Button MERCEDES-BENZ CLS-Class 2015 W218 Repair Manual

and to depress it before the vehicle begins to
roll. G
WARNING
After a short time, hill start assist will no lon-
ger 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.
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. ECO start/stop function
Introduction The ECO start/stop function switches the
engine off automatically if the vehicle is stop-
ped 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 :
ECO start/stop display
The ECO start/stop function is activated
whenever you start the engine using the key
or the Start/Stop button.
If the engine has been switched off automat-
ically by the ECO start/stop function, the
¤ symbol is shown in the multifunction
display.
AMG vehicles: in addition, theStop/Start Stop/Start
active
active message is shown in the AMG menu
in the multifunction display.
AMG vehicles: the ECO start/stop function
is only available in drive program C.
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
when:
R the indicator lamp in the ECO button is lit
green.
R the outside temperature is within the range
that is suitable for the system.
R the engine is at normal operating temper-
ature.
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. Driving
153Driving and parking Z

i
All of the vehicle's systems remain active
when the engine is stopped automatically.
i The HOLD function can also be activated
if the engine has been switched off auto-
matically. It is then not necessary to con-
tinue applying the brakes during the auto-
matic stop phase. When you depress the
accelerator pedal, the engine starts auto-
matically and the braking effect of the
HOLD function is deactivated.
i All vehicles (apart from AMG vehicles):
automatic engine switch-off can take place
a maximum of four times consecutively (ini-
tial stop then repeated three times).
i AMG vehicles:
times which the engine
can be automatically switched off.
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 devi-
ates from the set range
R the system detects moisture on the wind-
shield when the air-conditioning system is
switched on
R the battery's condition of charge is too low
i Shifting the transmission to position
P
does not start the engine. Deactivating or activating the ECO
start/stop function All vehicles (except AMG vehicles)
X
To deactivate: press ECO button :.
Indicator lamp ;goes out.
X To activate: press ECO button :.
Indicator lamp ;lights up.
If the indicator lamp on the ECO button is off, the ECO start/stop function has been deac-
tivated manually or as the result of a mal-
function.
AMG vehicles X
To deactivate: in drive program C, press
ECO button :.
or X Switch to drive program S,S+ orM
(Y page 163).
Indicator lamp ;goes out.
X To activate: press ECO button :.
Indicator lamp ;lights up. 154
DrivingDriving an
d parking

If drive program
S,S+ orMis active, the
automatic transmission switches to drive
program C.
If the indicator lamp on the ECO button is off, the ECO start/stop function has been deac-
tivated manually or as the result of a mal-
function. Driving
155Driving and parking Z

Problems with the engine
Problem
Possible causes/consequences and
M
MSolutions 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.
Before attempting to start the engine again:
X Turn the key back to position 0in the ignition lock.
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 151). Avoid excessively
long and frequent attempts to start the engine as these 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 335).
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. 156
DrivingDriving and parking

:
Transmission position display
; Drive program display
Engaging park position P !
If the engine speed is too high or the vehi-
cle is moving, do not shift the automatic
transmission directly from Dto R, from Rto
D or directly to P. The automatic transmis-
sion could otherwise be damaged. j
Park position with parking lock
k Reverse gear
i Neutral
h Drive
X Push the DIRECT SELECT lever in the direc-
tion of arrow P.
Transmission position display Pis shown in
the multifunction display.
Depressing the brake and pushing the
DIRECT SELECT lever up or down disengages the parking lock. The transmission is in N
neutral.
In order to shift from park position Pdirectly
into Ror D:
R depress the brake pedal and
R push the DIRECT SELECT lever up or down
past the first point of resistance Engaging park position P automatically Park position
Pis automatically engaged if:
R you switch off the engine using the Smart-
Key and remove the SmartKey
R you switch off the engine using the Smart-
Key or using the Start/Stop button and
open the driver's door or front-passenger
door
R the driver's door is opened when the vehi-
cle is stationary or driving at very low speed
and the transmission is in position Dor R
Under certain conditions, the automatic
transmission shifts automatically to transmis-
sion position Pif the HOLD function or
DISTRONIC PLUS is activated. Observe the
information on the HOLD function
(Y page 192) and on DISTRONIC PLUS
(Y page 185).
Engaging reverse gear R !
Only shift the automatic transmission to
R
when the vehicle is stationary.
X If the transmission is in position Dor N:
push the DIRECT SELECT lever up past the first point of resistance.
X If the transmission is in position P: depress
the brake pedal and push the DIRECT
SELECT lever up past the first point of
resistance.
The ECO start/stop function is not available
when reverse gear is engaged. Further infor-
mation on the ECO start/stop function
(Y page 153).
Shifting to 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. Automatic transmission
159Driving and parking
Z

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.
X If the transmission is in position Dor R:
push the DIRECT SELECT lever up or down to the first point of resistance.
X If the transmission is in position P: depress
the brake pedal and push the DIRECT
SELECT lever up or down to the first point of
resistance.
If you switch the engine off with the trans-
mission in position Ror D, the automatic
transmission shifts to Nautomatically.
With the SmartKey: if you then open the
driver's door or the front-passenger door or
remove the SmartKey from the ignition, the
automatic transmission shifts to Pautomati-
cally.
With KEYLESS-GO: if you then open the driv-
er's or front-passenger door, the automatic
transmission shifts to P.
If you want the automatic transmission to
remain in neutral N, e.g. when having the
vehicle cleaned in an automatic car wash with a towing system:
Using the SmartKey:
X Switch on the ignition.
X Depress the brake pedal and keep it
depressed.
X Shift to neutral N.
X Release the brake pedal. X
Release the parking brake.
X Switch off the ignition and leave the Smart-
Key in the ignition lock.
Using KEYLESS-GO: X Remove the Start/Stop button from the
ignition lock.
X Insert the SmartKey into the ignition lock.
X Switch on the ignition.
X Depress the brake pedal and keep it
depressed.
X Shift to neutral N.
X Release the brake pedal.
X Release the parking brake.
X Switch off the ignition and leave the Smart-
Key in the ignition lock.
Engaging drive position D X
If the transmission is in position Ror N:
push the DIRECT SELECT lever down past
the first point of resistance.
X If the transmission is in position P: depress
the brake pedal and push the DIRECT
SELECT lever down past the first point of
resistance. 160
Automatic transmissionDriving an
d parking

Transmission positions
B Park position
Only shift the transmission into
position
Pwhen the vehicle is sta-
tionary (Y page 172). The parking
lock should not be used as a brake when parking. Always apply the
parking brake in addition to the
parking lock in order to secure the
vehicle.
If the vehicle electronics are mal-
functioning, the transmission may
be locked in position P. Have the
vehicle electronics checked imme-
diately at a qualified specialist
workshop.
Park position Pis automatically
engaged if:
R you switch off the engine using
the SmartKey and remove the
SmartKey
R you switch off the engine using
the SmartKey or using the Start/
Stop button and open the driv-
er's door or front-passenger
door
R the driver's door is opened when
the vehicle is stationary or driv-
ing at very low speed and the
transmission is in position Dor R C Reverse gear
Only shift the transmission into
position
Rwhen the vehicle is sta-
tionary. A Neutral
Do not shift the transmission to
N
while driving. Otherwise, the auto-
matic transmission could be dam-
aged.
No power is transmitted from the
engine to the drive wheels.
Releasing the brakes will allow you
to move the vehicle freely, e.g. to
push it or tow it.
If ESP ®
is deactivated or faulty:
shift the transmission only to posi-
tion Nif the vehicle is in danger of
skidding, e.g. on icy roads.
If you switch the engine off with the transmission in position Ror D, the
automatic transmission shifts to N
automatically.
! Rolling in neutral
Ncan damage
the drive train. 7 Drive
The automatic transmission
changes gear automatically. All
forward gears are available.
Driving tips
Changing gear The automatic transmission shifts to the indi-
vidual gears automatically when it is in trans-
mission position D. This automatic gear shift-
ing behavior is determined by:
R the selected drive program (Y page 162)
R the position of the accelerator pedal
(Y page 161)
R the road speed
Accelerator pedal position Your style of driving influences how the auto-
matic transmission shifts gear:
R little throttle: early upshifts
R more throttle: late upshifts Automatic transmission
161Driving and parking Z

AMG vehicles
When shifting down, the double-clutch func-
tion is active regardless of the currently selec- ted drive program. The double-clutch functionreduces load change reactions and is condu-cive to a sporty driving style. The sound gen-
erated by the double-clutch function depends
on the drive program selected.
Kickdown Use kickdown for maximum acceleration:
X Depress the accelerator pedal beyond the
pressure point.
The automatic transmission shifts to a
lower gear depending on the engine speed.
X Ease off the accelerator pedal once the
desired speed is reached.
The automatic transmission shifts back up.
Rocking the vehicle free Rocking the vehicle free by shifting back and
forth between transmission positions Dand R
can help to free a vehicle that has become
stuck in mud or snow. The vehicle's engine
management restricts switching between
transmission positions Dand Rto speeds up
to a maximum of 5 mph (9 km/h). To shift
back and forth between transmission posi-
tions Dand R, move the DIRECT SELECT lever
up and down past the point of resistance. Program selector button
General notes All vehicles (except AMG vehicles and vehicles with
the Sports package AMG)
X Press program selector button :repeat-
edly until the letter for the desired drive
program appears in the multifunction dis-
play. Vehicles with the AMG Sports package
X Press program selector button :repeat-
edly until the letter for the desired drive
program appears in the multifunction dis-
play.
The program selector button allows you to
choose between different driving character-
istics.
i Further information about permanent
drive program M(Y page 165).
As well as this permanent drive program M,
you can also activate temporary drive pro-
gram M(Y page 164). 162
Automatic trans
missionDriving and parking

Shift recommendation
The gearshift recommendations assist you in
adopting an economical driving style. The rec- ommended gear is shown in the multifunction
display.
X Shift to recommended gear ;according
to gearshift recommendation :when
shown in the multifunction display of the
instrument cluster.
Deactivating
If you have activated manual drive program
M, it will remain active for a certain amount of time. Under certain conditions the minimum
amount of time is extended, e.g. in the case oflateral acceleration, during an overrun phase
or when driving on steep terrain.
If manual drive program Mhas been deacti-
vated, the automatic transmission shifts into
the automatic drive program that was last
selected, i.e. Eor S.
You can also deactivate manual drive pro-
gram Myourself:
X Pull on the right-hand steering wheel pad-
dle shifter and hold it in place (Y page 163).
or X Use the DIRECT SELECT lever to switch the
transmission position (Y page 158).
or
X Use the program selector button to change
the drive program (Y page 162).
Manual drive program Mis deactivated.
The automatic transmission switches into
the automatic drive program that was last
selected, i.e. Eor S. Manual drive program (AMG vehicles
and vehicles with Sports package
AMG)
General information In this drive program, you can permanently
change gear yourself by using the steering
wheel paddle shifters. The transmission must
be in position D.
i As well as this permanent drive program
M, you can also activate temporary drive
program M(Y page 164).
Switching on the manual drive program X
Press the program selector button
(Y page 162) repeatedly until Mappears in
the multifunction display.
X AMG vehicles: turn the drive program
selector (Y page 163) until Mappears in the
multifunction display.
The indicator Mon the drive program selec-
tor lights up in red.
Manual drive program Mis different from
drive programs Sand S+with regard to spon-
taneity, responsiveness and smoothness of
gear changes.
Manual drive program Mcan be selected
using the drive program selector. In manual
drive program M, you can change gear using
the steering wheel paddle shifters if the trans-
mission is in position D. The gear currently
selected and engaged is shown in the multi-
function display.
Upshifting X
Pull the right-hand steering wheel paddle
shifter.
The automatic transmission shifts up to the
next gear.
AMG vehicles !
In manual drive program
M, the automatic
transmission does not shift up automati- Automatic transmission
165Driving and parking Z

cally even when the engine limiting speed
for the current gear is reached. When the
engine limiting speed is reached, the fuel
supply is cut to prevent the engine from
overrevving. Always make sure that the
engine speed does not reach the red area of
the tachometer. There is otherwise a risk of engine damage. :
Gear indicator
; Upshift indicator
Before the engine speed reaches the red area, an upshift indicator will be shown in the mul-
tifunction display.
X When the UP
UP message appears in the mul-
tifunction display, pull on the right-hand
steering wheel paddle shifter.
Shift recommendation The gearshift recommendations assist you in
adopting an economical driving style. The rec- ommended gear is shown in the multifunction
display.
X If corresponding gearshift recommenda-
tion :appears in the multifunction display
on the instrument cluster, pull on the right- hand steering wheel paddle shifter
(Y page 163).
The automatic transmission shifts to rec-
ommended gear ;. Downshifting X
Pull the left-hand steering wheel paddle
shifter.
The automatic transmission shifts down to
the next gear.
i If you brake the vehicle or stop without
shifting down, the automatic transmission
will shift down to a gear that will allow the
vehicle to accelerate or pull away again.
i For maximum acceleration, pull the left-
hand steering wheel paddle shifter until the
transmission selects the optimum gear for
the current speed.
Kickdown You can also use kickdown for maximum
acceleration in manual drive program
M.
X Depress the accelerator pedal beyond the
pressure point.
The automatic transmission shifts to a
lower gear depending on the engine speed.
X Shift back up once the desired speed is
reached.
i AMG vehicles:
it is not possible to use
kickdown in manual drive program M.
Switching off the manual drive program X
Press the program selector button
(Y page 162).
X AMG vehicles: turn the drive program
selector (Y page 163).166
Automatic transmissionDriving and parking