Page 244 of 314
What to do if ...
>> Practical hints.
243
EPS* warning lamp
Illuminates:
• when the ignition is switched on.
The warning lamp goes out after starting
the engine.
• when the power steering is not available.
>Have the power steering checked at an au
thorized smart center immediately.ESP
® warning lamp
Flashes:
•when the ESP
® is engaged.
Illuminates continuously:
•if ESP
® is not operational due to a system
failure.
•if ESP® is not available.
G
Warning!
When the power steering is not available
a higher degree of effort is necessary to
steer the vehicle. Have the system che
cked at a smart center.
Page 245 of 314

What to do if ...
244
>> Practical hints.
i
It may be possible to clear a system failure
by restarting the engine.
>Restart the engine.
>If the warning lamp still does not go out,
have the system checked at an authorized
smart center immediately.
i
More information on the ESP
® can be found
in the "Safety" section (
page 73).High beam headlamp indicator lamp
Illuminates:
• with the high beam headlamps switched on.
• when using the high beam flasher.
i
If the high beam headlamp indicator lamp
does not illuminate when the high beam head
lamps are switched on or when using the high
beam flasher, have the system checked at an
authorized smart center. Low beam headlamp indicator lamp
Illuminates:
• with the low beam headlamps switched on.
i
If the low beam headlamp indicator lamp
does not illuminate when the low beam head
lamps are switched on, have the system
checked at an authorized 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 driving to the
prevailing road conditions and the
nonoperating status of the ESP®.
Page 246 of 314

What to do if ...
>> Practical hints.
245
Passenger front air bag off indicator lamp
Illuminates when the passenger front air bag
is deactivated:
• with the ignition switched on and if OCS
senses that the passenger seat occupant is
classified as being up to or less than the
weight of a typical 12monthold child in a
standard child restraint.
• with the ignition switched on, if the OCS
senses that the passenger seat is not occu
pied.
Goes out:
• after approximately 4 seconds if the OCS
senses that the passsenger seat is occu
pied with a person with the weight of a
typical adult or someone larger than a
small individual.Seat belt telltale
Illuminates constantly:
• for a maximum of 6 seconds after starting
the engine.
Regardless of whether the seat belt is fas
tened or not, the seat belt telltale always
comes on and remains lit for 6 seconds af
ter starting the engine.
• when the driver’s seat belt is unfastened.
An additional warning chime sounds for a
maximum of 6 seconds after starting the en
gine or until the driver’s seat belt is fas
tened.
G
Warning!
If the57indicator lamp
illuminates and remains illuminated with
the weight of a typical adult or someone
larger than a small individual on the pas
senger seat, do not have any passenger
use the passenger seat until the system
has been repaired.G
Warning!
If the57indicator lamp
does not illuminate or remains out with
the weight of a typical 12monthold
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.
Page 247 of 314

What to do if ...
246
>> Practical hints. Flashes with increasing frequency of a warn
ing chime:
• if the vehicle speed once exceeds
15 mph (25 km/h), the seat belt
telltale< starts flashing and a warning
chime sounds with increasing intensity for a
maximum of 60 seconds or until both the
driver’s and passenger’s seat belt are fas
tened.
If the driver’s or the passenger’s 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’s seat
belt (with the passenger seat occupied) are
fastened, or the vehicle is standing still and a
door is opened.SRS indicator lamp
The SRS indicator lamp signals to you that
there is a malfunction in the supplemental
restraint system of the
•Air bags
• Emergency Tensioning Devices
i
Information on the operating principle of
the air bags can be found in the "Safety"
section (
page 54).
Illuminates:
• when the ignition is switched on
(selfcheck).
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 engine 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 smart center im
mediately to have the system checked; A
malfunctioning SRS system may not de
ploy when needed in an accident result
ing 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
Page 248 of 314

What to do if ...
>> Practical hints.
247
The subsequent self check of the safety
systems yields the following results:
Scenario 1:
The SRS indicator lamp goes out after a
maximum of 4 seconds:
No malfunction detected. The supplemental
restraint system is operational.
Scenario 2:
The SRS indicator lamp goes out after a maxi
mum of 4 seconds for approximately 1 second,
then it comes on again and stays on:
There is a malfunction in the supplemental
restraint systems. The air bags or Emer
gency Tensioning Devices could deploy un
expectedly or fail to deploy in an accident.
>Do not sit on the passenger seat; this ap
plies particularly to children.
>Have the system checked at an authorized
smart center.
!
If the SRS indicator lamp comes on while
driving, have the system checked at an autho
rized smart center immediately.
It is possible that the air bag and the emer
gency tensioning device could be activated
unintentionally or will not function in the event
of an accident.Turn signal indicator lamp(s)
Flash(es):
• when the ignition is switched on:
• the corresponding turn signal is switched
on.
• the hazard warning flasher is switched on.
>If the turn signal indicator lamp(s) do(es)
not illuminate, have the turn signal indica
tor lamp(s) checked at an authorized smart
center.
Page 250 of 314

What to do if ...
>> Practical hints.
249 Acoustic warning signals
Door warning
A warning signal sounds if the door is opened
while a gear is engaged with the engine run
ning and neither the brake nor accelerator
pedals are depressed.
In addition a warning signal sounds if you
open the driver’s door with the key in the
starter switch position 0 to remind you not to
leave the key in the vehicle.Antitheft warning system*
Once the antitheft warning system has been
armed, a visual and audible alarm is triggered
when someone opens
• a door or the tailgate,
• when the vehicle's interior is entered,
• if there is motion inside the vehicle,
• if the vehicle is raised.
The alarm is also triggered if the passenger
door is unlocked with the key (
page 250).
To cancel the alarm:
>Insert the key in the starter switch.
>Turn starter switch in Position 1
(
page 91).
or
>Press button
©
or
ª
on the key.Seat belt reminder system
If seat belts are not fastened when the engine
is started, a warning chime will sound, for de
tails see seat belt telltale (
page 245).
Mechanical/acoustic brake pad indicator
The vehicle is equipped with a mechanical/
acoustic brake pad indicator. If you can hear
a continuous noise from the front axle when
braking, have the brake pads checked at an
authorized smart center.
Page 251 of 314

Unlocking/locking manually
250
>> Practical hints.
Unlocking the vehicleYou can unlock the driver’s door and the fuel
filler flap by unlocking the driver’s door using
the key. The lock cylinder is fitted with a cap.
>Press button
©
on the key.
The antitheft warning system* is disarmed.
i
If the transmitter battery in the key is
discharged, the antitheft warning system*
can no longer be disarmed with button
©
on
the key. For replacing the transmitter battery
(
page 253).
Unlocking the vehicle with the key and opening
a door or the tailgate will trigger the anti
theft warning system* (
page 77).
To cancel the alarm:
>Insert the key in the starter switch.
>Turn starter switch in Position 1
(
page 91).
1
Cap
2
Lock cylinder
>Remove cap
1 from lock cylinder
2.
>Unlock the driver’s door.
The driver’s door and the fuel filler flap are
unlocked.
i
To unlock the vehicle centrally press the
central unlocking switch in the upper center
console (
page 38).
Locking the vehicleIf you can no longer lock the vehicle using the
remote control and you do not have a spare
transmitter battery at hand, please proceed
as follows:
>Open the driver's door.
>Press the central locking switch
(
page 84).
The indicator lamp on central locking
switch
1 comes on, when the starter switch
is in position 1.
The indicator lamp on central locking
switch1 flashes, when the starter switch is
in Position 0.
>Remove the key from the starter switch,
take it with you, and close all doors.
The vehicle is now locked and the antitheft
warning system* is armed. P72.10334831
Page 253 of 314
Replacing transmitter battery
252
>> Practical hints.
NotesThe remote control's transmitter battery is
almost spent when the turn signals flash
rapidly nine times in a row when locking the
vehicle.i
If you do not replace the transmitter
battery, after about 100 more times you will no
longer be able to lock or unlock the vehicle
using the remote control.>Replace the transmitter battery.
or
>Have the transmitter battery replaced at an
smart center.
Batteries contain materials that can harm the
environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries for
recycling.
G
Warning!
Batteries contain poisonous and corro
sive substances. Therefore keep the
batteries out of reach of children.
If a battery is swallowed, seek medical
help immediately.