environmentally responsible
recycling system. Dispose of batteries in an
environmentally responsible
manner. Take discharged
batteries to a qualified spe-
cialist workshop or to a col-
lection point for used batter-
ies.
Replacing the battery If the battery needs to be replaced, the battery
symbol on the left of the display is shown as
empty. A CR2450 lithium battery is required
when replacing the battery.
X Press a pointed object into recess :.
X Slide battery cover ;backwards in the direc-
tion of the arrow.
X Remove old battery =.
X Insert the new battery with the lettering
facing upwards.
X Slide battery cover ;in the opposite direc-
tion to the arrow on the remote control until it
engages.
X Use the remote control to check the vehicle's
auxiliary heating functions. Operating the climate control system
153Climate control Z
G
WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect, for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There is a risk of an accident.
Do not switch off the ignition while driving. G
WARNING
If the parking brake has not been fully
released when driving, the parking brake can:
R overheat and cause a fire
R lose its hold function.
There is a risk of fire and an accident. Release
the parking brake fully before driving off.
! Do not warm up the engine when the vehicle
is stationary. Drive off immediately. Avoid
high engine speeds and driving at full throttle
until the engine has reached its operating
temperature.
Only shift the automatic transmission to the
desired drive position when the vehicle is sta-
tionary.
Where possible, avoid spinning the drive
wheels when pulling away on slippery roads.
You could otherwise damage the drive train.
! Mercedes-AMG vehicles:
at low engine oil
temperatures (below +20 †), the maximum
engine speed is restricted in order to protect the engine. To protect the engine and main-
tain smooth engine operation, avoid driving at
full throttle when the engine is cold.
Observe the important safety notes for PLUG-IN HYBRID vehicles (Y page 41). Key positions
Key g
To remove the key
1 Power supply for some consumers, such as
the windscreen wipers
2 Ignition (power supply for all consumers)
and drive position
3 To start the vehicle
i If the key does not belong to the vehicle, it
can still be turned in the ignition lock. How-
ever, the ignition will not be switched on. The
engine cannot be started.
KEYLESS-GO General notes
Vehicles with KEYLESS-GO are equipped with a
key featuring an integrated KEYLESS-GO func-
tion and a detachable Start/Stop button.
A check which periodically establishes a radio
connection between the vehicle and the key
determines whether a valid key is in the vehicle. This occurs, for example, when starting the
engine.
When you insert the Start/Stop button into the
ignition lock, the system needs approximately
two seconds recognition time. You can then use the Start/Stop button.
Pressing the Start/Stop button several times in
succession corresponds to the different key
positions in the ignition lock. This is only the
case if you are not depressing the brake pedal.
If you depress the brake pedal and press the
Start/Stop button, the engine starts immedi-
ately. 158
DrivingDriving and parking
To start the vehicle without actively using the
key:
R the Start/Stop button must be inserted in the
ignition lock
R the key must be in the vehicle
R the vehicle must not be locked with the key or
KEYLESS-GO (Y page 85)
Do not keep the key:
R with electronic devices, e.g. a mobile phone
or another key
R with metallic objects, e.g. coins or metal film
R inside metallic objects, e.g. a metal case
This can affect the function of the key with KEY- LESS-GO.
Do not keep the KEYLESS-GO key in the tem-
perature-controlled cup holder (Y page 362).
Otherwise, the KEYLESS-GO or KEYLESS-GO
Start function key will not be detected.
If you lock the vehicle with the key's remote
control or with KEYLESS-GO, after a short time:
R you will not be able to switch on the ignition
with the Start/Stop button
R you will not be able to start the engine with the
Start/Stop button until the vehicle is
unlocked again
If you lock the vehicle centrally using the button
on the front door (Y page 91), you can continue
to start the engine with the Start/Stop button.
The engine can be switched off while the vehicle
is in motion by pressing and holding the Start/
Stop button for three seconds. This function
operates independently of the ECO start/stop
automatic engine switch-off function.
Key positions with KEYLESS-GO :
Start/Stop button
; Ignition lock When you switch on the ignition, all of the indi-
cator lamps in the instrument cluster light up.
Further information on situations where an indi-
cator lamp either fails to go out after starting the engine or lights up while driving (Y page 339).
If Start/Stop button :has not yet been
pressed, this corresponds to the key being
removed from the ignition.
X To switch on the power supply: press
Start/Stop button :once.
The power supply is switched on. You can now activate the windscreen wipers, for example.
The power supply is switched off again if:
R the driver's door is opened and
R you press Start/Stop button :twice when in
this position
X To switch on the ignition: press Start/Stop
button :twice.
The ignition is switched on.
If you press Start/Stop button :once when
in this position, the ignition is deactivated
again.
Removing the Start/Stop button
You can remove the Start/Stop button from the ignition lock and start the vehicle as normal
using the key.
It is only possible to switch between KEYLESS-
GO mode and key operation when the transmis-
sion is in position P.
X Remove Start/Stop button :from ignition
lock ;.
You do not have to remove the Start/Stop but-
ton from the ignition lock when you leave the
vehicle. You should, however, always take the
key with you when leaving the vehicle. As long as
the key is in the vehicle:
R the vehicle can be started using the Start/
Stop button
R the electrically powered equipment can be
operated Driving
159Driving and parking Z
Pulling away
General notes 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.
Depress the accelerator carefully when pulling
away.
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 294).
It is only possible to shift the transmission from position Pto the desired position if you depress
the brake pedal. Only then is the parking lock
released. If you do not depress the brake pedal,
the DIRECT SELECT lever can still be moved but the parking lock remains engaged.
i Upshifts take place at higher engine speeds
after a cold start. This helps the catalytic con- verter to reach its operating temperature
more quickly.
Information on automatically releasing the elec-
trical parking brake (Y page 192).
Pulling away with a trailer To ensure that you do not roll backwards when
pulling away on an uphill slope, apply the electric
parking brake. X
Press and hold handle :.
The electric parking brake continues to brake
and prevent the vehicle from rolling back-
wards.
The red !indicator lamp in the instrument
cluster remains lit.
X Depress the accelerator pedal.
X As soon as the vehicle/trailer combination is
held by the driving force of the engine, release
lever :.
the electric parking brake is released
The red !indicator lamp in the instrument
cluster goes out.
Hill start assist Hill start assist helps you when pulling away for-
wards 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
depress it before the vehicle begins to roll. G
WARNING
After a while, hill start assist no longer holds
the vehicle and it may 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 a
downhill gradient
R the transmission is in position N
R the electric parking brake is applied
R ESP ®
is malfunctioning ECO start/stop function
Introduction This section describes the ECO start/stop func-
tion for all vehicles except PLUG-IN HYBRID
vehicles. Information on the ECO start/stop
function in PLUG-IN HYBRID vehicles
(Y page 269). Driving
161Driving 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 160). 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. The starter motor
can be heard. The
reserve fuel warning
lamp is lit and the fuel
gauge display shows
0. The fuel tank is empty.
X Refuel the vehicle. 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 397).
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. Vehicles with a petrol
engine:
The engine is not running
smoothly and is misfir-
ing. 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 work-
shop. Driving
165Driving and parking Z
Transmission positions
B Park position
This prevents the vehicle from rolling away when stopped. Only shift the
transmission into position Pwhen
the vehicle is stationary
(Y page 225).
Park position Pis automatically
engaged if:
R you switch off the engine using the
key and remove the key
R you switch off the engine using the
key or using the Start/Stop button
and open the driver's door or front- passenger door
R you open the driver's door when
the vehicle is stationary or driving
at very low speed and the trans-
mission is in position Dor R C Reverse gear
Only shift the transmission into posi- tion Rwhen the vehicle is stationary. 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 to position 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 lead to
damage to the transmission. 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. Gearshifting is determined
by:
R the selected drive program
R the position of the accelerator pedal
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
Kickdown Use kickdown for maximum acceleration:
X Depress the accelerator pedal beyond the
pressure point.
The 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.
Gliding mode All vehicles (except Mercedes-AMG vehi-
cles)
Gliding mode is characterised by the following:
R the combustion engine is disconnected from
the drive train
R the engine speed is equal to the engine idling
speed
R the gear indicated after the transmission
position Ddisappears in the multifunction
display (Y page 168)
Gliding mode can be activated under the follow-
ing conditions:
R you select the "ECO" setting for the drive sys-
tem within the Individualdrive program. You
can find information about this in the Digital
Owner's Manual
R the speed is within a suitable range 170
Automatic transmissionDriving an
d parking
R
the type of road is suitable, e.g. no steep gra-
dients
R you are no longer depressing the accelerator
pedal
Gliding mode is deactivated under the following
conditions:
R you depress the accelerator pedal
R you depress the brake pedal
R you use the DIRECT SELECT lever to switch
the transmission position (Y page 168)
R you use the DYNAMIC SELECT controller to
change the drive program (Y page 166)
R you activate manual gearshifting
(Y page 172)
R you leave the suitable speed range
Mercedes-AMG vehicles Gliding mode is characterised by the following:
R the combustion engine is disconnected from
the drive train
R the engine speed is equal to the engine idling
speed
R in the multifunction display, the gliding sym-
bol appears in the drive program display
Gliding mode can be activated under the follow-
ing conditions:
R the Comfort drive program is activated or you
select the "Comfort" setting for the drive sys-
tem within the Individualdrive program. You
can find information about this in the Digital
Owner's Manual
R the ECO start/stop function is activated
R you are driving carefully with low acceleration
of the vehicle
R the engine is at normal operating temperature
R the speed is within a suitable range
R the type of road is suitable, e.g. no steep gra-
dients
R you are no longer depressing the accelerator
pedal
Gliding mode is deactivated under the following conditions:
R you have deactivated the ECO start/stop
function
R you depress the accelerator pedal
R you depress the brake pedal
R you use the DIRECT SELECT lever to switch
the transmission position (Y page 168)R
you use the DYNAMIC SELECT controller to
change the drive program (Y page 166)
R you activate manual gearshifting
(Y page 172)
R you leave the suitable speed range
Towing a trailer X
Drive in the middle of the engine speed range
on uphill gradients.
X Depending on the uphill or downhill gradient,
use left-hand steering wheel gearshift paddle
(Y page 172) to select a lower gear, even if
cruise control, DISTRONIC PLUS, or SPEED-
TRONIC are activated. Drive programs
Slippery drive program The
Slippery drive program has the following
characteristics:
R reduced engine and transmission settings for
optimum propulsion on slippery or snow-cov-
ered roads.
R optimised ESP ®
stability control on slippery
or snow-covered roads.
R the vehicle has improved driving stability on
slippery or snow-covered roads, for example.
Comfort drive program The
Comfort drive program has the following
characteristics:
R comfort-orientated engine and transmission
settings.
R optimal fuel consumption resulting from the
automatic transmission shifting up sooner.
R the vehicle pulling away more gently in
forward and reverse gears unless the accel-
erator pedal is depressed fully.
R the automatic transmission shifting up
sooner. This results in the vehicle being driven
at lower engine speeds and the wheels being less likely to spin. Automatic transmission
171Driving and parking Z
:
Acceleration
; Coasting
= Constant
? Additional range achieved
Range ?is shown under Bonus
Bonusfr.
fr.start
start and
represents the additional range achieved since
the beginning of the journey as a result of an
adapted driving style.
If the fuel level has dropped into the reserve
range, the Reserve fuel Reserve fuel message is shown in
the multifunction display instead of range ?. In
addition, the 8warning lamp in the instru-
ment cluster lights up (Y page 347).The ECO display consists of three sections, with
an inner and outer area. The sections corre-
spond to the following three categories: :
Acceleration
(evaluation of all accel-
eration processes):
R the outer area fills up and the inner
area lights up green: moderate
acceleration, especially at higher
speeds
R the outer area empties and the
inner area is grey: sporty acceler-
ation ;
Coasting
(evaluation of all decelera-
tion processes):
R the outer area fills up and the inner
area lights up green: anticipatory
driving, keeping your distance and
early release of the accelerator.
The vehicle can coast without use
of the brakes.
R the outer area empties and the
inner area is grey: frequent heavy
braking =
Constant
(continuous evaluation
over the entire journey):
R the outer area fills up and the inner
area lights up green: constant
speed and avoidance of unneces-
sary acceleration and deceleration
R the outer area empties and the
inner area is grey: fluctuations in
speed The three inner areas display the current driving
style and light up green as a result of a particu-
larly economical driving style. Depending on the driving situation, up to two areas may light up
simultaneously.
At the beginning of the journey, the three outer
areas are empty and fill up as a result of eco-
nomical driving. A higher level indicates a more
economical driving style. If the three outer areas
are completely filled at the same time, the driver
has adopted the most economical driving style
for the selected settings and prevailing condi-
tions. The ECO display border lights up.
The ECO display does not indicate the actual fuel consumption. The additionally achieved range
displayed under Bonus fr. start
Bonus fr. start does not
indicate a fixed consumption reduction. Driving tips
195Driving and parking Z