G
WARNING
Driving with the brake warning lamp illuminated can result in an accident. Have your brake
system checked immediately if the brake warning lamp stays on.
Do not add brake fluid before checking the brake system.
! If you find that the brake fluid in the brake fluid reservoir has fallen to the minimum
mark or below, have the brake system checked for brake pad thickness and leaks
immediately. Contact an authorized electric drive smart center immediately. Do not
add brake fluid as this will not solve the problem.
Safety systems Problem Possible causes/consequences and
0001 Solutions
000B
The seat belt
telltale
illuminates
constantly for a
maximum of
6 seconds after
starting the
drive system. Regardless of whether the seat belt is fastened or not, the seat
belt telltale always comes on and remains lit for 6 seconds
after starting the drive system.
X Fasten your seat belts. 000B
The seat belt
telltale
illuminates
constantly. An
additional
warning chime
sounds for a
maximum of
6 seconds after
starting the
drive system. The driver’s seat belt is unfastened.
X
Fasten your seat belts. 000B
The seat belt
telltale flashes
with
increasing
frequency of a
warning chime
for a maximum
of 60 seconds. The vehicle speed once exceeds 15 mph (25 km/h), and both the
driver’s and passenger seat belt are unfastened.
X
Fasten your seat belts.
If the driver’s or the passenger seat belt remains unfastened
after 60 seconds, the warning chime stops sounding. The seat
belt telltale stops flashing but continues to be illuminated.
The seat belt telltale will only go out if both the driver’s and
the passenger seat belt (with the passenger seat occupied) are
fastened, or the vehicle is standing still and adoor is opened. What to do if ...
161>> Practical hints. Z
Problem Possible causes/consequences and
0001 Solutions
000A
Scenario 1:
The SRS
indicator lamp
illuminates
when the
ignition is
switched on and
goes out after a
maximum of
4 seconds. The subsequent self check of the safety systems detected no
malfunction. The supplemental restraint system is
operational.
000A
Scenario 2:
The SRS
indicator lamp
illuminates
when the
ignition is
switched on and
goes out after a
maximum of
4 seconds for
approximately
1second, then it
comes on again
and stays on. There is a malfunction in the supplementa
lrestraint systems.
The air bags or Emergency Tensioning Devices could deploy
unexpectedly or fail to deploy in an accident.
X Do not sit on the passenger seat; this applies particularly
to children.
X Have the system checked at an authorized electric drive
smart center. G
WARNING
If the SRS indicator lamp does not come on when you switch on the ignition or does not go
out again after a few seconds once the drive system is running or comes on again, the
supplemental restraint systems are malfunctioning.
In the event that a malfunction of the SRS is indicated as described in scenario 2, the SRS
may not be operational. For your safety, we strongly recommend that you contact an
authorized electric drive smart center immediately to have the system checked; A
malfunctioning SRS system may not deploy when needed in an accident resulting in serious
or fatal injury, or it might deploy unexpectedly and unnecessarily which could result in an
accident and/or injury to you or to others.
! If the SRS indicator lamp comes on while driving, have the system checked at an
authorized electric drive smart center immediately.
It is possible that the air bag and the emergency tensioning device could be activated
unintentionally or will not function in the event of an accident.
i Information on the operating principle of the air bags can be found in the “Safety”
section (Y page 31). 162
What to do if ...>> Practical hints.
Problem Possible causes/consequences and
0001 Solutions
0004
The ESP ®
warning lamp
flashes while
driving. The ESP
®
has engaged because of detected traction loss in at
least one tire.
X When driving off, apply as little throttle as possible.
X While driving, ease up on the accelerator pedal.
X Adapt your speed and driving to the prevailing road and
weather conditions. 0004
The ESP ®
warning lamp
illuminates
continuously
while the drive
system is
running. The ESP
®
is not operational due to a system failure.
X Have the system checked at an authorized electric drive
smart center. The ESP
®
is not available.
X Have the system checked at an authorized electric drive
smart center. G
WARNING
When the ESP ®
warning lamp is illuminated continuously, the ESP ®
is not available or not
operational due to a system failure.
Adapt your speed and drivin gto the prevailing road conditions and the non-operating status
of the ESP ®
.
i It may be possible to clear a system failure by restarting the drive system.
X Restart the drive system.
If the warning lamp still does not go out, have the system checked at an authorized
electric drive smart center immediately.
i More information on the ESP ®
can be found in the “Safety” section (Y page 45).Problem Possible causes/consequences and
0001 Solutions
0002
The yellow EPS
warning lamp
illuminates
while the drive
system is
running. The Electronic Power Steering (EPS)* is not available.
X
Have the EPS checked at an authorized smart electric drive
center immediately. G
WARNING
When the EPS is not available a higher degree of effort is necessary to steer the vehicle.
Have the system checked at an authorized electric drive smart center. What to do if ...
163>> Practical hints.
* optional Z
Vehicle
Problem Possible causes/consequences and
0001 Solutions
0004
The red 12-V-
battery
indicator lamp
illuminates
while driving
or does not go
out after the
drive system is
started. The 12-V-battery is not being charged.
X
Stop the vehicle immediately in a safe location.
X Do not continue to drive.
X Switch off the drive system.
X Engage the parking brake when leaving the vehicle.
X Contact Roadside Assistance or an authorized electric drive
smart center. 0002
The yellow
high-voltage
battery
warning lamp
comes on while
driving. There may be a malfunction in the high-voltage system.
Contact an authorized electric drive smart center immediately
and have the high-voltage system checked.
0001
The high‑beam
headlamp
indicator lamp
does not
illuminate
when the
high‑beam
headlamps are
switched on or
when using the
high‑beam
flasher. The high‑beam headlamp indicator lamp has failed.
X
Have the high‑beam headlamp indicator lamp checked at an
authorized electric drive smart center. 0003
The low‑beam
headlamp
indicator lamp
does not
illuminate
when the
low‑beam
headlamps are
switched on. The low‑beam headlamp indicator lamp has failed.
X
Have the low‑beam headlamp indicator lamp checked at an
authorized electric drive smart center. 164
What to do if ...>> Practical hints.
Problem Possible causes/consequences and
0001 Solutions
00030002
The turn signal
indicator lamp(s)
do(es) not illuminate
when the ignition is
switched on and the
corresponding turn
signal is switched on
or the hazard warning
flasher is switched
on. The turn signal indicator lamp(s) has (have) failed.
X
Have the turn signal indicator lamp(s) checked at an
authorized electric drive smart center. 00030002
The turn signal
indicator lamp(s)
flashes at double
frequency. One of the turn signals is malfunctioning.
X
Replace the bulb as soon as possible (Y page 173).
or
X Have the turn signal checked at an authorized electric drive
smart center as soon as possible. Drive system
Problem Possible causes/consequences and
0001 Solutions
0005
The red coolant
temperature
warning lamp
illuminates. The coolant is too hot. The high-voltage battery and/or the
drive system are not cooled sufficiently.
X
Stop the vehicle immediately in a safe location.
X Switch off the drive system.
X Engage the parking brake when leaving the vehicle.
X Contact Roadside Assistance or an authorized electric drive
smart center. What to do if ...
165>> Practical hints. Z
Problem Possible causes/consequences and
0001 Solutions
0001
The yellow
drive
diagnostics
indicator lamp
comes on while
driving. There may be a malfunction in the drive system.
X
Have the vehicle checked at an authorized electric drive
smart center immediately. 0001
The red drive
diagnostics
warning lamp
comes on while
driving. There may be a malfunction in the drive system.
X
Stop the vehicle immediately in a safe location.
X Do not continue to drive.
X Switch off the drive system.
X Engage the parking brake when leaving the vehicle.
X Contact Roadside Assistance or an authorized electric drive
smart center. Tire Pressure Monitoring System (TPMS)*
Problem Possible causes/consequences and
0001 Solutions
0008
The yellow
combination
low tire
pressure/TPMS
malfunction
telltale
illuminates
continuously. The TPMS detects a loss of pressure in at least one tire.
X
Carefully bring the vehicle to a halt, avoiding abrupt
steering and braking maneuvers. Observe the traffic
situation around you.
X Check and correct tire inflation pressure as required
(Y page 124).
If the tire inflation pressure in the respective tire(s) has
(have) been corrected, the combination low tire pressure/TPMS
malfunction telltale goes out after a few minutes of driving.
See also “Restarting the TPMS” (Y page 126).0008
The
combination
low tire
pressure/TPMS
malfunction
telltale flashes
60 seconds and
then stays
illuminated. There is a malfunction in the TPMS.
X
Have the TPMS checked at an authorized electric drive smart
center.
After the malfunction has been remedied the combination low
tire pressure/TPMS malfunction telltale goes out after a few
minutes of driving. G
WARNING
Each tire should be checked monthly when cold and inflated to the inflation pressure
recommended by the vehicle manufacturer on the Tire and Loading Information placard. If 166
What to do if ...>> Practical hints.
* optional
Warning and indicator lamps in the overhead control panel
Problem Possible causes/consequences and
0001 Solutions
00090007
The passenger front
air bag off indicator
lamp illuminates and
remains illuminated
with the weight of a
typical adult or
someone larger than a
small individual on
the passenger seat. There is a malfunction in the system.
X
Have the system checked at an authorized electric drive
smart center. 00090007
The passenger front
air bag off indicator
lamp does not
illuminate or remains
out with the weight of
a typical
12‑month‑old child in
a standard child
restraint or less on
the passenger seat There is a malfunction in the system.
X
Have the system checked at an authorized electric drive
smart center. G
WARNING
If the 00090007indicator lamp illuminates and remains illuminated with the weight
of a typical adult or someone larger than a small individual on the passenger seat, do not
have any passenger use the passenger seat until the system has been repaired. G
WARNING
If the 00090007indicator lamp does not illuminate or remains out with the weight of
a typical 12‑month‑old child in a standard child restraint or less on the passenger seat, do
not transport a child on the passenger seat until the system has been repaired. 168
What to do if ...>> Practical hints.
Loss of key
Problem Possible causes/consequences and
0001 Solutions
You lose a key. X
Have the key deactivated at an authorized electric drive
smart center.
X Report the loss of the key to your car insurance company
immediately.
X If necessary, have the mechanical lock replaced.
Your authorized electric drive smart center will be glad to
supply you with a replacement following an identity check. Acoustic warning signals
Problem Possible causes/consequences and
0001 Solutions
A warning signal
sounds while driving. You are driving with the parking brake engaged.
X Release the parking brake (Y page 75).A warning signal
sounds when opening
the driver’s door. You have opened the driver’s door while the exterior lighting
is still switched on.
X
Turn the exterior lamp switch to position 0004.A warning signal
sounds. The door is opened while a gear is engaged with the drive
system running and neither the brake nor accelerator pedals
are depressed.
X
Close the driver’s and passenger door.
X Move the gear selector lever to park position P.
or
X Switch off the drive system. You open the driver’s door with the key in starter switch
position
0to remind you not to leave the key in the vehicle.
X Close the driver’s door.
or
X Remove the key from the starter switch. A warning signal
sounds. The seat belts are not fastened when the drive system is
started. For details, see seat belt telltale (Y
page 161).
X Fasten your seat belts. What to do if ...
169>> Practical hints. Z