2016 SMART FORTWO engine

Display messagesPossible causes/consequences and0050Solutions
0079or0045/
003A/0046/
0044
Transmission Over‐heated See Opera‐tor's Manual
Only for vehicles with automatic transmission: 0079flashes
alternately with the currently selected transmission position. A
warning tone also sounds.
Further pulling away or crawling maneuvers have led to a critical
clutch temperature.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecure the vehicle to prevent it from rolling away.
XWait until the automatic transmission has cooled down and the
display message does not reappear after acknowledging it.
Electronics Mal‐functionVisitWork‐shop
In addition the \door warning lamp and other warning lamps,
e.g. 00E5, light up.
The central vehicle electronics system is malfunctioning.
After the engine is switched off:
Rdo not lock/unlock the doors using the remote control function of
the key
Ryou can no longer start the engine.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driv-
ing under any circumstances.
XSecure the vehicle against rolling away (Ypage 100).
XConsult a qualified specialist workshop.
Electronics Mal‐functionVisitWork‐shop
The transmission electronics are malfunctioning or the neutral
sensor is faulty.
Cruise control is automatically deactivated.
Starting the engine is only possible with the clutch pedal fully
depressed.
XVisit a qualified specialist workshop.
0039
Remove key
The key is in the ignition lock, the engine is switched off and the
driver's door is open.
XRemove the SmartKey.
Rain and Light Sen‐sor InoperativeThe rain/light sensor is malfunctioning.
Automatic headlamp mode and automatic intermittent wipe are not
available.
XSwitch on exterior lighting manually if required (Ypage 67).
XSwitch the windshield wipers on or off manually as required
(Ypage 74).
XVisit a qualified specialist workshop.
130Display messages
>> On-board computer and displays.

Warning and indicator lamps in the instrument cluster
Safety
Seat belts
ProblemPossible causes/consequences and 0050Solutions
00E9
After starting the
engine, the red seat
belt warning lamp
lights up for six sec-
onds.The seat belt warning lamp reminds the driver and front passenger
to fasten their seat belts. An additional warning tone will sound if
the driver's seat belt is not fastened.
XFasten your seat belt (Ypage 31).
The warning tone ceases.
00E9
After starting the
engine, the red seat
belt warning lamp
lights up.The driver or front passenger has not fastened their seat belt.
XFasten your seat belt (Ypage 31).
The warning lamp goes out.
00E9
The red seat belt warn-
ing lamp flashes and a
warning tone sounds.The driver or front passenger has not fastened their seat belt. The
vehicle is being driven faster than 12 mph (20 km/h) or has briefly
been driven faster than 12 mph (20 km/h).
XFasten your seat belt (Ypage 31).
The warning lamp goes out and the warning tone ceases.
Warning and indicator lamps in the instrument cluster131
>> On-board computer and displays.
Z

Safety systems
ProblemPossible causes/consequences and0050Solutions
0075
The red restraint sys-
tem warning lamp is lit
while the engine is
running.The restraint system is faulty.
GWARNING
The air bags or Emergency Tensioning Devices may either be trig-
gered unintentionally or, in the event of an accident, may not be
triggered.
There is an increased risk of injury.
XDrive on carefully.
XHave the restraint system checked at a qualified specialist
workshop immediately.
For further information about the restraint system, see
(
Ypage 29).
0027 (USA only)
004D (Canada only)
00E50025
The red brake system
warning lamp, the yel-
low ESP
®warning lamp
and the yellow ABS
warning lamp light up
while the engine is
running.
GWARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP
®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driv-
ing under any circumstances.
XSecure the vehicle against rolling away (Ypage 100).
XConsult a qualified specialist workshop.
0027 (USA only)
004D (Canada only)
The red brake system
warning lamp comes on
while the vehicle is
moving. A warning tone
also sounds.You are driving with the parking brake engaged.
XRelease the parking brake.
The warning lamp goes out and the warning tone ceases.
132Warning and indicator lamps in the instrument cluster
>> On-board computer and displays.

ProblemPossible causes/consequences and0050Solutions
0027(USA only)
004D (Canada only)
The red brake system
warning lamp comes on
while the engine is
running. A warning
tone also sounds.There is not enough brake fluid in the brake fluid reservoir.
GWARNING
The braking effect may be impaired.
There is a risk of an accident.
XObserve the additional display messages.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driv-
ing under any circumstances.
XSecure the vehicle against rolling away (Ypage 100).
XDo not add brake fluid. Adding more will not remedy the mal-
function.
XConsult a qualified specialist workshop.
0027 (USA only)
004D (Canada only)
The red brake system
warning lamp comes on
while the engine is
running. A warning
tone also sounds.EBD (electronic brake force distribution) is malfunctioning. This
means that ABS, ESP®, Crosswind Assist and hill start assist, for
example, are also unavailable.
Other driving systems could be switched off automatically.
GWARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock early if
you brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP
®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driv-
ing under any circumstances.
XSecure the vehicle against rolling away (Ypage 100).
XConsult a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster133
>> On-board computer and displays.
Z

ProblemPossible causes/consequences and0050Solutions
0025
The yellow ABS warning
lamp is lit while the
engine is running.ABS is malfunctioning. This means that ESP®, Crosswind Assist and
hill start assist, for example, are also unavailable.
Other driving systems could be switched off automatically.
GWARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP
®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XDrive on carefully.
XVisit a qualified specialist workshop.
If the ABS control unit is faulty, there is also a possibility that
other systems may be unavailable.
00E5
The yellow ESP®warn-
ing lamp is on when you
are driving.
In addition, the \
door warning lamp and
other warning lamps,
e.g. 0077, light up.
The central vehicle electronics system is malfunctioning.
After the engine is switched off:
Rdo not lock/unlock the doors using the remote control function of
the key
Ryou can no longer start the engine.
XObserve the additional display messages in the display.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driv-
ing under any circumstances.
XSecure the vehicle against rolling away (Ypage 100).
XConsult a qualified specialist workshop.
00E5
The yellow ESP®warn-
ing lamp flashes while
the vehicle is in
motion.
ESP®or traction control has intervened because there is a risk of
skidding or at least one wheel has started to spin.
Cruise control is automatically deactivated.
XWhen pulling away, only depress the accelerator pedal as far as
necessary.
XEase off the accelerator pedal while the vehicle is in motion.
XAdapt your driving style to suit the road and weather condi-
tions.
134Warning and indicator lamps in the instrument cluster
>> On-board computer and displays.

ProblemPossible causes/consequences and0050Solutions
00E5
The yellow ESP®warn-
ing lamp is lit while
the engine is running.
ESP®is not available due to a malfunction.
Other driving systems could be switched off automatically.
GWARNING
The brake system continues to function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
The brake lamps may not be functioning and thus no longer working
when braking.
If ESP
®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driv-
ing under any circumstances.
XSecure the vehicle against rolling away (Ypage 100).
XObserve the additional display messages in the display.
XCheck that the brake lamps are working.
If the brake lamps are not working:
XConsult a qualified specialist workshop.
If the brake lamps are working:
XDrive on carefully.
XVisit a qualified specialist workshop.
^
The yellow distance
warning function warn-
ing lamp comes on
while the vehicle is
moving.
In addition the \
door warning lamp and
other warning lamps,
e.g. 00E5, light up.The central vehicle electronics system is malfunctioning.
After the engine is switched off:
Rdo not lock/unlock the doors using the remote control function of
the key
Ryou can no longer start the engine.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driv-
ing under any circumstances.
XSecure the vehicle against rolling away (Ypage 100).
XConsult a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster135
>> On-board computer and displays.
Z

ProblemPossible causes/consequences and0050Solutions
^
The yellow distance
warning function warn-
ing lamp comes on
while the vehicle is
moving.The distance warning function is malfunctioning or temporarily
inoperative. Possible causes are:
Rthe smart logo in the radiator trim is dirty.
Rfunction is impaired due to heavy rain or snow.
Rthe radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
Rthe system is outside the operating temperature range.
RThe on-board voltage is too low.
If the causes listed above no longer apply, the distance warning
function is operational again.
If the distance warning lamp continues to light up, the distance
warning function electronics are malfunctioning.
XVisit a qualified specialist workshop.
00BA
The red distance warn-
ing lamp lights up
while the vehicle is in
motion. A warning tone
also sounds.You are approaching a vehicle or a stationary obstacle in your line
of travel at too high a speed.
XBe prepared to brake immediately.
XPay careful attention to the traffic situation. You may have to
brake or take evasive action.
Further information on the distance warning function (
Ypage 48).
Engine
ProblemPossible causes/consequences and 0050Solutions
00B9
The yellow Check
Engine warning lamp
flashes while the
engine is running.The ignition system is malfunctioning. The engine is misfiring,
for example, which means the catalytic converter could become
damaged.
XVisit a qualified specialist workshop immediately.
iIn some states, you must immediately visit a qualified spe-
cialist workshop as soon as the yellow Check Engine warning
lamp lights up. This depends on the locally applicable legal
requirements. If in doubt, check whether such legal regulations
apply in the state in which you are currently driving.
00B9
The yellow Check
Engine warning lamp
lights up while the
engine is running. The
engine power output is
also reduced.The engine is running in emergency mode. This may lead to a mal-
functioning of the fuel injection system, for example.
XDrive on carefully.
XVisit a qualified specialist workshop immediately.
iIn some states, you must immediately visit a qualified spe-
cialist workshop as soon as the yellow Check Engine warning
lamp lights up. This depends on the locally applicable legal
requirements. If in doubt, check whether such legal regulations
apply in the state in which you are currently driving.
136Warning and indicator lamps in the instrument cluster
>> On-board computer and displays.

ProblemPossible causes/consequences and0050Solutions
00B9
The yellow Check
Engine warning lamp
lights up while the
engine is running.There may be a malfunction, for example:
Rin the engine management
Rin the exhaust system
Rin the fuel system
Rwith the accelerator pedal sensor
XVisit a qualified specialist workshop immediately.
iIn some states, you must immediately visit a qualified spe-
cialist workshop as soon as the yellow Check Engine warning
lamp lights up. This depends on the locally applicable legal
requirements. If in doubt, check whether such legal regulations
apply in the state in which you are currently driving.
00EF
The red battery warning
lamp is lit while the
engine is running. A
warning tone also
sounds.The battery is not being charged.
Possible causes are:
Ra defective alternator
Rthe battery is faulty
Ra torn poly-V-belt
Ra malfunction in the electronics
XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
!Do not continue driving. The engine could otherwise overheat.
XSecure the vehicle against rolling away (Ypage 100).
XConsult a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster137
>> On-board computer and displays.
Z