2014 MERCEDES-BENZ SL-Class start stop button

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 155).
The engine starts. Pulling away
Automatic transmission G
WARNING
If the engine speed is above the idling speed
and you engage transmission position Dor
R, the vehicle could pull away suddenly. There
is a risk of an accident.
When engaging transmission position Dor R,
always firmly depress the brake pedal and do
not simultaneously accelerate.
i It is only possible to shift the transmission
from position Pto the desired position if
you depress the brake pedal. Only then is
the shift lock released.
X Depress the brake pedal and keep it
depressed.
X Shift the transmission to position Dor R.
X Release the electric parking brake
(Y page 176).
X Release the brake pedal.
X Carefully depress the accelerator pedal.
! If a warning tone sounds and the
Release Park. Brake Release Park. Brake message appears
in the multifunction display, the parking
brake is still applied. Release the parking
brake. i
The vehicle locks centrally once you have
pulled away. The locking knobs in the doors
drop down.
You can open the doors from the inside at
any time.
You can also deactivate the automatic
locking feature (Y page 239).
i Upshifts take place at higher engine
speeds after a cold start. This helps the
catalytic converter to reach its operating
temperature more quickly.
Hill start assist Hill start assist helps you when pulling away
forwards or in reverse on an uphill gradient.
It holds the vehicle for a short time after you
have removed your foot from the brake pedal.
This gives you enough time to move your foot
from the brake pedal to the accelerator pedal
and to depress it before the vehicle begins to
roll.
G
WARNING
After a short time, hill start assist will no
longer brake your vehicle and it could roll
away. There is a risk of an accident and injury.
Therefore, quickly move your foot from the
brake pedal to the accelerator pedal. Never
leave the vehicle when it is held by hill start
assist.
X Remove your foot from the brake pedal.
The vehicle is then held for about a second.
X Pull away.
Hill start assist is not active if:
R you are pulling away on a level road or on
a downhill gradient.
R the transmission is in position N.
R the parking brake is applied.
R ESP ®
is malfunctioning. 158
DrivingDriving and parking

ECO start/stop function
Introduction The ECO start/stop function switches the
engine off automatically if the vehicle is
stopped under certain conditions.
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.
Important safety notes G
WARNING
If the engine is switched off automatically and
you exit the vehicle, the engine is restarted
automatically. The vehicle may begin moving.
There is a risk of accident and injury.
If you wish to exit the vehicle, always turn off
the ignition and secure the vehicle against
rolling away.
General notes 0043
ECO start/stop display
If the 00A7 symbol is shown in green in the
multifunction display, the ECO start/stop
function switches the engine off
automatically if the vehicle stops moving.
Every time you switch on the engine using the
SmartKey or the Start/Stop button, the ECO
start/stop function is activated.
If the ECO start/stop function has been
manually deactivated (Y page 160) or a
malfunction has caused the system to be
deactivated, the 00A7symbol is not
displayed. AMG vehicles:
the ECO start/stop function
is only available in drive program C.
i AMG vehicles: if automatic cylinder shut-
off is active in drive program C, the number
of active cylinders 4is also shown in the
00A7 symbol. This means that the engine
is operating with four cylinders.
If cylinder shut-off is not active, the engine
will operate with all eight cylinders. In this
case, the number of active cylinders 8is
shown in the 00A7symbol.
For further information on automatic engine
switch-off (Y page 159) and automatic
engine start (Y page 160).
Automatic engine switch-off If the vehicle is braked to a standstill in
Dor
N, the ECO start/stop function switches off
the engine automatically.
The ECO start/stop function is operational
and the 00A7symbol is displayed in green in
the multifunction display, if:
R the indicator lamp in the ECO button is lit
green.
R the outside temperature is within the
comfort range.
R the engine is at normal operating
temperature.
R the set temperature for the vehicle interior
has been reached.
R the battery is sufficiently charged.
R the system detects that the windshield is
not fogged up when the air-conditioning
system is switched on.
R the hood is closed.
R the driver's door is closed and the driver's
seat belt is fastened.
If conditions for automatic engine switch-off
have not been fulfilled, the 00A7symbol will
be shown in yellow.
i All of the vehicle's systems remain active
when the engine has been stopped
automatically. Driving
159Driving and parking Z

i
All vehicles (apart from AMG
vehicles): automatic engine switch-off can
take place a maximum of four times
consecutively (initial stop then repeated
three times). The 00A7symbol is shown in
yellow in the multifunction display after the
engine has been started automatically for
the fourth time. When the 00A7symbol is
shown in green in the multifunction display,
automatic engine switch-off is again
possible.
i AMG vehicles: times which the engine
can be automatically switched off.
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.
Automatic engine start The engine starts automatically if:
R
you switch off the ECO start/stop function
by pressing the ECO button.
R in transmission position Dor Nthe brake
pedal is released and the HOLD function is
not active.
R you depress the accelerator pedal.
R you engage reverse gear R.
R you move the transmission out of position
P.
R you switch to drive program S, S+orM
(AMG vehicles).
R you unfasten your seat belt or open the
driver's door.
R the vehicle starts to roll.
R the brake system requires this.
R the temperature in the vehicle interior
deviates from the set range. R
the system detects moisture on the
windshield when the air-conditioning
system is switched on.
R the charge level of the battery is too low.
i Shifting the transmission to position P
does not start the engine.
i If you shift the transmission from Rto D,
the ECO start/stop function is available
again once the 00A7symbol reappears in
green in the multifunction display.
Deactivating/activating the ECO start/
stop function ECO button
Deactivating (except for AMG vehicles)
X
Press button 0043.
Indicator lamp 0044and the 00A7symbol in
the multifunction display go out.
Activating (except for AMG vehicles)
X Press button 0043.
Indicator lamp 0044lights up. If all conditions
for automatic engine switch-off
(Y page 159) are fulfilled, the 00A7symbol
is shown in green in the multifunction
display.
If not all conditions for automatic engine
switch-off (Y page 159) are fulfilled, the
00A7 symbol is shown in yellow in the
multifunction display. If this is the case, the
ECO start/stop function is not available.
i If indicator lamp 0044is off, the ECO start/
stop function has been deactivated 160
DrivingDriving and pa
rking

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 0043in drive program C.
or
X Switch to drive program S,S+ orM
(Y page 167).
Indicator lamp 0044and the 00A7symbol in
the multifunction display go out.
Activating (AMG vehicles)
X Press button 0043.
Indicator lamp 0044lights up.
If drive program S, S+orMis active, the
automatic transmission switches to drive
program C.
If all conditions for automatic engine
switch-off (Y page 159) are fulfilled, the
00A7 symbol is shown in green in the
multifunction display.
If not all conditions for automatic engine
switch-off (Y page 159) are fulfilled, the
00A7 symbol is shown in yellow in the
multifunction display. If this is the case, the
ECO start/stop function is not available.
i If indicator lamp 0044is 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. Driving
161Driving and parking Z

Problems with the engine
Problem Possible causes/consequences and
0050
0050Solutions The engine does not
start. The HOLD function is activated.
X
Deactivate the HOLD function (Y page 195).
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 0in 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 157). 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 565).
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.
Otherwise, non-combusted fuel may get into the catalytic
converter and damage it.
X Have the cause rectified immediately at a qualified specialist
workshop. 162
DrivingDriving and parking

005C
Neutral
005B Drive
When you select a transmission position, the
selector lever subsequently returns to its
original position.
The current transmission position P,R, Nor
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 Pbutton in the center console.
i Park position Pis disengaged if you:
R depress the brake pedal and
R push the selector lever forwards or back
to the first point of resistance.
The transmission shifts to neutral N.
Park position Pis 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 Dor
R
R when HOLD (Y page 195) or DISTRONIC
PLUS (Y page 186) 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 160).
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 Nand the brake pedal continues
to be depressed, the ECO start/stop
function switches the engine off
automatically (Y page 159).
Remaining in neutral N G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shifting the automatic transmission out of
park position P
R Start the engine.
There is a risk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children. 164
Automatic transmissionDriving and parking

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 engaged,
release it.
R Switch off the ignition and leave the
SmartKey in the ignition lock.
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 engaged,
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(Ypage 159 )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 0043
Transmission position: currently selected
transmission position will be highlighted
0044 Drive program (E/S/M)
In addition to drive program 0044being 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 0043
Transmission position
0044 Gear
0087 Drive program (E/S)
When you have selected drive program Eor
S, the transmission position is displayed in
position 0043. The selected gear is displayed in
position 0044. Automatic transmission
165Driving and parking Z

!
Always secure the vehicle correctly
against rolling away. Otherwise, the vehicle
or its drivetrain could be damaged.
To ensure that the vehicle is secured against
rolling away unintentionally:
R the electric parking brake must be applied.
R the transmission must be in position Pand
the SmartKey must be removed from the
ignition lock.
R on steep uphill or downhill gradients, turn
the front wheels towards the curb. Switching off the engine
Important safety notes G
WARNING
The automatic transmission switches to
neutral position Nwhen you switch off the
engine. The vehicle may roll away. There is a
risk of an accident.
After switching off the engine, always switch
to parking position P. Prevent the parked
vehicle from rolling away by applying the
parking brake.
Vehicles with automatic transmission X
Vehicles with a SmartKey: move the
transmission to position P.
X Turn the SmartKey to position 0in the
ignition lock and remove it.
The immobilizer is activated.
X Vehicles with KEYLESS-GO: press the
Start/Stop button (Y page 155).
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(Ypage 155).
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 about three
seconds. This function operates
independently of the ECO start/stop
automatic engine switch-off function. Electric parking brake
General notes G
WARNING
If you leave children unsupervised in the
vehicle, they could set it in motion by, for
example:
R releasing the parking brake
R shifting the automatic transmission out of
the parking position P
R starting the engine.
They could also operate the vehicle's
equipment. There is a risk of an accident and
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
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 176
ParkingDriving and parking