2013 MERCEDES-BENZ SL-CLASS ROADSTER warning
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Tires
Display messages Possible causes/consequences and
M Solutions
Check
Tire Pressure 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 154).
X If there is a flat tire, inspect the tires ( Y page 509).
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 533). Check
Tire Pressure
Then Restart Run
Flat Indicator 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 533).
Run Flat Indicator
Inoperative The tire pressure loss warning system is faulty.
X
Visit a qualified specialist workshop. Tire pressure
will be displayed
after driving a
few minutes The tire pressure monitor is measuring the tire pressure.
X
Drive on.
The tire
pressures appear in the multifunction display after you
have been driving for a few minutes. Tire
Press. Monitor
Inoperative The tire pressure monitor is faulty.
X
Visit a qualified specialist workshop. Display messages
247
On-board computer and displays Z
Page 250 of 572
Display messages Possible causes/consequences and
M SolutionsTire Pressure
Monitor
Inoperative No
Wheel Sensors The wheels mounted do not have a suitable 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 a few minutes. Check
Tire Press. 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 ( Y page 154).
X If there is a flat tire, inspect the tires ( Y page 509).
X Check the tire pressure (Y page 534).
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 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 ( Y page 154).
X If there is a flat tire, inspect the tires ( Y page 509).248
Display messages
On-board computer and displays
Page 251 of 572
Display messages Possible causes/consequences and
M SolutionsCorrect
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 534).
X If necessary, correct the tire pressure.
X Restart the tire pressure monitor (Y page 536). 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 a qualified
specialist workshop. Tire Press. Monitor
Currently
Unavailable Due to a source of radio interference, no signals can be received
from the wheel sensors. The tire pressure monitor is temporarily
malfunctioning.
X
Drive on.
The tire
pressure monitor restarts automatically as soon as the
problem has been solved. h
Tire Press.
Warning Tire
Malfunction The tire pressure in one or more tires has dropped suddenly.
A warning tone also sounds.
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 ( Y page 154).
X If there is a flat tire, inspect the tires ( Y page 509). Display messages
249
On-board computer and displays Z
Page 252 of 572
Display messages Possible causes/consequences and
M Solutionsh
Tire Press. Check
Tire Pressure The tire pressure in one or more tires has dropped significantly.
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 154).
X If there is a flat tire, inspect the tires ( Y page 509).
X Check the tire pressure (Y page 534).
X If necessary, correct the tire pressure. h
Correct 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 534).
X If necessary, correct the tire pressure. Vehicle
Display messages Possible causes/consequences and
M SolutionsShift to 'P' or 'N'
to Start Engine You have attempted to start the engine with the transmission in
position R or D.
X
Shift the transmission to position P or N.Auxiliary Battery
Malfunction The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit a qualified specialist workshop at the next opportunity.
X Until then, set the automatic transmission to position P before
you switch off the engine.
X Before leaving the vehicle, apply the electric parking brake.
X Secure the vehicle against rolling away ( Y page 154).250
Display messages
On-board computer and displays
Page 253 of 572
Display messages Possible causes/consequences and
M SolutionsApply Brake to
Shift
from 'P' You have attempted to move the transmission selector lever to
position D, R or N without depressing the brake pedal.
X
Depress the brake pedal. Vehicle
Not in 'P' 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 ( Y page 154).Service Required
Do Not Shift Gears You cannot change the transmission position due to a malfunction.
A warning tone also sounds.
If transmission position
D is selected:
X Drive to a qualified specialist workshop without shifting the
transmission from position D.
If transmission position R, N or P is selected:
X Notify a qualified specialist workshop or breakdown service. Only Shift
to 'P' when
Vehicle is
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.N The trunk lid is open.
X
Close the trunk lid. M The hood is open.
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 ( Y page 154).
X Close the hood. C At least one door is open. A warning tone also sounds.
X
Close all the doors. Display messages
251On-board computer and displays Z
Page 254 of 572
Display messages Possible causes/consequences and
M SolutionsJ
Trunk Partition
Open The trunk partition is open.
X
Close the trunk partition (Y page 89). D
Power Steering
Malfunction See
Operator's Manual The power steering is malfunctioning.
A warning tone also sounds.
G WARNING
You will need to use more force to steer.
There is a risk of an accident.
X Check whether you are able to apply the extra force required.
X If you are able to steer safely:
carefully drive on to a qualified
specialist workshop.
X If you are unable to steer safely: do
not drive on. Contact the
nearest qualified specialist workshop. *
Close Center
Compartment The stowage space under the armrest is open. The interior motion
sensor is not armed.
X
Close the stowage space under the armrest ( Y page 475).Phone No Service Your vehicle is outside the network provider's transmitter/
receiver range.
X
Wait until the mobile phone operational readiness symbol
appears in the multifunction display. K
Decrease Speed You wanted to open the roof while the vehicle was in motion.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Open the roof (Y page 87). K
Vario-Roof
Lowering The roof is not fully opened or closed. The hydraulics are
depressurized.
X
Fully open or close the roof (Y page 87). K
Open/Close Vario-
Roof Completely The roof is not locked.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Push or pull the roof switch until the roof is fully open or closed
(Y page 87). K The on-board voltage is too low.
X
Start the engine.252
Display messages
On-board computer and displays
Page 256 of 572
Display messages Possible causes/consequences and
M SolutionsÂ
Key Not Detected
(red display message) The KEYLESS-GO key 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 ( Y page 154).
X Locate the KEYLESS-GO key. The KEYLESS-GO key is not detected while the engine is running
because
there
is interference from a strong source of radio waves.
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 ( Y page 154).
X Operate the vehicle with the SmartKey in the ignition lock. Â
Key Not Detected
(white display
message) The KEYLESS-GO key cannot be detected at present.
X
Change the location of the key with the KEYLESS-GO functions
in the vehicle.
If the KEYLESS-GO key is still not detected:
X Operate the vehicle with the SmartKey in the ignition lock. Â
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. Â
Remove 'Start'
Button and 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. Â
Close Doors to
Lock Vehicle At least one door is open. A warning tone also sounds.
X
Close all doors and lock the vehicle again.254
Display messages
On-board computer and displays
Page 257 of 572
Warning and indicator lamps
Warning and indicator lamps
overview
L Low-beam headlamps
( Y page 109)
#! Turn signals (Y page 112)
K High-beam headlamps
(Y page 112)
N Front fog lamps
(Y page 111)
7 Seat belts (Y page 256)
$ (USA) Brakes (Y page 257)
J (Canada) Brakes (Y page 257)
! ABS (Y page 257)
÷ ESP®
(Y page 259)
å ESP®
OFF (Y page 259)
M SPORT handling mode in
AMG vehicles (Y page 260)
F (USA) Electric parking brake (red) (Y page 257)
! (Canada) Electric parking brake (red) (Y page 257)
! Electric parking brake
(yellow) (Y
page 257)
6 SRS (Y page 262)
; Check Engine (Y page 263)
8 Reserve fuel (Y page 263)
? Coolant (Y page 263)
· Distance warning signal
(Y page 265)
h Tire pressure monitor
(Y page 266) Warning and indicator lamps
255
On-board computer and displays Z