2014 MERCEDES-BENZ CLS-Class ECU
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Display messages Possible causes/consequences and
000B Solutions
Lan
eK eeping Assist Currently
Unavailable See
Operator'
sManual or
Active Lane Keepin
gAssist Currently
Unavailable See
Operator'
sManual Lan
eKeepin gAssistorA ctive Lane Keeping Assist is deactivated
and temporaril yinoperative .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 alonger period.
R the lane markings are worn, dark or covered, e.g. by dirt or snow.
When the causes stated above no longer apply,t he 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 167).
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 aqualified specialist workshop. Display messages
253On-board computer and displays Z
Page 256 of 382
Display messages Possible causes/consequences and
000B Solutions
Blind Spo
tAssist Currently
Unavailable See
Operator'
sManual or
Active Blind Spo
tA ssist Currently
Unavailable See
Operator'
sManual Blind Spot Assis
torActiveBlind Spot Assis tistemporarily
inoperative. Possibl ecauses are:
R thes ensor sare dirty.
R function is impaire ddue to heav yrain or snow.
R ther ada rsensor system is outside the operatin gtemperature
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 0006indicator lamps also light up in the exterior
mirrors.
When the causes stated above no longer apply, the display
message disappears.
Blind Spot Assist or Active 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 167).
X Clean the sensor s(Ypage 315).
X Restart the engine. Blind Spot Assist
Inoperative or
Active Blind Spot Assist Inoperative Blind Spot Assist or Active Blind Spot Assist is defective.
The yellow
0006indicator lamps also light up in the exterior
mirrors.
X Visit aqualified specialist workshop. Park Assist
Canceled The driver's door is open and the driver's seat belt has not been
fastened.
X
Repeat the parkin gprocess with the seat belt fastened and the
driver's door closed. You have inadvertently touched the multifunction steering wheel
while steering intervention was active.
X
While steering intervention is active, make sure that the
multifunction steering wheel is not touched unintentionally. The vehicle has started to skid and ESP
®
has intervened.
X Use Active Parkin gAssist again later (Y page 196).254
Display messagesOn-boar
dcomputer and displays
Page 258 of 382
Display messages Possible causes/consequences and
000B Solutions
DISTRONIC PLUS
Currently
Unavailable See
Operator'
sManual DISTRONIC PLU
Sistemporarily 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 the system is outside the operating temperature range.
R the on-board voltage is too low.
Aw arning tone also sounds.
When th ecauses state dabov enol onger apply, th edisplay
message disappears.
DISTRONI Cisoperational again.
If th edisplay message does no tdisappear:
X Pull over and stop the vehicle safely as soon as possible ,paying
attention to road and traffic conditions.
X Secure the vehicle against rollin gaway (Y page 167).
X Clean the sensors in the radiator grill and the bumper
(Y page 315).
X Restar tthe engine. DISTRONIC PLUS
Inoperative DISTRONIC PLUS is defective.
The following may have also failed:
R
BAS PLUS (Brake Assist System PLUS)
R PRE-SAFE ®
Brake
Aw arning tone also sounds.
X Visi taq ualified specialist workshop. DISTRONIC PLUS
Suspended You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Remove your foot from the accelerator pedal. DISTRONIC PLUS
---m
ph An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation condition sfor DISTRONIC PLUS
(Y page 177). 256
Display messagesOn-boar
dcomputer and displays
Page 260 of 382
Tires
Display messages Possible causes/consequence
sand 000B Solutions
Check
Tir
ePressure Soon The tire pressure loss warnin
gsystem has detecte dasignificant
los sinp ressure.
Aw arning tone also sounds.
G WARNING
Wit htirep ressure swhicha re to olow, there is ariskoft he
following hazards:
R they may burst, especiallyast he load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is arisk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditionsasy ou do so.
X Secure the vehicle against rolling away (Y page 167).
X Check the tires and, if necessary, follow the instructions for a
flat tire (Y page 321).
X Check the tire pressures and, if necessary, correct the tire
pressure.
X Restart the tire pressure loss warning system when the tire
pressure is correct (Y page 342).Check Tire Pressure
Then Restart Run
Flat Indicator The tire pressure loss warning system generated
adisplay
message and has not been restarted since.
X Set the correct tire pressure in all four tires.
X Restart the tire pressure loss warning system (Y page 342).Run Flat Indicator
Inoperative The tire pressure loss warning system is faulty.
X
Visit aqualified specialist workshop. Rectify
Tire Pressure The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
X
Check the tire pressures at the next opportunity (Y page 342).
X If necessary, correct the tire pressure.
X Restart the tire pressure monitor (Y page 345).258
Display messagesOn-board computer and displays
Page 261 of 382
Display messages Possible causes/consequences and
000B Solutions
Check
Tires The tire pressur
einoneor mor etires has dropped significantly.
The whee lposition is displayed in th emultifunction display.
Aw arning tone also sounds.
G WARNING
Wit htirep ressure swhicha re to olow, there is ariskoft he
following hazards:
R they may burst, especiallyast he load and vehicle speed
increase.
R they may wear excessively and/or unevenly, which may greatly
impair tire traction.
R the driving characteristics, as well as steering and braking, may
be greatly impaired.
There is arisk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditionsasy ou do so.
X Secure the vehicle against rolling away (Y page 167).
X Check the tires and, if necessary, follow the instructions for a
flat tire (Y page 321).
X Check the tire pressure (Y page 342).
X If necessary, correct the tire pressure. Warning
Tire Malfunction The tire pressure in one or more tires has dropped suddenly. The
wheel position is shown in the multifunction display.
G WARNING
If you drive with aflat tire, there is arisk of the following hazards:
R af lat tire affects the ability to steer or brake the vehicle.
R you could lose control of the vehicle.
R continued driving with aflat tire will cause excessive heat build-
up and possibly afire.
There is arisk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditionsasy ou do so.
X Secure the vehicle against rolling away (Y page 167).
X Check the tires and, if necessary, follow the instructions for a
flat tire (Y page 321). Display messages
259On-board computer and displays Z
Page 262 of 382
Display messages Possible causes/consequences and
000B Solutions
Tire Press. Monitor
Currently
Unavailable Due to
asource of radi ointerference ,nosignals can be received
from the whee lsensors .The tire pressure monitor is temporarily
malfunctioning.
X Drive on.
The tire pressure monitor restarts automatically as soon as the
problem has been solved. TirePress.
Sensor(s) Missing There is no signal from the tire pressure sensor of one or several
wheels. The pressure of the affected tire is not displayed in the
multifunction display.
X
Have the faulty tire pressure sensor replaced at aqualified
specialist workshop. Tire Pressure
Monitor
Inoperative No
Wheel Sensors The wheels mounted do not have
asuitable tire pressure sensor.
The tire pressure monitor is deactivated.
X Mount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving
for afew minutes. Tire Press. Monitor
Inoperative The tire pressure monitor is faulty.
X
Visit aqualified specialist workshop. Vehicle
Display messages Possible causes/consequencesa
nd000B Solutions
Shift to 'P' or 'N'
To Start Engine You have attempted to start the engine with the transmission in
position
Ror D.
X Shift the transmission to position Por N. Auxiliary Battery
Malfunction The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit aqualified specialist workshop. Apply Brake
to Shift from 'P' You have attempted to move the transmission selector lever to
position
D,Ror Nwithout depressing the brake pedal.
X Depress the brake pedal. Risk of Rolling
Away
Vehicle Not in 'P' The driver's door is open and the transmission is in position
R,N
or D.
Aw arning tone also sounds.
X Shift th etransmission to position P.
X Secure th evehicle against rolling away ( Ypage 167). 260
Display messagesOn-boar
dcomputer and displays
Page 263 of 382
Display messages Possible causes/consequences and
000B Solutions
Servic
eRequired Do Not Shift Gears
Visit Dealer You canno
tchange the transmission position due to amalfunction.
Aw arning tone also sounds.
If transmission position Dis selected:
X Drive to aqualified specialist worksho pwithout shiftin gthe
transmission from position D.
If transmission position R,Nor Pis selected:
X Notify aqualified specialist worksho porbreakdown service. Onl
yS hift to 'P' whe
nV ehicl eis Stationary The vehicle is moving.
X
Pull ove rand stop the vehicl esafelyass oonasp ossible,p aying
attention to road and traffic conditions.
X Shift the transmission to position P.0011 the trunk lid is open.
X
Close the trunk lid. 0004 The hood is open.
Awarning tone also sounds.
G WARNING
The open hood may bloc kyour view when the vehicle is in motion.
There is arisk of an accident.
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 167).
X Close the hood. 000C At least one door is open.
Awarning tone also sounds.
X Close all th edoors. 0001
Rear
Left Backrest
Not Latched or
Rea rR ight Backrest Not
Latched The backres
tinthe rear is not engaged on the left-hand and/or
right-hand side. Awarning tone also sounds.
X Push th ebackres tback until it engages. 0001
Lock
Seat Backrest
Front Left or
Lock Sea
tB ackrest Front Right The driver'
sorfront pa ssenger' sseat backres tisnot engaged. A
warning tonea lso sounds.
X Push the backrest back until it engages. Display messages
261On-board computer and displays Z
Page 265 of 382
Display messages Possible causes/consequences and
000B Solutions
0002
Don't Forget Your
Key The display message is shown fo
ramaximum of 60 seconds and
is only areminder.
You have opened the driver' sdoor with the engine switched off.
The KEYLESS-GO key is not in the ignitio nlock.
X Remember to take the KEYLESS-GO key with you when you
leave the vehicle. 0002
Key Not Detected
(red display message) The KEYLESS-GO key is not in the vehicle.
Aw
arning tone also sounds.
If th eengineiss witched off ,you can no longer loc kthe vehicle
centrally or start the engine.
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 167).
X Locate the KEYLESS-GO key. The KEYLESS-GO key is not detected while the engine is running
because there is interference from
astrongs ource of radio waves.
Aw arning tone also sounds.
X Pull ove rand stop the vehicl esafelyass oonasp ossible,p aying
attention to road and traffic conditions.
X Secure the vehicle against rolling away( Ypage 167).
X Operate the vehicle with the SmartKey in the ignition lock. 0002
Key Not Detected
(white display
message) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the SmartKey with the KEYLESS-GO
functionsint he vehicle.
If the KEYLESS-GO key is still not detected:
X Operate the vehicle with the SmartKey in the ignition lock. 0002
Key Detected in
Vehicle The KEYLESS-GO key has been detected inside the vehicle during
locking.
X
Remove the KEYLESS-GO key from the vehicle. Display messages
263On-board computer and displays Z