Smart roadster and smart roadster coupe. Manual - part 15

Helpful hints   10
29

Battery

Jump starting
If your battery is flat and the car will not 
start, another vehicle may be able to help 
you start.
Start your car's engine with the aid of

 jumper cables and

 another vehicle's battery.
Observe the following instructions when 
doing this:

쮿

Switch off the engine of the second 
vehicle.

쮿

Open the front luggage compartment. 
(see page 8
8)

쮿

Turn the four retaining screws 
anticlockwise to remove.

쮿

Remove the storage tray.

쮿

Remove the positive terminal covers.

쮿

First, connect the positive terminal 
(A) with the red jumper cable.

쮿

Then connect the negative terminal (B) 
of the second car's battery to the 
engine block (ground point/unpainted) 
of your car.

쮿

Deactivate the electronic immobiliser 
(see 7
5).

쮿

Start your car's engine.

쮿

If the engine does not start straight 
away, leave about 30 seconds between 
starting attempts.
> If the engine will not start, call a 

breakdown recovery service, 
e.g. smartmove Assistance or a 
qualified specialist workshop, 
such as a smart center.

Danger of acid poisoning!
Do not lean over the battery while 

jump starting the car or recharging the 
battery.

Danger of explosion!
Avoid causing sparks. Do not use 

any naked flames or smoke within the 
vicinity of the battery.
Observe the safety notes and protective 
measures when handling the battery!

10
30   Helpful hints   

Battery

Removing the jumper cables

쮿

Do not switch on electrical consumers 
such as the blower or the rear window 
heater until the engine is running. 
Do not switch the lights on!
> This helps reduce the danger of any 

sparking when removing the jumper 
cables.

쮿

Start by removing the jumper cable 
connected to the negative terminal, 
then remove the cable connected to the 
positive terminal.

Things you need to know

 Only use batteries with identically 

rated voltages (12 volt).

 Use jumper cables of a suitable cross

section and insulated cable clamps; 
these are available from a qualified 
workshop, such as a smart center.

 The vehicles must not touch each other 

during starting attempts.

 Switch off electrical consumers in 

both vehicles.

 Switch off the engine of the second 

vehicle.

Helpful hints   10
31

Battery

Charging the battery

 Only use chargers of a correct or 

suitable voltage.

 Never attempt to recharge a frozen 

battery. Have the battery checked by a 
qualified specialist workshop, e.g. a 
smart center. The housing could be 
damaged.

>Note!
Disconnect the battery for rapid 
charging prior to using the charger.

Danger of injury! 

Danger of explosion!

While the battery is being charged, the 
oxyhydrogen gas generated by the 
battery represents an explosion risk. 
Avoid causing sparks. Do not use any 
naked flames or smoke within the 
vicinity of the battery. Do not touch the 
battery terminal with metal objects and 
do not remove the battery charger's 
terminal clamps until the battery 
charger has been switched off and no 
further gas is being discharged by the 
batteries. Charge the battery in a well

ventilated area. Do not lean over the 
battery during charging, and do not 
breathe in the gases. You are otherwise 
at risk of injury.

Danger of injury! 
 Never attempt to charge the 

installed battery. Doing so could lead 
to the expulsion of gases and 
deflagration, causing damage to 
paintwork or corrosion on the vehicle 
and ultimately injuring you and others.

10
32   Helpful hints   

Roll starting

Roll starting

If the starter is faulty, you can try to 
start the car by letting it run down a 
steep hill.

Preparations

쮿

Switch on the ignition.

쮿

Apply the handbrake.

쮿

Apply the footbrake.

쮿

Move the gearshift lever to position

+ 

and hold it there.

Roll starting

쮿

Release the footbrake.

쮿

Push the accelerator pedal to the floor.

쮿

Release the handbrake.
> As the speed of the car increases the 

clutch is automatically engaged and 
the engine starts.

쮿

Release the gearshift lever.

쮿

Apply pressure to the accelerator 
pedal.

Helpful hints   10
33

Towing

Towing

You will need a towing lug to tow another 
vehicle or have your vehicle towed.
The towing lug (A) is located in the 
passenger
side footwell below the 
carpet. The lug always must be stored at 
this location in the vehicle when it is not 
being used.

쮿

Open the passenger door.

Fixing points for the towing lug

The front fixing point is for towing the 
vehicle.

The rear fixing points are for towing 
other vehicles.

10
34   Helpful hints   

Towing

Attaching the towing lug

쮿

Take the towing lug out of the foot 
support in the passenger
side 
footwell.

쮿

Remove the cover on the vehicle.

쮿

Screw in the towing lug as far as it will 
go and then tighten it.

쮿

Attach the tow rope or the tow bar to the 
towing lug.

Towing

쮿

Switch on the ignition.

쮿

Apply the footbrake.

쮿

Move the gearshift lever to position

N.

>

N appears in the display.

>Important!
The vehicle may only be towed when

 the gearshift lever is in position

N,

 the display shows 

N,

 you are certain that no gear is 

engaged.

This is especially the case when the 
battery is completely depleted, 
for example.
Towing now can begin under 
consideration of the following notes.

Accident risk!
Have the car towed away with a 

tow bar if the engine cannot be started.
If the engine cannot be started, there 
is no power assistance for the electric 
power steering system*. You will then 
need to use considerably more effort to 
steer and brake the car.
If you are tow
starting or towing away 
another car, its weight must not exceed 
the permissible gross vehicle weight 
of your car.

Helpful hints   10
35

Towing

>Towing notes!

 Only people with a certain amount of 

experience should tow.

 Ideally, you should have your car towed 

by a vehicle from a qualified 
specialist workshop, such as a smart 
center.

 Observe the national statutory 

regulations concerning the towing of 
vehicles.

 The maximum towing speed should not 

exceed 50 km/h (approx. 30 mph).

 The maximum towing distance should 

not exceed 50 km (approx. 30 miles).

 When towing the car it is preferable to 

use a tow bar. 

 The towing lugs on both vehicles 

involved in the towing process must be 
on the same side.

 The car should only be towed or tow 

another vehicle by means of the towing 
lug.

 The towed vehicle may not be heavier 

than the towing vehicle.

 The vehicle may not be hauled by its 

towing fittings.

 The towing fitting may be used for 

lashing down the vehicle.

10
36   Helpful hints   

Fire extinguisher*

Fire extinguisher*

The fire extinguisher is located in the 
front passenger footwell of your car. 

You should be aware of the following:

쮿

You should read the operating 
instructions before using the fire 
extinguisher to ensure that you can use 
it properly and safely at any given time.

쮿

Have your fire extinguisher regularly 
checked, i.e. every 2 years.

Note!
If you mount a fire extinguisher, you must 
use specially cut floor mats* in the 
footwell.

Danger of injury!
The fire extinguisher must 

always be locked firmly in place. Loose 
objects could cause serious injury if 
propelled around the passenger 
compartment when the brakes are 
applied.

>>Data transfer.

Now, to finish off, you should take another few minutes to go through your car's technical data and soak them in. 
Have fun in doing so.

Contents

>Information signs

>Model plate

>Technical data

>Homologation numbers

>Official homologation

11
2   Reference  

Information signs (example: left
hand drive version)

e

Information signs (example: left
hand drive 
version)

a smartmove Assistance (glove box)

b Airbag information signs (sun visor/roof rail)

c Model plate with vehicle ident. no. 

(B
post on passenger side)

d Refuelling sign (on inside of filler flap)

e Anti
theft wheel studs information sign

Danger of injury!
Various warning labels are attached to your 

vehicle. These labels are designed to make you and other 
persons aware of possible dangers. Therefore, do not 
remove any of the warning labels (unless otherwise 
stated). Removing warning labels can lead to you or other 
persons not recognising potential dangers and ultimately 
inflicting personal injury.

Reference 11
3

Model plate

Model plate

Vehicle identification number

The vehicle identification number is 
found on the floor plate and can be seen 
when the tailgate is opened and the floor 
carpet and engine cover are lifted.

11
4   Reference  

Technical data

Technical data

The technical data are valid for all 
standard equipped vehicles.
We recommend that you use original smart 
parts and accessories.

Engine specifications

Petrol engines

roadster/
roadster
coupé

roadster/
roadster
coupé

roadster/
roadster
coupé

BRABUS roadster/ 
BRABUS roadster

coupé

Rated output (kW)

45

60

74

74

At engine speed (rpm)

5250

5250

5600

5600

Nominal torque (Nm)

95

110

130

130

At engine speed (rpm)

2000
4000

2250
4500

2500
5300

2500
5300

Number of cylinders

3

3

3

3

Valves per cylinder

2

2

2

2

Spark plugs per cylinder

2

2

2

2

Total displacement (cm³)

698

698

698

698

Engine weight acc. to DIN 70020 A (kg)

60

60

60

60

Maximum climbing capacity at 
permissible gross vehicle weight

20%

20%

20%

20%

Reference 11
5

Technical data

Fuel consumption in 
accordance with EC Directive 1999/
100/EC

The following data were evaluated in 
accordance with the EC Directive (1999/
100/EC). All data are valid for basic 
version vehicles with catalytic 
converter.

In practice, fuel consumption may be 
higher than the values determined and 
cited in the EC guidelines (1999/100/EC), 
as in everyday use different operating 
conditions may prevail, such as individual 
driving styles, additional equipment, 
different road surfaces and weather 
conditions. The fuel consumption values 
given by the EC Directive (1999/100/EC) 
serve solely as a means of comparison in 

certain given conditions.
Any qualified specialist workshop such as 
a smart center will be able to provide 
further details.
Refer to the COC papers (EC
CERTIFICATE 
OF CONFORMITY) for the currently 
applicable fuel consumption ratings. 
These papers are handed to you at the 
point of vehicle delivery.

Fuel consumption in accordance 
with EC Directive 1999/100/EU

Petrol engines

45 kW

60 kW

74 kW

74 kW

roadster/

roadster
coupé

roadster

roadster

coupé

roadster

roadster

coupé

roadster

BRABUS 

roadster

coupé

BRABUS 

softip

softouch

softouch

softouch

Inner urban (ltrs./100 km)

6.2

6.3

6.4

6.4

6.4

6.4

6.4

Extra urban (ltrs./100 km)

4.2

4.3

4.3

4.5

4.5

4.5

4.5

Combined (ltrs./100 km)

4.9

5.1

5.1

5.2

5.2

5.2

5.2

Driving range (km)

714

686

686

673

673

673

673

Exhaust cleaning/emissions 
standard

EU4

EU4

EU4

EU4

EU4

EU4

EU4

CO2 emissions (g/km)

117

122

122

122

122

122

122

11
6   Reference  

Technical data

Acceleration/maximum speed

Petrol engines

45 kW

60 kW

74 kW

74 kW

roadster

roadster

coupé

roadster

roadster

coupé

roadster

roadster

coupé

roadster

BRABUS 

roadster

coupé

BRABUS 

Acceleration, flexibility in 5th gear

0 to 100 km/h (s)

15.5

15.5

10.9

10.9

9.8

9.8

9.8

9.8

Maximum speed (km/h)

160

165

175

180

190

195

190

195

Reference 11
7

Technical data

Wheels and tyres

>Notes on wheels and tyres!

 Use only wheels and tyres approved by 

smart gmbh. 
This way you ensure that your car will 
handle optimally, which in turn 
guarantees the driving safety of your 
vehicle.

 Change over to winter tyres at an early 

date, preferably in the autumn.

 The vehicle operating approval status 

is rendered null and void if other wheel/
tyre combinations are used.

 Replace worn tyres in good time.

Every qualified specialist workshop (e.g.  
a smart center) will be glad to provide you 
with details and information concerning 
the wheels and tyres recommended for 
your smart.

>Note!
Freedom of motion can only be guaranteed 
if the manufacturer's recommended 
wheels and tyres are used. Other wheel 
and tyre sizes may damage the braking 
system.

Wheels* and tyres*

roadster

roadster
coupé

Optional extra for 

both versions

roadster

BRABUS

1

roadster
coupé

BRABUS

2

Tyres, front

185/55 R15

205/50 R15

205/45 R16

205/40 ZR17

205/40 ZR17

Tyres, rear

185/55 R15

205/50 R15

205/45 R16

225/35 ZR17

225/35 ZR17

Wheels, front

5J x 15 ET24

6J x 15 ET24

6.5J x 16 ET24

7J x 17 ET20

7J x 17 ET20

Wheels, rear

6J x 15 ET
20

7J x 15 ET
15.5

7J x 16 ET
20

8J x 17 ET
15

8J x 17 ET
15

1 Also applies for the 74 kW roadster.
2 Also applies for the 74 kW roadster
coupé.

11
8   Reference  

Technical data

Snow chains*

Only original smart accessory snow 
chains (part no. 001 4816 V001) are 
approved for use on the smart.
Snow chains are only permitted on tyre 
size 185/55 R15.
Only fit snow chains on the rear tyres of 
your vehicle.

>Notes on the use of non
original smart 
snow chains
If other
make snow chains are used:

 the vehicle operating approval status 

is rendered null and void,

 the car could sustain damage,

 handling can be greatly impaired.

Accident risk!
When fitting or removing snow 

chains, always park your car on a level 
surface and switch the engine off. The 
vehicle could otherwise slide and 
injure yourself or other road users.

Accident risk!
When fitting and removing snow 

chains, ensure that you and your 
vehicle are at a safe distance from 
moving traffic. Not doing so could 
endanger other road users or even lead 
to you being injured by the vehicles 
behind you.

Accident risk!
The car's handling changes when 

driving with snow chains on any kind of 
road surface. Always adapt your driving 
style and speed to the weather, road and 
traffic conditions, to reduce the risk 
of accidents.

Accident risk!
Do not forget to retighten the 

snow chains. Otherwise they may work 
their way loose from the tyres.

Accident risk!
Only use original smart snow 

chains. Otherwise there is an accident 
risk!