Have the engine checked at a qualified specialist workshop if
engine oil needs to be added more often than usual.
! Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.com. Display messages
255On-board computer and displays Z