Page 217 of 358

Display messages Possible causes/consequences and
0001 Solutions
The red
0005(USA only)/ 000A(Canada only) indicato rlamp
flashes and a warning tone sounds.
You are using the electric parking brake for emergency braking
(Y page 156). 0005(USA
only)000A
(Canada
only)
Parking Brake See Operator's Manual The yellow
000Awarning lamp lights up.
The electric parking brake is malfunctioning.
To apply:
X Switch the ignition off.
X Press the electric parking brake handle for at least te nseconds.
X Vehicles with manual transmission: engage first gear.
X Vehicles with automatic transmission: shift the transmission
to P.
X Consult a qualified specialist workshop. The yellow
000Awarning lamp and the red 0005(USA
only)/000A (Canada only) indicator lamp light up.
The electric parking brake is malfunctioning.
To release:
X Switch off the ignition and turn it back on.
X Release the electric parking brake manually.
or
X Vehicles with manual transmission: release the electric
parking brake using the automatic emergency release
(Y page 156).
X Vehicles with automatic transmission: release the electric
parking brake automatically ( Ypage 156).
If the yellow 000Awarning lamp remains lit or continues to flash:
X Do not drive on.
X Consult a qualified specialist workshop. Display messages
215On-board computer and displays Z
Page 218 of 358

Display messages Possible causes/consequences and
0001 Solutions
0005(USA
only)
000A(Canada
only)
Parking Brake Inoperative The yellow
000Awarning lamp lights up. The red 0005(USA
only)/ 000A(Canada only) indicato rlamp flashes for about ten
seconds after the electric parking brake has been applied or
released. It then goes out or remains lit.
The electric parking brake is malfunctioning, e.g .because of
overvoltage or undervoltage.
X Remove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
X Engage or release the electric parking brake.
If it remains impossible to apply or release the electric parking
brake:
X Switch off the ignition and turn it back on.
X Engage or release the electric parking brake.
If the electric parking brake still cannot be released:
X Consult a qualified specialist workshop. The display message is only shown while the vehicle is in motion.
The yellow
000Awarning lamp lights up and the red 0005(USA
only)/ 000A(Canada only) indicator lamp flashes.
It is not possible to apply the electric parking brake manually.
X Vehicles with manual transmission: engage first gear.
X Vehicles with automatic transmission: shift the transmission
to P.
X Visit a qualified specialist workshop. 0005(USA
only)000A(Canada
only)
Turn On The
Ignition to
Release the
Parking Brake The red
0005(USA only)/000A (Canada only) indicator lamp lights
up.
You attempted to release the electric parking brake while the
ignition was switched off.
X SmartKey: turn the SmartKey to position 1in the ignition lock.
X KEYLESS-GO: switch on the ignition.216
Display messagesOn-board computer and displays
Page 219 of 358

Display messages Possible causes/consequences and
0001 Solutions
0006
Brake Immediately A malfunction has occurred while the HOLD function or
DISTRONIC PLUS is active.
At
one may also sound at regular intervals. If you attempt to lock
the vehicle, the tone becomes louder.
You cannot start the engine.
X Paying attention to the traffic situation, immediately depress the
brake pedal firmly and hold until the display message
disappears.
X Secure the vehicle against rolling away (Y page 155).
You can restart the engine. 000D(USA
only)0006(Canada
only)
Brake Immediately A malfunction has occurred while the HOLD function or
DISTRONIC PLUS is active.
At
one may also sound at regular intervals. If you attempt to lock
the vehicle, the tone becomes louder.
You cannot start the engine.
X Paying attention to the traffic situation, immediately depress the
brake pedal firmly and hold until the display message
disappears.
X Prevent the vehicle from rolling away before you leave it
(Y page 331).
You can restart the engine. 000D(USA
only)0006(Canada
only)
Check Brake Fluid Level There is not enough brake fluid in the brake fluid reservoir.
In addition, the
000D(USA only)/0006 (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 risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 155).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. 0007
Check Brake Pad
Wear The brake pads/linings have reached their wear limit.
X Visit a qualified specialist workshop. Display messages
217On-board computer and displays Z
Page 220 of 358

Display messages Possible causes/consequences and
0001 Solutions
0007
mbrace Inoperative One or more main features of the mbrace system are
malfunctioning.
X
Have the mbrace system checked immediately 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. PRE-SAFE
Functions
Currently Limited
See Operator's
Manual PRE-SAFE
®
Brake is deactivated or temporarily inoperative.
Possible causes are:
R function is impaired due to heavy rain or snow.
R the sensors in the radiator grill and the bumper are 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.
PRE-SAFE ®
Brake is operational again.
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 Clean the sensors in the radiator grill and the bumper
(Y page 285).
X Restar tthe engine.
X AMG vehicles: reactivate ESP ®
(Y page 63). PRE-SAFE
Functions Limited
See Operator's
Manual PRE-SAFE
®
Brake is inoperative due to a malfunction. BAS PLUS
or the distance warning signal may also have failed.
X Visit a qualified specialist workshop. 218
Display messagesOn-board computer and displays
Page 221 of 358

Display messages Possible causes/consequences and
0001 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 the Supplemental Restrain tSystem,
see (Y page 39). 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 instrumen tcluster.
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 or right-hand head bag. The
001B
warning lamp also lights up in the instrumen tcluster.
G WARNING
The left or right headbag 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. Display messages
219On-board computer and displays Z
Page 222 of 358

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
Page 223 of 358

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
Page 224 of 358

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