2013 MERCEDES-BENZ SL-CLASS ROADSTER start stop button

Removing the Start/Stop button
You can remove the Start/Stop button from
the ignition lock and start the vehicle as
normal using the SmartKey.
X
Remove Start/Stop button : from ignition
lock ;.
i You do

not have to remove the Start/Stop
button from the ignition lock when you
leave the vehicle. Starting the engine
Important safety notes G
WARNING
Inhalation of exhaust gas is hazardous to your
health. All exhaust gas contains carbon
monoxide (CO), and inhaling it can cause
unconsciousness and possible death.
Do not

run the engine in confined areas (such
as a garage) which are not properly ventilated.
If you think that exhaust gas fumes are
entering the vehicle while driving, have the
cause determined and corrected
immediately. If you must drive under these
conditions, drive only with at least one
window fully open at all times.
! Do not depress the accelerator pedal
when starting the engine.
i The catalytic converter is preheated for
up to 30seconds after a cold start. During
this time, the engine sound may be
different. Starting procedure with the SmartKey X
Depress the brake pedal and keep it
depressed.
X Shift the transmission to position P.
The transmission position display in the
multifunction display shows P.
i You can also start the engine when the
transmission is in position N.
X Turn the SmartKey to position 3 in the
ignition lock

(Y page 135) and release it as
soon as the engine is running.
Using KEYLESS-GO to start the engine G
WARNING
As long as the SmartKey is in your vehicle, the
vehicle can

be started. Therefore, never leave
children unattended in the vehicle, as they
could otherwise accidentally start the engine.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Do
not leave children unattended in the vehicle,
or with access to an unlocked vehicle. A
child's unsupervised access to a vehicle could
result in an accident and/or serious personal
injury.
i The Start/Stop button can be used to
start the vehicle without inserting the
SmartKey into the ignition lock. The Start/
Stop button must be inserted into the
ignition lock and the SmartKey must be in
the vehicle.
X Depress the brake pedal and keep it
depressed.
X Shift the transmission to position P.
The transmission position display in the
multifunction display shows P.
i You can also start the engine when the
transmission is in position N.
X Press the Start/Stop button once
(Y page 135).
The engine starts. Driving
137
Driving and parking Z

!
Always switch
the ignition off and take the
key with you when leaving the vehicle.
General notes ECO start/stop display
AMG vehicles:
the ECO start/stop function
is only available in drive program C.
The ECO start/stop function switches the
engine off automatically when the vehicle
stops moving.
The engine starts automatically when the
driver wants to pull away again. The ECO
start/stop function thereby helps you to
reduce the fuel consumption and emissions
of your vehicle.
Every time

you switch on the engine using the
SmartKey or the Start/Stop button, the ECO
start/stop function is activated. The system
is operational when ECO symbol : is shown
in green in the multifunction display.
AMG vehicles: the AMG menu in the
multifunction display additionally shows the
Stop/Start Active message.
Deactivating/activating the ECO start/
stop function ECO button Deactivating (except for AMG vehicles)
X
Press button :.
Indicator lamp ; and the ¤ symbol in
the multifunction display go out.
Activating (except for AMG vehicles)
X Press button :.
Indicator lamp ; lights up and the ¤
symbol is shown in green in the
multifunction display.
If not all conditions are fulfilled, the ¤
symbol is shown in yellow in the
multifunction display.

If this is the case, the
ECO start/stop function is not available.
If indicator lamp ; is
off, the ECO start/stop
function has been deactivated manually or as
the result of a malfunction. The engine will
then not be switched off automatically when
the vehicle stops. ECO button in AMG vehicles
Deactivating (AMG vehicles)
X
Press button : in drive program C.
or
X Switch to one of the drive programs S, S+
or M(Y page 147).
Indicator lamp ; on button : and the
¤ symbol

in the multifunction display go
out.
The Stop/Start Active or Stop/Start
Inactive message in the AMG menu in the
multifunction display goes out. Driving
139
Driving and parking Z

Activating (AMG vehicles)
X
Press button :.
If one of the drive programs S, S+ or M is
active, the automatic transmission
switches to drive program C.
Indicator lamp ; lights up and the ¤
symbol is shown in green in the
multifunction display. The Stop/Start
Active message is shown in the AMG
menu in the multifunction display.
If not all conditions are fulfilled, the ¤
symbol is shown in yellow in the
multifunction display.
If this is the case, the
ECO start/stop function is not available.
The Stop/Start Inactive message is
shown in the AMG menu in the
multifunction display.
Automatic engine switch-off If the vehicle is braked to a standstill in
D or
N, the ECO start/stop function switches off
the engine automatically.
The engine is only switched off if:
R the vehicle is stationary.
R the outside

temperature is within the range
which is suitable for the system.
R the engine is at normal operating
temperature.
R the battery is sufficiently charged.
R the system detects that the windshield is
not fogged up when automatic climate
control is switched on.
R the hood is closed.
R the driver's door is closed and the driver's
side belt buckle is engaged.
i If not all conditions are fulfilled, the
¤ symbol is shown in yellow in the
multifunction display.
i The HOLD function can be activated if the
engine has been switched off
automatically. It is then not necessary to
continue applying the brakes during the
automatic stop phase. When you depress the accelerator pedal, the engine starts
automatically
and

the braking effect of the
HOLD function is deactivated. Depress the
accelerator pedal carefully, as the engine
must be started first.
If you shift the transmission from R to D, the
ECO start/stop function is available again
once the ¤ symbol reappears in green in
the multifunction display.
The engine can be switched off automatically
a maximum of four times (first stop and three
subsequent stops, except AMG vehicles) in
succession. The ¤ symbol is shown in
yellow in the multifunction display after the
engine has been started automatically for the
fourth time. The engine can only be switched
off automatically again when the ¤
symbol is shown in green in the multifunction
display.
AMG vehicles: times which the engine can
be automatically switched off is unlimited.
Automatic engine start The engine starts automatically if:
R
you switch

off the ECO start/stop function
by pressing the ECO button.
R you switch to one of the drive programs S,
S+ or M (AMG vehicles).
R the vehicle starts to roll.
R the brake system requires this.
R the system detects that the windshield is
fogged up when automatic climate control
is switched on.
R the condition of charge of the battery is too
low.
R the driver's seat belt is removed or the
driver's door is opened.
R you shift out of P.
R in transmission position D or N the brake
pedal is released and the HOLD function is
not active.
R you engage reverse gear R.
R you depress the accelerator pedal.140
DrivingDriving and parking

Problems with the engine
Problem Possible causes/consequences and
M Solutions
The engine does not
start. The HOLD function is activated.
X
Deactivate the HOLD function (Y page 175).
X Try to start the engine again. The engine does not
start.
The

starter motor
can be heard. R
There is a malfunction in the engine electronics.
R There is a malfunction in the fuel supply.
X Turn
the SmartKey back to position
0
in
the ignition lock before
attempting to start the engine again.
or
X Press the Start/Stop button repeatedly until all indicator lamps
in the instrument cluster go out.
X Try to start the engine again (Y page 137). Avoid excessively
long and

frequent attempts to start the engine, as this will drain
the battery.
If the engine does not start after several attempts:
X Consult a qualified specialist workshop. The engine does not
start. You cannot hear
the starter motor. The on-board voltage is too low because the battery is too weak
or discharged.
X
Jump-start the vehicle (
Y page 516).
If the engine does not start despite attempts to jump-start it:
X Consult a qualified specialist workshop. The starter motor was exposed to a thermal load that was too high.
X Allow the starter motor to cool down for approximately two
minutes.
X Try to start the engine again.
If the engine still does not start:
X Consult a qualified specialist workshop. The engine is not
running smoothly and
is misfiring. There is a malfunction in the engine electronics or in a mechanical
component of the engine management system.
X Only depress the accelerator pedal slightly.
X Have the cause rectified immediately at a qualified specialist
workshop.
Otherwise, non-combusted fuel may get into the catalytic
converter and damage it.142
Driving
Driving and parking

i
Neutral
h Drive
When you select a transmission position, the
selector lever subsequently returns to its
original position.
The current transmission position P, R, N or
D appears in the transmission position
display in the multifunction display.
Engaging park position P X
When the vehicle is stationary, depress the
brake pedal.
X Press the P button in the center console.
i If you depress the brake pedal and push
the selector lever forwards or back to the
first point of resistance, park position P is
disengaged. The transmission shifts to
neutral N.
Park position P
is engaged automatically and
the electric parking brake applied:
R if you remove the SmartKey from the
ignition lock
R if you switch off the engine using the Start/
Stop button and open the driver's or front-
passenger door
R if you open the driver's door while traveling
at low speed in transmission position D or
R
R when HOLD ( Y page 175) or DISTRONIC
PLUS (Y page 164) brakes your vehicle
until it is stationary and at least one of the
following conditions is fulfilled:
- the engine is switched off.
- the driver's door is open and the seat belt
is not fastened.
- there is a system malfunction.
- the power supply is insufficient.
Engaging reverse gear R !
Only shift the automatic transmission to
R when the vehicle is stationary. X
When the vehicle is stationary, depress the
brake pedal.
X Push the selector lever forwards past the
first point of resistance.
i When reverse gear is engaged and the
ECO start/stop

function is switched on, the
engine starts up automatically
(Y page 138).
Shifting to neutral N X
When the vehicle is stationary, depress the
brake pedal.
X Push the selector lever forwards or back to
the first point of resistance.
i If the

vehicle is braked to a standstill when
in neutral N and the brake pedal continues
to be depressed, the ECO start/stop
function switches the engine off
automatically ( Y page 138).
Remaining in neutral N G
WARNING
When leaving the SmartKey in the starter
switch, do not leave children unattended in
the vehicle.

It is possible for children to switch
on the ignition which could result in
unsupervised use of vehicle equipment.
Unsupervised use of vehicle equipment could
result in an accident and/or serious personal
injury.
Using the SmartKey:
R make sure that the ignition is switched on.
R when the vehicle is stationary, depress the
brake pedal and keep it depressed.
R shift to neutral N.
R release the brake pedal.
R if the electric parking brake is applied,
release it.
R switch off the ignition and leave the
SmartKey in the ignition lock.144
Automatic transmissionDriving and parking

Using KEYLESS-GO:
R
make sure
that the ignition is switched on.
R when the vehicle is stationary, depress the
brake pedal and keep it depressed.
R engage park position P.
R release the brake pedal.
R remove the Start/Stop button from the
ignition lock.
R insert the SmartKey into the ignition lock.
R switch on the ignition.
R depress the brake pedal and keep it
depressed.
R shift to neutral N.
R release the brake pedal.
R if the electric parking brake is applied,
release it.
R switch off the ignition and leave the
SmartKey in the ignition lock.
Shifting to transmission position D X
When the vehicle is stationary, depress the
brake pedal.
X Push the selector lever back past the first
point of resistance.
i If the
vehicle is braked to a standstill when
in transmission position D(Y page 138) and
the brake pedal continues to be depressed,
the ECO start/stop function switches the
engine off automatically. Transmission position and drive
program display
Display in transmission positions P, R
and N :
Transmission position: currently selected
transmission position will be highlighted
; Drive program (E/S/M)
In addition to drive program ; being shown
in the multifunction display, the currently
selected drive program is indicated in red on
the program selector button.
Display when in transmission position
D :
Transmission position
; Gear
= Drive program (E/S)
If you have restricted the shift range, the
selected shift range and gear, e.g. D4, are
shown at position :. Automatic transmission
145
Driving and parking Z

Problems with fuel and the fuel tank
Problem Possible causes/consequences and
M Solutions
Fuel is leaking from the
vehicle. G
Risk of explosion or fire
The fuel line or the fuel tank is faulty.
X Turn the SmartKey to position
0
in
the ignition lock immediately
and remove it (Y page 135).
X Do not restart the engine under any circumstances.
X Consult a qualified specialist workshop. The fuel filler flap
cannot be opened. The fuel filler flap is not unlocked.
or
The SmartKey battery is discharged.
X
Unlock the vehicle (
Y page 68).
or
X Unlock the vehicle using the mechanical key ( Y page 70).The fuel filler flap is unlocked, but the opening mechanism is
jammed.
X
Consult a qualified specialist workshop. Parking
Important safety notes
G
WARNING
Do not park this vehicle in areas where
combustible materials

can come into contact
with the hot exhaust system. Do not park the
vehicle on dry grassland or harvested grain
fields. Combustible materials, such as grass,
hay or leaves could be ignited by the hot
exhaust system and cause a vehicle fire.
Unintended vehicle movement can cause
serious personal injury or damage to the
vehicle or the vehicle drivetrain. To reduce
such risks, always do the following before
turning off the engine and leaving the vehicle:
R keep your right foot on the brake pedal.
R engage the parking brake.
R shift the automatic transmission to park
position P.
R slowly release the brake pedal. R
when parked

on an incline, always turn the
front wheels towards the road curb.
R turn the SmartKey in the ignition lock to
position 0 and remove the SmartKey from
the ignition lock, or press the KEYLESS-GO
Start/Stop button.
R take the SmartKey with you and lock the
vehicle when leaving. Switching off the engine
Important safety notes G
WARNING
Do not turn off the engine before the vehicle
has come

to a complete stop. With the engine
not running, there is no power assistance for
the brake and steering systems. In this case,
it is important to keep in mind that a
considerably higher degree of effort is
necessary to brake and steer the vehicle. 154
Parking
Driving and parking

Vehicles with automatic transmission
X
Vehicles with a SmartKey: move the
transmission to position P.
X Turn the SmartKey to position 0 in the
ignition lock and remove it.
The immobilizer is activated.
X Vehicles with KEYLESS-GO: press the
Start/Stop button (
Y page 135).
The engine stops and all the indicator
lamps in the instrument cluster go out.
When the driver's door is closed, this
corresponds to key position 1. When the
driver's door is open, this corresponds to
key position 0(Y page 135).
If you try to switch off the engine when the
transmission is not in position P, a message
appears in

the multifunction display. A signal
sounds.
i The engine can be turned off while the
vehicle is in motion by pressing and holding
the Start/Stop button for three seconds.
This function operates independently from
the ECO start/stop automatic engine
switch-off function. Electric parking brake
General notes G
WARNING
When leaving the vehicle, always remove the
SmartKey from

the starter switch, take it with
you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Children could
release the parking brake and/or shift the
automatic transmission out of park position
P, either of which could result in an accident
and/or serious personal injury.
i The electric parking brake performs a
function test at regular intervals while the
engine is switched off. The sounds that can
be heard while this is occurring are normal. Engaging and releasing manually
X
To engage: push handle :.
The red F (USA only) or ! (Canada
only) indicator lamp in the instrument
cluster lights up.
i The electric parking brake can also be
applied when the SmartKey is removed.
X To release: switch on the ignition.
X Pull handle :.
The red F (USA only) or ! (Canada
only) indicator lamp in the instrument
cluster goes out.
i The electric parking brake can only be
released:
R if the SmartKey is in position 1 in the
ignition lock or
R if the ignition was switched on using the
Start/Stop button.
Applying automatically The electric parking brake is applied
automatically:
R
if DISTRONIC PLUS brings the vehicle to a
standstill or
R if the
HOLD function is keeping the vehicle
stationary
In addition, at least one of the following
conditions must be fulfilled: Parking
155
Driving and parking Z