Jump start assistance
Your vehicle’s 12-volt battery is located in the passenger footwell below the footrest
(Y page 199).
For jump starting, use the terminals of the battery, keeping the leads connected.
X Make sure the two vehicles do not touch.
X Switch off all electrical consumers.
X Engage the parking brake.
X Move the gear selector lever to park position P.
X Switch off the drive system.
X Get access to the battery in the passenger footwell (Y page 199).
X Remove the positive terminal cover. Position
Arepresents the charged battery of another vehicle or an equivalent starter
pack.
! Never invert the terminal connections!
X Connect positive terminal :of charged battery Awith positive terminal ;of your
vehicle’s battery Bwith a jumper cable. Clamp the jumper cable to positive termi-
nal :of charged battery Afirst.
X Start the engine of the vehicle with charged battery A.
X Connect negative terminal =of charged battery Awith negative terminal ?of your
vehicle’s battery Bwith a jumper cable. Clamp the jumper cable to negative terminal
= of charged battery Afirst.
X Start the drive system of your vehicle. You can now switch on minimal consumers. Do not
switch on large consumers such as the rear window defroster or headlamps. 202
Jump starting>> Practical hints.
X
Remove the jumper cables from negative terminals =and ?first.
X Remove the jumper cables from positive terminals :and ;.
You can now switch on the headlamps.
X Remount the positive terminal cover.
X Have the 12-volt battery checked at the nearest authorized electric drive smart center.
i Please keep in mind that it will take quite some time to charge the 12-volt battery.
When you switch off the drive system after driving a short distance, you may not be able to start it again.
Charge the 12-volt battery completely as soon as possible. Towing
About towing
This section offers information on towing
methods for breakdown situations and
emergency towing. Recommended towing method - Break-
down situation
! To prevent damage during transport, do
not tie down the vehicle by its chassis or suspension parts — use only wheel straps to position and hold down the vehicle.
Improper tie down on a flatbed carrier
truck or trailer can damage suspension
parts and body panels.
smart recommends that the vehicle be
transported with all wheels off the ground
using a flatbed carrier truck or appropri- ate wheel lift/dolly equipment.
Always have your vehicle transported:
R when the Nwarning lamp for the high-
voltage system lights up in the instru-
ment cluster
R when the Do not tow (away)
Do not tow (away) message
appears in the instrument cluster
R when the multifunction display is inop-
erative R
when one or several of the following
warning lamps light up:
- þ Drive diagnostics (red)
- # 12‑Volt battery
D Power steering
R if the brake pedal already starts to pul-
sate just after towing begins
R if you have to transport the vehicle over
long distances
X Switch off the tow‑away protection* and
interior motion sensor* (Y page 50). Emergency towing
When circumstances do not permit the rec-
ommended towing method, the vehicle may
be towed with all wheels on the ground
using a strap or tow bar connected to
another vehicle. Only tow the vehicle as far as necessary to have the vehicle moved to a
safe location where the recommended tow-
ing method can be employed. G
WARNING
If circumstances require towing the vehi-
cle with all wheels on the ground, always tow
with a tow bar if:
R the drive system will not run
R there is a malfunction in the brake sys-
tem
R there is a malfunction in the power sup-
ply or in the vehicle’s electrical system Towing
203>> Practical hints.
* optional Z
No. Accessory/Component Amperage Color
E
CPC, shifter, brake force booster vacuum
pump 7.5 A Brown
F
Coolant pumps 1 and 2, high-voltage battery 15 A Blue
G
ESP
®
control unit 25 A Neutral
H
Exterior lamp switch, turn signal lamp
switch, cockpit switch module, on-board
diagnostics socket, exterior rear view mir-
ror heating, anti-theft warning system,
rain-light sensor, charge level and power
gauges, central locking system, instrument
cluster, Tire Pressure Monitoring System
(TPMS), brake and turn signal lamps (left and right) 10 A Red
I
— — —
J
— — —
K
Safety circuit high-voltage battery 15 A Blue
L
— — —
M
Rear window wiper (coupé only) 15 A Blue
N
ESP
®
control unit, EPS control unit, restraint
systems 10 A Red
O
Electric drive components, engine control
unit, transmission control unit, on-board
diagnostics socket, sound generator 7.5 A Brown
P
Air conditioning system, exterior rear view
mirror adjustment, washer pump, audio, seat
heating, wiper switch, cruise control, soft
top switch (cabriolet only), backup lamp 10 A Red
Q
Auxiliary power outlet 15 A Blue
R
Left low‑beam headlamp 7.5 A Brown
S
Right low‑beam headlamp 7.5 A Brown
T
— — —
U
Right high‑beam headlamp 7.5 A Brown
V
Left high‑beam headlamp 7.5 A Brown
W
Electric drive components 7.5 A Brown Fuses
209>> Practical hints. Z
