
Display messages Possible causes/consequences and
0001 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 155).
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 00030005indicator lamp in the center console and
the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 00030005 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 45).
R the Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See Operator's Manual display message must not be shown in the
multifunction display. 220
Display messagesOn-board computer and displays 

Display messages Possible causes/consequences and
0001 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 00030005indicator 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 45). 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 155).
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 00030005indicator lamp in the center console and
the multifunction display and chec kthe following:
Seat unoccupied and ignition switched on:
R the 00030005 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 45).
R the Front Passenger Airbag Enabled See Operator's Manual or
Front Passenger Airbag Disabled See Display messages
221On-board computer and displays Z 

Display messages Possible causes/consequences and
0001 Solutions
Operator's Manual display message 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 00030005indicator 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 45). Lights
i Display messages about LEDs:
This display message will only appear if all LEDs have failed. Display messages Possible causes/consequences and
0001 Solutions
0001
Check Left
Cornering
Light or
Check Right Cornering
Light The left or right-hand cornering light is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
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
Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
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
Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
X Visit a qualified specialist workshop. 222
Display messagesOn-board computer and displays 

Display messages Possible causes/consequences and
0001 Solutions
0001
License Plate Lamp The lef
torright-hand license plate lamp is defective.
X Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
X Visit a qualified specialist workshop. 0001
Check Left Fog
Lamp or
Check Right Fog Lamp The left-hand or right-hand front fog lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
X Visit a qualified specialist workshop. 0001
Rear Fog Lamp The rear fog lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
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
Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
X Visit a qualified specialist workshop. 0001
Backup Light The backup lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
X Visit a qualified specialist workshop. 0001
Check Front Left
Sidemarker
Lamp or
Check Front Right Sidemarker
Lamp The left or right front side marker lamp is defective.
X
Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
X Visit a qualified specialist workshop. 224
Display messagesOn-board computer and displays 

Display messages Possible causes/consequences and
0001 Solutions
0001
Check Rear Left
Sidemarker
Lamp or
Check Rear Right Sidemarker
Lamp The rear lef
torright side marker lamp is defective.
X Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
X Visit a qualified specialist workshop. 0001
Check
Left Daytime
Running
Light or
Check Right Daytime
Running Light The left-hand or right-hand daytime running lamp is faulty.
X
Check whether you are permitted to replace the bulb yourself
(Y page 113).
or
X Visit a qualified specialist workshop. 0001
Active Light
System Inoperative The active light function is defective.
X
Visit a qualified 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 sensor is 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 0005.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 Clean the 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
225On-board computer and displays Z 

Display messages Possible causes/consequences and
0001 Solutions
Blind Spot Assist
Currently
Unavailable See
Operator's Manual Blind Spot Assis
tis 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 0003indicator lamps also light up in the exterior
mirrors.
When the causes stated above no longer apply, the display
message disappears.
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 (Y page 155).
X Cleant he sensors (Y page 285).
X Restart the engine. Blind Spot Assist
Inoperative Blind Spot Assist is defective.
The yellow
0003indicator lamps also light up in the exterior
mirrors.
X Visit a qualified specialist workshop. Parking Guidance
Inoperative Parking Guidance is malfunctioning (Y
page 181).
X Restart the engine.
If the display message continues to be displayed:
X Visit a qualified specialist workshop. 230
Display messagesOn-board computer and displays 

Display messages Possible causes/consequences and
0001 Solutions
000A
Remove Start
Button Then Insert
Key The KEYLESS-GO key can continuously not be detected.
KEYLESS-GO is temporarily malfunctioning or is defective. A
warning tone also sounds.
X
Insert the SmartKey into the ignition lock and turn it to the
desired position.
X Visit a qualified specialist workshop. 000A
Close Doors to
Lock Vehicle At leas
tone door is open. Awarning tone also sounds.
X Close all doors and loc kthe vehicle again. Warning and indicator lamps
Safety
Seat belts Problem Possible causes/consequences and
0001 Solutions
0011
After starting the
engine, the red seat
belt warning lamp lights
up for
6seconds. The seat belt warning lamp reminds the driver and fron
tpassenger
to fasten their seat belts.
X Faste nyour seat belt (Y page 53). 0011
After starting the
engine, the red seat
belt warning lamp lights
up. In addition, a
warning tone sounds
for up to six seconds.
The driver's seat belt is not fastened.
X
Fasten your seat belt (Y page 53).
The warning tone ceases. 0011
The red seat belt
warning lamp lights up
after the engine starts,
as soon as the driver's
or the front-passenger
door is closed. The driver or front passenger has not fastened their seat belt.
X
Fasten your seat belt (Y page 53).
The warning lamp goes out. There are objects on the front-passenger seat.
X
Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out. 242
Warning and indicator lampsOn-board computer and displays 

Problem Possible causes/consequences and
0001 Solutions
0016
The yellow ABS warning
lamp is lit while the
engine is running.
ABS is temporarily unavailable. BAS, BAS PLUS, ESP
®
, EBD
(electronic brake force distribution), PRE-SAFE ®
,
PRE-SAFE ®
Brake, the HOLD function, hill start assist are therefore
also deactivated, for example.
Possible causes are:
R Self-diagnosis is not yet complete.
R The on-board voltage may be insufficient.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is a risk of an accident.
X Carefully drive a suitable distance, making slight steering
movements at a speed above 12 mph (20 km/h).
The functions mentioned above are available again when the
warning lamp goes out.
If the warning lamp is still on:
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop. Warning and indicator lamps
245On-board computer and displays Z