MERCEDES-BENZ SL ROADSTER 2016 Owners Manual

Display messages
Possible causes/consequences and
M
MSolutions Further information on the automatic front-passenger front airbag
deactivation feature (Y page 46).Lights
Display messages
Possible causes/consequences and
M
MSolutions b
Left dipped beam Left dipped beam
(Example) The corresponding bulb is faulty.
X Consult a qualified specialist workshop.
or X Check whether you are permitted to replace the bulb yourself
(Y page 118).
LED light bulbs: the display message for the corresponding lamp only appears when all the LEDs in the lamp have failed. b
Intell. Light Sys‐ Intell. Light Sys‐
tem inoperative tem inoperative The Intelligent Light System is faulty. The lights remain available with-
out the Intelligent Light System.
X Consult a qualified specialist workshop. b
Malfunction Malfunction
See
SeeOwn‐
Own‐
er's Manual
er's Manual The exterior lighting is faulty.
X Consult a qualified specialist workshop. b
AUTO lights inoper‐ AUTO lights inoper‐
ative ative The light sensor is faulty.
X
Consult a qualified specialist workshop. b
Switch off lights 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 the Ãposition. Adaptive Highbeam
Adaptive Highbeam
Assist Plus cur‐ Assist Plus cur‐
rently unavailable rently unavailable
See Owner's Manual See Owner's Manual Adaptive Highbeam Assist Plus is deactivated and temporarily inop-
erative.
Possible causes:
R The windscreen is dirty in the camera's field of vision.
R Visibility is impaired due to heavy rain, snow or fog.
X Clean the windscreen.
If the system detects that the camera is fully operational again, the Adaptive Highbeam Assist Plus available again Adaptive Highbeam Assist Plus available again message is
displayed.
Adaptive Highbeam Assist Plus is operational again. Adaptive Highbeam Adaptive Highbeam
Assist Plus inoper‐ Assist Plus inoper‐
ative ative Adaptive Highbeam Assist Plus is faulty.
X Consult a qualified specialist workshop. 228
Display
messagesOn-board computer and displays

Engine
Display messages
Possible causes/consequences and
M
MSolutions ?
Top up coolant See Top up coolant See
Owner's Manual Owner's Manual The coolant level is too low.
! Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
X Top up the coolant, observing the warning notes before doing so
(Y page 279).
X If the coolant needs topping up more often than usual, have the
engine coolant system checked at a qualified specialist workshop. ? The fan motor is faulty.
X If the coolant temperature is below 120 †, you can continue driving
to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic. ?
Coolant Stop vehi‐ Coolant Stop vehi‐
cle Switch engine cle Switch engine
off off The coolant is too hot.
A warning tone also sounds.
G WARNING
Never drive with an overheated engine. Driving when your engine is
overheated can cause some fluids which may have leaked into the
engine compartment to catch fire.
In addition, steam from an overheated engine can cause serious
burns, which can occur just by opening the bonnet.
There is a risk of injury.
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X Safeguard the vehicle against rolling away (Y page 153).
X Leave the vehicle and keep a safe distance from the vehicle until the
engine has cooled down.
X Make sure that the air supply to the engine radiator is not blocked,
e.g. by frozen slush.
X Do not start the engine again until the display message goes out and
the coolant temperature is below 120 †. The engine may otherwisebe damaged.
X Pay attention to the coolant temperature gauge, observing the
warning notes (Y page 279).
X If the temperature increases again, consult a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 120 †. Display messages
229On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions #
See Owner's Manual See Owner's Manual The battery is not being charged.
A warning tone also sounds.
Possible causes:
R faulty alternator
R torn poly-V-belt
R a malfunction in the electronics
! Do not continue driving. The engine could otherwise overheat.
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X Safeguard the vehicle against rolling away (Y page 153).
X Consult a qualified specialist workshop. #
Stop vehicle See Stop vehicle See
Owner's Manual Owner's Manual The battery is no longer being charged and the charge status is too
low.
A warning tone also sounds.
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X Safeguard the vehicle against rolling away (Y page 153).
X Observe the instructions in the #See SeeOwner's
Owner's Manual
Manualdisplay
message.
X Consult a qualified specialist workshop. 4
Check Check
eng.
eng.oil
oillev.
lev.
when
when next
nextrefuelling
refuelling The engine oil level has dropped to the minimum level.
A warning tone also sounds.
! Avoid long journeys when there is too little coolant in the cooling
system. Otherwise the engine will be damaged.
X Check the oil level when next refuelling, at the latest (Y page 278).
X If necessary, top up the engine oil (Y page 278).
X Have the engine checked at a qualified specialist workshop if the
engine oil needs topping up more often than usual.
Information on approved engine oils can be obtained from a qualified
specialist workshop or on the Internet at http://bevo.mercedes-
benz.co m. 4
Add 1 litre engine Add 1 litre engine
oil when next refu‐ oil when next refu‐
elling elling Mercedes-AMG vehicles:
The engine oil level is too low.
! Avoid long journeys when there is too little coolant in the cooling
system. Otherwise the engine will be damaged.
X Check the oil level when next refuelling, at the latest (Y page 278).
X If necessary, top up the engine oil (Y page 278).
X Have the engine checked at a qualified specialist workshop if the
engine oil needs topping up more often than usual.
Information on approved engine oils can be obtained from a qualified
specialist workshop or on the Internet at http://bevo.mercedes-
benz.com. 230
Display messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions 4
Engine oil level Engine oil level
Stop Stop
vehicle
vehicle Switch
Switch
engine off
engine off Mercedes-AMG vehicles:
The engine oil level is too low.
There is a risk of engine damage.
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X Safeguard the vehicle against rolling away (Y page 153).
X Check the engine oil level (Y page 278).
X If necessary, top up the engine oil (Y page 278).8
Reserve fuel level Reserve fuel level The fuel level has dropped into the reserve range.
X Refuel at the nearest filling station. C There is very little fuel in the fuel tank.
X Refuel at the nearest filling station without fail. Driving systems
Display messages
Possible causes/consequences and
M
MSolutions ABC Malfunction
ABC Malfunction The Active Body Control (ABC) function is restricted.
G WARNING
The vehicle's suspension settings may be affected.
There is a risk of an accident.
X Do not drive at speeds above 80 km/h.
X Consult a qualified specialist workshop immediately. ABC Malfunction ABC Malfunction
Stop Vehicle Stop Vehicle The Active Body Control (ABC) vehicle level is too low.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
After a few seconds, the vehicle level is adjusted and the display
message disappears. The vehicle is leaking oil.
The multifunction display continuously shows the display message.
G WARNING
The vehicle's suspension settings may be affected.
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 Safeguard the vehicle against rolling away (Y page 153).
X Consult a qualified specialist workshop immediately. Display
messages
231On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions Active Body Control (ABC) is malfunctioning.
The multifunction display continuously shows the display message.
G WARNING
The suspension settings are thus affected.
There is a risk of an accident.
X Do not drive at speeds above 80 km/h.
X Make only slight steering movements. Otherwise, the front wings or
the tyres could be damaged if the steering movement is too great.
X Listen for scraping sounds.
X Consult a qualified specialist workshop immediately. À
Attention Assist: Attention Assist:
Take a break! Take a break! Based on certain criteria, ATTENTION ASSIST has detected fatigue or
a lack of concentration on the part of the driver. A warning tone also
sounds.
X If necessary, take a break.
During long journeys, take regular breaks in good time so that you get
enough rest. À
Attention Assist Attention Assist
inoperative inoperative ATTENTION ASSIST is inoperative.
X Consult a qualified specialist workshop. Traffic
Traffic
Sign
Sign Assist
Assist
currently unavaila‐
currently unavaila‐
ble ble See
SeeOwner's
Owner's Man‐
Man‐
ual
ual Traffic Sign Assist is deactivated and temporarily inoperative.
Possible causes:
R The windscreen is dirty in the camera's field of vision.
R Visibility is impaired due to heavy rain, snow or fog.
X Clean the windscreen.
If the system detects that the camera is fully operational, the display message disappears.
Traffic Sign Assist is operational again. Traffic Traffic
Sign
Sign Assist
Assist
inoperative
inoperative Traffic Sign Assist is faulty.
X Consult a qualified specialist workshop. ë
Off Off The HOLD function is deactivated. The vehicle is skidding.
A warning tone also sounds.
X Reactivate the HOLD function later (Y page 172).232
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions Active
Active
Lane
LaneKeeping
Keeping
Assist currently
Assist currently
unavailable unavailable See
SeeOwn‐
Own‐
er's Manual
er's Manual Active Lane Keeping Assist is deactivated and temporarily inoperative.
Possible causes:
R The windscreen is dirty in the camera's field of vision.
R Visibility is impaired due to heavy rain, snow or fog.
R There have been no lane markings for an extended period.
R The lane markings are worn, dark or covered, e.g. by dirt or snow.
Once the causes listed above no longer apply, the display message
goes out.
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 Safeguard the vehicle against rolling away (Y page 153).
X Clean the windscreen. Active Active
Lane
LaneKeeping
Keeping
Assist inoperative
Assist inoperative Active Lane Keeping Assist is faulty.
X Consult a qualified specialist workshop. Active Blind Spot
Active Blind Spot
Assist currently Assist currently
unavailable unavailable
See
SeeOwn‐
Own‐
er's Manual
er's Manual Active Blind Spot Assist is temporarily inoperative.
Possible causes:
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 9indicator lamps also light up in the exterior mirrors.
Once the causes listed above no longer apply, the display message
goes out.
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 Safeguard the vehicle against rolling away (Y page 153).
X Clean the sensors (Y page 285).
X Restart the engine. Active Blind Spot Active Blind Spot
Assist inoperative Assist inoperative Active Blind Spot Assist is faulty.
The yellow
9indicator lamps also light up in the exterior mirrors.
X Consult a qualified specialist workshop. Parking Pilot can‐ Parking Pilot can‐
celled celled The driver's door is open and the driver's seat belt has not been fas-
tened.
X Repeat the parking process with the seat belt fastened and the
driver's door closed. Display
messages
233On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions You inadvertently touched the multifunction steering wheel while
steering intervention was active.
X While steering intervention is active, make sure not to touch the
multifunction steering wheel. The vehicle has started to skid and ESP
®
has intervened.
X Use the Parking Pilot again later (Y page 183).Parking Pilot inop‐ Parking Pilot inop‐
erative erative You have just carried out a large number of turning or parking manoeu-
vres.
Parking Pilot will become available again after approximately ten
minutes (Y page 183).
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Switch off and restart the engine.
If the multifunction display still shows the display message: X Consult a qualified specialist workshop. Parking Pilot is malfunctioning.
X Consult a qualified specialist workshop. Parking Pilot ended Parking Pilot ended The vehicle is parked. A warning tone also sounds.
The display message disappears automatically. Distance Pilot off
Distance Pilot off Distance Pilot DISTRONIC is deactivated (Y
page 161).
If it was deactivated automatically, a warning tone also sounds. Distance Pilot
Distance Pilot
available again available again Distance Pilot DISTRONIC is operational again after having been tem-
porarily unavailable. You can now reactivate Distance Pilot
DISTRONIC (Y page 161). Distance Pilot cur‐
Distance Pilot cur‐
rently unavailable rently unavailable
See Owner's Manual See Owner's Manual Distance Pilot DISTRONIC is temporarily inoperative.
Steering Pilot and Stop&Go Pilot are also temporarily inoperative.
Possible causes:
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.
Once the causes listed above no longer apply, the display message
goes out.
Distance Pilot 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 Safeguard the vehicle against rolling away (Y page 153).
X Restart the engine. 234
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
M
MSolutions Distance
Distance
Pilot
Pilotinop‐
inop‐
erative
erative Distance Pilot DISTRONIC is faulty.
The following may have also failed:
R Brake Assist with cross-traffic function
R Active Brake Assist with cross-traffic function
R Steering Pilot and Stop&Go Pilot
A warning tone also sounds.
X Consult a qualified specialist workshop. Distance Pilot pas‐ Distance Pilot pas‐
sive sive You have depressed the accelerator pedal. Distance Pilot DISTRONIC
is no longer controlling the speed of the vehicle.
X Remove your foot from the accelerator pedal. Distance
Distance
Pilot--
Pilot ----
km/h
km/h A condition for activating Distance Pilot DISTRONIC has not been met.
X Check the activation conditions for Distance Pilot DISTRONIC
(Y page 161). Distance Pilot and Distance Pilot and
Limiter inoperative Limiter inoperative Distance Pilot DISTRONIC and speed limiter are faulty.
Steering Pilot and Stop&Go Pilot are therefore also unavailable.
A warning tone also sounds.
X Consult a qualified specialist workshop. Steering Pilot cur‐ Steering Pilot cur‐
rently unavailable rently unavailable
See Owner's Manual See Owner's Manual Steering Pilot and Stop&Go Pilot are temporarily inoperative.
Possible causes:
R The windscreen is dirty in the camera's field of vision.
R Visibility is impaired due to heavy rain, snow or fog.
R There have been no lane markings for an extended period.
R The lane markings are worn, dark or covered, e.g. by dirt or snow.
Once the causes listed above no longer apply, the display message
goes out.
Steering Pilot and Stop&Go Pilot are operative 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 Safeguard the vehicle against rolling away (Y page 153).
X Clean the windscreen. Steering Steering
Pilot
Pilotinop‐
inop‐
erative
erative Steering Pilot and Stop&Go Pilot are faulty.
However, the Distance Pilot DISTRONIC functions are still available.
A warning tone also sounds.
X Consult a qualified specialist workshop. Limiter passive Limiter passive If you depress the accelerator pedal beyond the pressure point (kick-
down), the speed limiter is switched to passive mode (Y page 171). Display messages
235On-board computer and displays Z

Display messages
Possible causes/consequences and
M
MSolutions Speed
Speed
limit
limit(winter
(winter
tyres) - - - km/h
tyres) - - - km/h You have reached the stored speed limit for winter tyres. Exceeding
this speed is not possible. You can block the message from being
displayed by pressing the
abutton. The message only appears
again when you next switch on the ignition. Cruise control off Cruise control off Cruise control has been deactivated.
If a warning tone also sounds, cruise control has deactivated auto-
matically (Y page 159). Cruise control - - Cruise control - -
- km/h - km/h Cruise control cannot be activated since not all of the activation con-
ditions have been met.
X Check the activation conditions for cruise control (Y page 159).Cruise control and
Cruise control and
Limiter inoperative Limiter inoperative Cruise control and speed limiter are faulty.
A warning tone also sounds.
X Consult a qualified specialist workshop. 120 km/h
120 km/h
Maximum Maximum
speed
speedexcee‐
excee‐
ded
ded Only for certain countries: the maximum speed has been exceeded.
In addition, display
ðappears in the multifunction display.
X Drive more slowly. 236
Display
messagesOn-board computer and displays

Tyres
Display messages
Possible causes/consequences and
M
MSolutions Tyre
Tyre
pressure
pressure Check
Check
tyre(s)
tyre(s) The tyre pressure loss warning system has detected a significant loss
in pressure.
A warning tone also sounds.
Possible causes:
R you have changed the positions of the wheels and tyres or fitted new
wheels and tyres
R The tyre pressure in one or more tyres has dropped
G WARNING
Underinflated tyres pose the following risks:
R the tyres may burst, especially as the load and vehicle speed
increase
R the tyres may wear excessively and/or unevenly, which may greatly
impair tyre 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
manoeuvres. Pay attention to the traffic conditions as you do so.
X Safeguard the vehicle against rolling away (Y page 153).
X Check the tyres and, if necessary, follow the instructions for a flat
tyre (Y page 289).
X Check the tyre pressures and, if necessary, correct the tyre pres-
sure.
X Restart the tyre pressure loss warning system when the tyre pres-
sure is correct (Y page 309). Check tyre pres‐ Check tyre pres‐
sures then restart sures then restart
Run Flat Indicator Run Flat Indicator The tyre pressure loss warning system generated a display message
and has not been restarted since.
X Set the correct tyre pressure in all four tyres.
X Restart the tyre pressure loss warning system (Y page 309).Run Flat Indicator Run Flat Indicator
inoperative inoperative The tyre pressure loss warning system is faulty.
X Consult a qualified specialist workshop. Rectify tyre pres‐
Rectify tyre pres‐
sure sure The tyre pressure is too low in at least one of the tyres, or the tyre
pressure difference between the wheels is too great.
X Check the tyre pressures at the next opportunity (Y page 309).
X If necessary, correct the tyre pressure.
X Restart the tyre pressure monitor (Y page 311). Display
messages
237On-board computer and displays Z