2014 MERCEDES-BENZ S-Class ECU
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Display messages Possible causes/consequences and
0050
0050Solutions Active Lane
Active Lane
Keeping Assist Keeping Assist
Currently Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual Active Lane Keeping Assist is deactivated and temporarily
inoperative. Possible causes are:
R
the windshield in the camera's field of vision is dirty.
R the sensors in the radiator trim and/or in the bumpers are 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.
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 ( Ypage 190).
X Clean the windshield.
X Clean the sensors in the following locations:
R
in the radiator trim
R in the front bumper
R in the rear bumper Active Lane Active Lane
Keeping Assist Keeping Assist
Inoperative Inoperative Active Lane Keeping Assist is defective.
X
Visit a qualified specialist workshop. Display
messages
289On-board computer and displays Z
Page 292 of 434
Display messages Possible causes/consequences and
0050
0050Solutions Active Blind Spot
Active Blind Spot
Assist Currently Assist Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual Active Blind Spot Assist is 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.
When the causes stated above no longer apply, the display
message disappears.
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 ( Ypage 190).
X Clean the sensors (Y page 358).
X Restart the engine. Active Blind Spot Active Blind Spot
Assist Inoperative Assist Inoperative Active Blind Spot Assist is defective.
X
Visit a qualified specialist workshop. Park Assist Park Assist
Canceled Canceled The driver's door is open.
X
Repeat the parking gap measurement and parking process with
the driver's door closed. You 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 Parking Assist again later (Y page 221).Park Assist Park Assist
Inoperative Inoperative PARKTRONIC is malfunctioning or faulty.
X
Follow the instructions and helpful hints in the "Problems with
PARKTRONIC" section ( Ypage 221).
If the display message continues to be displayed:
X Visit a qualified specialist workshop. 290
Display
messagesOn-board computer and displays
Page 294 of 434
Display messages Possible causes/consequences and
0050
0050Solutions Night View Assist Plus is faulty.
X
Visit a qualified specialist workshop. 00D9
Off Off The HOLD function is deactivated. the vehicle is skidding.
A warning tone also sounds.
X
Reactivate the HOLD function later (Y page 212).DISTRONIC PLUS Off DISTRONIC PLUS Off DISTRONIC PLUS has been deactivated (Y
page 201).
If it was not deactivated by the driver, a warning tone also sounds. DISTRONIC
DISTRONIC
PLUS
PLUSNow
Now
Available
Available DISTRONIC PLUS is operational again after having been
temporarily unavailable. You can now reactivate DISTRONIC PLUS
(Y
page 201). DISTRONIC PLUS DISTRONIC PLUS
Currently Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual DISTRONIC PLUS is temporarily inoperative.
DISTRONIC PLUS Steering Assist is also 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 the system is outside the operating temperature range.
R the on-board voltage is too low.
A warning tone also sounds.
When the causes stated above no longer apply, the display
message disappears.
DISTRONIC 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 ( Ypage 190).
X Clean the sensors in the radiator grill and the bumper
(Y page 358).
X Restart the engine. 292
Display
messagesOn-board computer and displays
Page 295 of 434
Display messages Possible causes/consequences and
0050
0050Solutions DISTRONIC PLUS
DISTRONIC PLUS
Inoperative Inoperative DISTRONIC PLUS is defective.
The following may have also failed:
R
BAS PLUS
R PRE-SAFE ®
Brake
R DISTRONIC PLUS Steering Assist
A warning tone also sounds.
X Visit a qualified specialist workshop. DISTRONIC PLUS DISTRONIC PLUS
Suspended 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 DISTRONIC PLUS
- - - mph - - - mph An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation conditions for DISTRONIC PLUS
(Y page 201). DTR+: Steering DTR+: Steering
Assist. Currently Assist. Currently
Unavailable See Unavailable See
Operator's Manual Operator's Manual DISTRONIC PLUS Steering Assist is 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.
DISTRONIC PLUS Steering 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 ( Ypage 190).
X Clean the windshield. DTR+: Steering DTR+: Steering
Assist. Assist.
Inoperative Inoperative DISTRONIC PLUS Steering Assist is faulty.
However, the DISTRONIC PLUS functions are still available.
A warning tone also sounds.
X
Visit a qualified specialist workshop. Display
messages
293On-board computer and displays Z
Page 297 of 434
Tires
Display messages Possible causes/consequences and
0050
0050Solutions Check Tire
Check Tire
Pressure Soon Pressure Soon Canada only:
The tire pressure loss warning system has detected a significant
loss in pressure.
A warning tone also sounds.
G WARNING
With tire pressures which are too low, there is a risk of the
following hazards:
R they may burst, especially as the 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 a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 190).
X Check the tires and, if necessary, follow the instructions for a
flat tire (Y page 365).
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 394).Check Tire Check Tire
Pressure Then Pressure Then
Restart Run Flat Restart Run Flat
Indicator Indicator Canada only:
The tire pressure loss warning system generated a display
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 394).Run Run
Flat
Flat Indicator
Indicator
Inoperative
Inoperative Canada only:
The tire pressure loss warning system is faulty.
X
Visit a qualified specialist workshop. Please Correct Please Correct
Tire Pressure 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 391).
X If necessary, correct the tire pressure.
X Restart the tire pressure monitor (Y page 393). Display
messages
295On-board computer and displays Z
Page 298 of 434
Display messages Possible causes/consequences and
0050
0050Solutions Check Tires
Check Tires The tire pressure in one or more tires has dropped significantly.
The wheel position is displayed in the multifunction display.
A warning tone also sounds.
G WARNING
With tire pressures which are too low, there is a risk of the
following hazards:
R they may burst, especially as the 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 a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away ( Ypage 190).
X Check the tires and, if necessary, follow the instructions for a
flat tire (Y page 365).
X Check the tire pressure (Y page 391).
X If necessary, correct the tire pressure. Warning Tire Warning Tire
Malfunction 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 a flat tire, there is a risk of the following hazards:
R a flat tire affects the ability to steer or brake the vehicle.
R You could lose control of the vehicle.
R continued driving with a flat tire will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away ( Ypage 190).
X Check the tires and, if necessary, follow the instructions for a
flat tire (Y page 365). 296
Display
messagesOn-board computer and displays
Page 300 of 434
Display messages Possible causes/consequences and
0050
0050Solutions Transmission Not
Transmission Not
in P Risk of in P Risk of
Vehicle Rolling Vehicle Rolling
Away Away The driver's door is open and the transmission is in position
R,N
or D.
A warning tone also sounds.
X Shift the transmission to position P.
X Secure the vehicle against rolling away ( Ypage 190). Service Required Service Required
Do Do
Not
Not Shift
Shift Gears
Gears
Visit Dealer
Visit Dealer You cannot change the transmission position due to a malfunction.
A warning tone also sounds.
If transmission position
Dis selected:
X Drive to a qualified specialist workshop without shifting the
transmission from position D.
If transmission position R,Nor Pis selected:
X Notify a qualified specialist workshop or breakdown service. Only Shift to 'P' Only Shift to 'P'
when Vehicle is when Vehicle is
Stationary Stationary The vehicle is moving.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Shift the transmission to position P.0084 0084 The trunk lid is open.
X
Close the trunk lid. 0083 0083 The hood is open. A warning tone also sounds.
G WARNING
The open hood may block your view when the vehicle is in motion.
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.
X Secure the vehicle against rolling away ( Ypage 190).
X Close the hood. 0051 0051 At least one door is open. A warning tone also sounds.
X
Close all the doors. 298
Display
messagesOn-board computer and displays
Page 303 of 434
Display messages Possible causes/consequences and
0050
0050Solutions 00AF
Key Not Detected Key Not Detected
(red display message) The SmartKey is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the 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 ( Ypage 190).
X Locate the SmartKey.
X Press 0076on the steering wheel to confirm the display
message. Because there is interference from a strong source of radio waves,
the SmartKey is not detected whilst the engine is running.
A warning tone also sounds.
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 ( Ypage 190).
X Operate the vehicle with the SmartKey in the ignition lock. 00AF
Remove 'Start' Remove 'Start'
Button and Insert Button and Insert
Key Key The SmartKey is continually undetected.
The SmartKey detection function has a temporary malfunction or
is faulty. 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. Display
messages
301On-board computer and displays Z