AUX and USB sockets
You can connect mobile audio devices such
as an MP3 player via the AUX and USB
sockets using commercially available
3.5 mm socket plug (AUX) or USB connector
cable (USB).
The AUX and USB sockets are located in the
glove box. 0002
USB socket
0003 AUX socket smart surround sound system*
The smart surround sound system
supplements the existing speakers with
more powerful and additional speakers
(including a digital amplifier in the
passenger footwell and a passive
subwoofer). Driving systems
Cruise control*
The cruise control maintains the speed you
set for your vehicle automatically. On
downhill grades, the cruise control does
not brake the vehicle via the brake system.
The cruise control can only use the braking
power of the engine. You must apply the
brakes yourself in order to reduce the
vehicle speed. The cruise control will then
be canceled. G
WARNING
The cruise control is aconvenience system
designed to assist the driver during
vehicle operation. The cruise control
cannot take road, traffic, and weather
conditions into account. The driver is and
must always remain responsible for the
vehicle’s speed and for safe brake
operation.
Do not use the cruise control
R if the road, traffic, and weather
conditions do not make it advisable to
travel at a constant speed
R on slippery roads
Rapid changes in tire traction can result
in wheel spin and loss of control.
R when driving in fog
The use of the cruise control is
recommended for driving at a constant
speed for extended periods of time.
With the cruise control is activated and a
speed set, the following message appears
in the multifunction display: U.S. vehicles
0002
Cruise control activated
0003 Set speed Canada vehicles
0002
Cruise control activated
0003 Set speed Driving systems
93>> Controls.
* optional Z
The cruise control is operated via buttons
on the steering wheel.
0002
Activating or deactivating the cruise
control
0003 Resuming at last set speed or
increasing speed
002B Setting current or lower speed, or
decreasing speed
002A Canceling the cruise control
Activating/deactivating The cruise control must be activated before
you can set
aspeed. When you switch off the
drive system, the cruise control is
deactivated automatically.
X Press ON/OFF button 0002briefly.
The cruise control is activated.
CRUISE (USA only) or
0003(Canada only)
appears in the multifunction display.
Setting current speed You can set any speed above 20 mph
(30 km/h).
X
Accelerate the vehicle to the desired
speed.
X With the cruise control activated, press
SET/− button 002Bbriefly.
X Remove your foot from the accelerator
pedal.
The current speed is set and the vehicle
maintains that speed. USA only:
set appears in the
multifunction display to indicate that
the speed has been set.
Canada only: The set speed appears in the
multifunction display next to cruise
control symbol 0003.
i On uphill grades, the cruise control
may not be able to maintain the set speed.
Once the grade eases, the set speed will
be resumed.
On downhill grades, the cruise control
can only maintain the set speed using the
drive systems braking power. You must
apply the brakes yourself when the
vehicle does not slow down sufficiently.
This will cancel the cruise control.
Canceling cruise control When the cruise control is activated, you
can cancel it at any time and resume the set
speed later.
X Press CANCEL button 002Abriefly.
or
X Depress the brake pedal.
The cruise control is canceled.
The cruise control deactivates
automatically, when
R you depress the brake pedal
R the vehicle speed is below 20 mphh
(30 km/h)
R ESP ®
is in operation.
Resuming last set speed G
WARNING
The “Resume” function should only be
operated if the driver is fully aware of the
previously set speed and wishes to resume
this particular preset speed.
The set speed stored in memory should only
be set again if prevailing road conditions
and legal speed limits permit. Possible
acceleration or deceleration differences
arising from returning to the preset speed 94
Driving systems>> Controls.
Coat hook on driver’s side
0002
Coat hook Storage compartments
G
WARNING
To help avoid personal injury during a
collision or sudden maneuver, exercise
care when storing objects in the vehicle.
Put luggage or cargo in the cargo
compartment if possible. Do not pile
luggage or cargo higher than the seat
backrests.
Keep compartment lids closed. This will
help to prevent stored objects from being
thrown about and injuring vehicle
occupants during
R hard braking
R a change of direction
R an accident
Do not store objects under the driver’s seat.
Objects stored under the driver’s seat can
slide forwar dinto driver’s foot well during
braking and get caught between or beneath
the pedals .This could restrict your ability
to brake or accelerate and could lead to
accidents and injury.
Coin holder The coin holder is located in front of the
gear selector lever. Example illustration (coupé)
0002
Coin holder
Door pockets The door pockets are located in the driver’s
and passenger door.
0002
Door pocket
Storage trays next to the steering wheel The storage trays are located to the left and
right of the steering wheel.
0002
Storage tray 102
Loading and storing>> Controls.
>> Operation.High-voltage battery
........................108
Front compartment ............................ 117
Tires and wheel s.............................. 122
Winte rdriving ................................ 140
Driving instructions ........................141
Driving abroad ................................ 146
Vehicle care ................................... 147
Tires and wheels
Safety notes
Contact an authorized electric drive smart
center for information on tested and
recommended rims and tires for summer
and winter operation. They can also offer
advice concerning tire service and
purchase. G
WARNING
Replace rims or tires with the same
designation, manufacturer and type as
shown on the original part. For further
information contact an authorized electric
drive smart center. If incorrectly sized
rims and tires are mounted, the wheel
brakes or suspension components can be
damaged. Also, the operating clearance of
the wheels and the tires may no longer be
correct. G
WARNING
Worn, old tires can cause accidents. If the
tire tread is worn to minimum tread depth,
or if the tires have sustained damage,
replace them.
When replacing rims, only use genuine
smart wheel bolts specified for the
particular rim type. Failure to do so can
result in the bolts loosening and possibly
an accident.
Retreaded tires are not tested or
recommended by smart, since previous
damage cannot always be recognized on
retreads. The operating safety of the
vehicle cannot be assured when such tires
are used. G
WARNING
If you feel a sudden significant vibration
or ride disturbance, or you suspect that
possible damage to your vehicle has
occurred, you should turn on the hazard
warning flashers, carefully slow down, and
drive with caution to an area which is a safe
distance from the road. Inspect the tires and the vehicle underbody
for possible damage. If the vehicle or tires
appear unsafe, have the vehicle towed to the
nearest authorized electric drive smart
center or tire dealer for repairs.
G
WARNING
Do not drive with a flat tire. A flat tire
affects the ability to steer or brake the
vehicle. You could lose control of the
vehicle. Continued driving with aflat tire
or driving at high speed with a flat tire
will cause excessive heat build-up and
possibly a fire.
Modifications to the brake system and
wheels and the use of brake dust rings are
not permissible. Important guidelines
R Only use sets of tires and rims of the same
type and make.
R Tires must be of the correct size for the
rim.
R Break in new tires for approximately
60 miles (100 km) at moderate speeds.
R Regularly check the tires and rims for
damage. Dented or bent rims can cause
tire pressure loss and damage to the tire
beads.
R If vehicle is heavily loaded, check tire
inflation pressure and correct as
required.
R Do not allow your tires to wear down too
far. Adhesion properties on wet roads are
sharply reduced at tread depths of less
than 1
/ 8 in (3 mm). Recommended tire inflation pressure
G
WARNING
Follow recommended tire inflation
pressures. 122
Tires and wheels>> Operation.
Do not underinflate tires. Underinflated
tires wear excessively and/or unevenly,
adversely affec thandling and energy
consumption of the vehicle, and are more
likely to fail from being overheated.
Do not overinflate tires. Overinflated
tires can adversely affect handling and
ride comfort, wear unevenly, increase
stopping distance, and result in sudden
deflation (blowout) because they are more
likely to become punctured or damaged by
road debris, potholes etc.
Do not overload the tires by exceeding the
specified load limit as indicated on the
Tire and Loading Information placard on
the driver’s door B‑pillar. Overloading the
tires can overheat them, possibly causing
a blowout. Overloading the tires can also
result in handlin gor steering problems, or
brake failure.
Your vehicle is equipped with the Tire and
Loading Information placard located on
the driver’s door B‑pillar (Y page 128).
The tire inflation pressure should be
checked regularly. Only adjust the tire
inflation pressure on cold tires. The tires
can be considered cold if the vehicle has
been parked for at least 3 hours or driven
less than 1 mile (1.6 km). Depending on the
ambient temperature, the driving speed
and the tire load, the tire temperature
changes. When the tire temperature
changes by 18¦ (10¥), the tire inflation
pressure will change by approximately
10 kpa (0.1 bar, 1.5 psi). Keep this in mind
when checking tire inflation pressure on
warm tires and adjust the tire pressure
only if the tire inflation pressure is too
low for the current operating conditions.
If you check the tire inflation pressure
when the tires are warm, the reading will
be higher than the cold reading. This is
normal. Do not let air out to match the
specified cold tire inflation pressure.
Otherwise, the tire will be underinflated. Follow recommended cold tire inflation
pressures listed on Tire and Loading
Information placard on the driver’s door
B‑pillar.
Keeping the tires properly inflated
provides the best handling, tread life and
riding comfort.
In addition to the Tire and Loading
Information placard on the driver’s door
B‑pillar, also consult the tire inflation
pressure label (if available) on the inside
of the filler flap for any additional
information pertaining to special driving
situations. For more information, see
“Important notes on tire inflation
pressure” (Y
page 124).
i Data shown on Tire and Loading
Information placard example are for
illustration purposes only. Tire data are
specific to each vehicle and may vary
from data shown in the following
illustration. Refer to Tire and Loading
Information placard on vehicle for
actual data specific to your vehicle. The Tire and Loading Information placard
lists the recommended cold tire inflation
pressures
0002for maximum loaded vehicle
weight. The tire inflation pressures listed
apply to the tires installed as original
equipment. Tires and wheels
123>> Operation. Z
Important notes on tire inflation
pressure
G
WARNING
If the tire inflation pressure drops
repeatedly, check the tires for punctures
from foreign objects and/or whether air is
leaking from the valves or from around the
rim.
Tire temperature and tire inflation
pressure are also increased while driving,
depending on the driving speed and the
tire load.
Potential problems associated with
underinflated and overinflated tires Underinflated tires
G
WARNING
Follow recommended tire inflation
pressures.
Do not underinflate tires. Underinflated
tires wear excessively and/or unevenly,
adversely affect handling and energy
consumption of the vehicle, and are more
likely to fail from being overheated.
Underinflated tires can
R cause excessive and uneven tire wear
R adversely affect energy consumption of
the vehicle
R lead to tire failure from being
overheated
R adversely affect handling
characteristics
Overinflated tires G
WARNING
Follow recommended tire inflation
pressures.
Do not overinflate tires. Overinflated
tires can adversely affect handling and
ride comfort, wear unevenly, increase
stopping distance, and result in sudden
deflation (blowout) because they are more likely to become punctured or damaged by
road debris, potholes etc.
Overinflated tires can
R adversely affect handling
characteristics
R cause uneven tire wear
R be more prone to damage from road
hazards
R adversely affect ride comfort
R increase stopping distance Checking tire inflation pressure
Safety notes G
WARNING
Follow recommended tire inflation
pressures.
Do not underinflate tires. Underinflated
tires wear excessively and/or unevenly,
adversely affect handling and energy
consumption of the vehicle, and are more
likely to fail from being overheated.
Do not overinflate tires. Overinflated
tires can adversely affect handling and
ride comfort, wear unevenly, increase
stopping distance, and result in sudden
deflation (blowout) because they are more
likely to become punctured or damaged by
road debris, potholes etc.
Do not overload the tires by exceeding the
specified load limit as indicated on the
Tire and Loading Information placard on
the driver’s door B‑pillar. Overloading the
tires can overheat them, possibly causing
a blowout. Overloading the tires can also
result in handling or steering problems, or
brake failure.
Check the tire inflation pressure at least
once a month.
Check and adjust the tire inflation
pressure when the tires are cold
(Y page 123). 124
Tires and wheels>> Operation.
Checking tire inflation pressure
manually
Follow the steps below to achieve correct
tire inflation pressure:
X Remove the cap from the valve on one tire.
X Firmly press a tire gauge onto the valve.
X Read the tire inflation pressure on tire
gauge and check against the
recommended tire inflation pressure on
the Tire and Loading Information
placard on the driver’s door B‑pillar
(Y page 128). If necessary, add air to
achieve the recommended tire inflation
pressure.
X If you have overfilled the tire, release
tire inflation pressure by pushing the
metal stem of the valve with e.g. a tip of
a pen. Then recheck the tire inflation
pressure with the tire gauge.
X Install the valve cap.
X Repeat this procedure for each tire.
Tire Pressure Monitoring System
(TPMS)* Your vehicle may be equipped with a
Tire
Pressure Monitoring System (TPMS).
It monitors the tire inflation pressure in
all four tires .Awarning is issued to alert
you to a decrease in pressure in one or more
of the tires.
The Tire Pressure Monitoring System
(TPMS) is equipped with a combination low
tire pressure/TPMS malfunction telltale in
the instrument cluster. Depending on how
the telltale illuminates, it indicates a low
tire pressure condition or a malfunction in
the TPMS system itself:
R If the telltale illuminates continuously,
one or more of your tires is significantly
underinflated. There is no malfunction
in the TPMS.
R If the telltale flashes for 60 seconds and
then stays illuminated, the TPMS system
itself is not operating properly. The TPMS only functions on wheels that are
equipped with the proper electronic
sensors. G
WARNING
The TPMS does not indicate a warning for
wrongly selected inflation pressures.
Always adjust tire inflation pressure
according to the Tire and Loading
Information placard on the driver’s door
B‑pillar.
The TPMS is not able to issue a warning due
to a sudden dramatic loss of pressure (e.g.
tire blowout caused by a foreign object). In
this case bring the vehicle to a halt by
carefully applying the brakes and avoiding
abrupt steering maneuvers. 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 your vehicle has tires of a
different size than the size indicated on
the Tire and Loading Information placard,
you should determine the proper tire
inflation pressure for those tires.
As an added safety feature, your vehicle has
been equipped with a tire pressure
monitoring system (TPMS) that illuminates
a low tire pressure telltale when one or
more of your tires is significantly
underinflated.
Accordingly, when the low tire pressure
telltale illuminates, you should stop and
check your tires as soon as possible, and
inflate them to the proper pressure.
Driving on a significantly underinflated
tire causes the tire to overheat and can lead
to tire failure.
Underinflation also increases energy
consumption, reduces tire tread life, and
may affect the vehicle’s handling and
stopping ability. Please note that the TPMS
is not a substitute for proper tire
maintenance, and it is the driver’s Tires and wheels
125>> Operation.
* optional Z