Seats
77KEYLESS GO*
If you press the KEYLESS GO button repeat-
edly without depressing the brake pedal, its
function corresponds to the different key
positions in the ignition lock.
If you depress the brake pedal and press the
KEYLESS GO button, the engine starts imme-
diately.
i In order for the engine to be started using
the KEYLESS GO button, the KEYLESS GO
key must be in the vehicle.
i If there is a key in the ignition lock, it has
priority over the KEYLESS GO function. 1
KEYLESS GO button If KEYLESS GO button
1has not yet been
pressed, this corresponds to "key removed"
or position 0.
X Position 1: press KEYLESS GO button 1
once.
It is now possible to switch on the wind-
screen wipers, for example.
i If you now press KEYLESS GO button 1
twice, the power supply is disconnected
again.
X Position 2 (ignition): press KEYLESS GO
button 1twice.
i If you now press KEYLESS GO button 1
once, the power supply is disconnected
again. Seats
Points to remember
You will find information about folding down
the rear bench seat in the following sections:
R Through-loading feature in the rear bench
seat (Saloon) (Y page 195)
R Luggage compartment enlargement
(Estate) (Y page 198)
Depending on the vehicle's equipment, the
seats can adjusted either manually/electri-
cally or electrically*. G
Risk of injury
The seats can still be adjusted when there
is no key in the ignition lock. For this rea-
son, children should never be left unsuper-
vised in the vehicle. They could become
trapped when adjusting a seat. G
Risk of accident
Only adjust the driver's seat when the vehi-
cle is stationary. You will otherwise be dis-
tracted from the road and traffic conditions
and you could lose control of the vehicle as
a result of the seat moving. This could
cause an accident. Controls
* optional
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Side windows
109Summer opening
You can ventilate the vehicle before a journey.
To do this, you can use the key to simultane-
ously:
R open the side windows
R open the sliding/tilting sunroof* or the
panorama sliding sunroof* and the roller
sunblinds*
R switch on the seat ventilation*
i The "Summer opening" feature can only
be operated via the key. X
Point the tip of the key at the driver's door
handle.
X Unlock the vehicle by pressing the k
button.
X Press and hold the kbutton until the
side windows and the sliding/tilting sun-
roof* or panorama sliding sunroof* are in
the desired position.
If the roller sunblinds* of the panorama slid-
ing sunroof* are closed, the roller sun-
blinds* are opened first.
X Press and hold the kbutton again until
the panorama sliding sunroof* is in the
desired position. Convenience closing
When you lock the vehicle, you can close the
side windows and the sliding/tilting sun-
roof* or the panorama sliding sunroof* simul-
taneously.
On vehicles with a panorama sliding sun-
roof* you can then close the roller sun-
blinds*. G
Risk of injury
Make sure nobody can become trapped
when using the convenience closing fea-
ture. Proceed as follows if there is a risk of
entrapment:
With the key:
R Release the jbutton.
R Press and hold the kbutton until the
side windows and the sliding/tilting sun-
roof* or the panorama sliding sunroof*
open again.
With KEYLESS GO*:
R Release the locking button on the door
handle.
R Pull the door handle immediately and
hold it.
The side windows and the sliding/tilting
sunroof* or the panorama sliding sun-
roof* open. Controls
* optional
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Driving and pa
rking 111
Manual transmission
X
Shift to neutral.
X Depress the parking brake (Y page 113).
Further information about the manual trans-
mission (Y page 115). Automatic transmission* P
Park position with selector lever lock
R Reverse gear
N Neutral
D Drive position
X Before starting, make sure Pis selected.
i The engine can also be started when the
selector lever is in position N.
Further information about the automatic
transmission (Y page 115).
Starting the engine with the key i
Vehicles with automatic transmission*:
You can also use the "touch-start" function.
To do this, turn the key to position 3and release it immediately. The engine then
starts automatically.
X To start a petrol engine: turn the key to
position 3in the ignition lock (Y page 76)
and release it as soon as the engine is run-
ning.
X To start a diesel engine: turn the key to
position 2in the ignition lock (Y page 76).
The q preglow indicator lamp in the
instrument cluster lights up.
X When the qpreglow indicator lamp
goes out, turn the key to position 3
(Y page 76) and release it.
The engine starts automatically.
i You can start the engine without preglow
if the engine is warm.
Starting the engine with KE YLESS GO* G
Risk of injury
Your vehicle can be started using a valid
KEYLESS GO key*. For this reason, children
should never be left unsupervised in the
vehicle. Always take the KEYLESS GO
key* with you when leaving the vehicle, Cont
rols
* optional
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Driving and pa
rking 112 even if you are only leaving it for a short
time.
The KEYLESS GO button can be used to start
the vehicle without inserting the key in the
ignition lock.
The KEYLESS GO button is on the selector
lever. 1
KEYLESS GO button X
Depress the brake pedal.
The selector lever lock is released.
X Petrol engine: press KEYLESS GO button
1 once.
The engine starts automatically.
X Diesel engine: press KEYLESS GO button
1 once.
Preglow is activated and the engine starts
automatically.
i You can start the engine without preglow
if the engine is warm:
XPress and hold KEYLESS GO button
1 until the engine is running. Pulling away
! Warm up the engine quickly. Do not use
the engine's full performance until it has
reached operating temperature.
Only shift into reverse gear when the vehi-
cle is stationary.
Where possible, avoid spinning the drive
wheels when pulling away on slippery
roads. You could otherwise damage the
drive train. !
AMG vehicles: at low engine tempera-
tures (below + 20 °C), the maximum engine
speed is limited in order to protect the
engine. Avoid driving at full throttle when
the engine is cold in order to protect the
engine and maintain smooth engine oper-
ation.
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 lock-
ing feature (Y page 137).
Manual transmission X
Depress the clutch pedal.
X Shift to either first or reverse gear.
X Pull the parking brake release handle to
release the parking brake.
X Slowly release the clutch pedal and
depress the accelerator pedal.
! Change gear in good time and avoid spin-
ning the wheels. You could otherwise dam-
age the vehicle. Controls
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Transmission
114 Switching off the engine
G
Risk of accident
If the engine is not running, there is no
power assistance for the steering and
brakes. Steering and braking then takes
much more effort.
As a result, you might lose control of the
vehicle, cause an accident and injure your-
self and others.
Do not switch off the engine while driving.
Vehicles with manual transmission X
Shift to either first or reverse gear.
X Turn the key to position 0(Ypage 76) in the
ignition lock and remove it.
The immobiliser is activated.
Vehicles with automatic transmission* X
Move the selector lever to P.
Using the key
X Turn the key to position 0(Ypage 76) in the
ignition lock and remove it.
The immobiliser is activated. Using KEYLESS GO*
X
Press and hold the KEYLESS GO button
(Y page 77).
The engine stops and all the lamps in the
instrument cluster go out ( Ypage 26). Transmission
Introduction to the transmission
G
Risk of accident
The movement of the pedals must not be
impaired in any way. Do not keep any
objects in the driver's footwell. Make sure
that floormats or carpets are correctly
secured and that there is sufficient clear-
ance for the pedals. G
Risk of accident
Do not change down for additional engine
braking on a slippery road surface. This
could cause the drive wheels to lose their
grip and the vehicle could skid. This could
cause you to lose control of your vehicle
and cause an accident. Controls
* optional
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Refuelling
219
!
If the wrong fuel has been added by mis-
take, do not switch on the ignition. If you
do, the fuel could enter the fuel lines. The
tank and the fuel lines would then have to
be emptied. Inform a qualified specialist
workshop and have the tank and the fuel
lines emptied completely.
When you open or close the vehicle with the
key or KEYLESS GO*, the fuel filler flap is
automatically unlocked or locked.
The fuel filler flap is to the rear on the right. 1
To open the fuel filler flap
2 To insert the fuel cap
3 Tyre pressure table
4 Fuel type X
Turn the fuel filler cap to the left and
remove it.
X Insert the fuel filler cap into the holder
bracket on the inside of filler flap 2.
X Only fill the tank until the pump nozzle
switches off.
! Overfilling the tank could damage the fuel
system.
X To close: replace the fuel filler cap and turn
it clockwise. The fuel filler cap audibly
engages.
X Close the fuel filler flap.
i Vehicles with a diesel engine:
If the tank has been run completely dry, it
will be necessary to bleed the fuel system
(Y page 294). Petrol (EN 228)
! Refuel using only unleaded premium
grade petrol with a minimum octane num-
ber of 95 RON/85 MON conforming to
European standard EN 228.
You could otherwise impair engine output
or damage the engine.
You will find further information about pet-
rol under "Fuel" in the index.
i As a temporary measure, but only when
the recommended fuel is not available, you
may also use regular unleaded petrol,
91 RON/82.5 MO N. Thismay reduce per-
formance and increase petrol consump-
tion. Avoid driving at full throttle.
In some countries, the available petrol qual-
ity may not be sufficient and could cause
coking around the inlet valve. In such
cases, and in consultation with a
Mercedes-Benz Service Centre, the petrol
may be mixed with the additive recommen-
ded by Mercedes-Benz (part no.
A000989254510). You must observe the
notes and mixing ratios given on the con-
tainer. Operation
* optional
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Display
messages 261Display messages Possible cause/consequence Possible solution
P Selector lever in
park position You have switched off the engine with the
KEYLESS GO button* and opened the driv-
er's door.
or
With HOLD activated, you have either:
R
opened the driver’s door and released
the seat belt or
R switched off the engine or
R opened the bonnet
The horn may also sound at regular inter-
vals. The horn becomes louder if you
attempt to lock the vehicle.
The engine cannot be started. X
Move the selector lever to P.
The engine can be started again. P Selector lever in
park position You have tried to switch off the engine
with the KEYLESS GO button* while the
selector lever is in position
Ror D. X
Move the selector lever to P.Please shift to P or N You have attempted to start the engine
while the selector lever is not in position
P
or N. X
Move the selector lever to Por N. Practical advi
ce
* optional
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Display
messages 279Display messages Possible cause/consequence Possible solution
H Tyre pressure
Check tyres The pressure in one or more tyres has
dropped significantly. The affected wheel
is highlighted in the tyre pressure display
of the tyre pressure monitor*. X
Stop the vehicle without making any sudden
steering or braking manoeuvres. Pay attention
to the traffic conditions as you do so.
X Check the tyres.
X Repair or change the faulty tyre if necessary
(Y page 317).
X Check the tyre pressure and correct it if nec-
essary (Y page 229).
The warning will disappear automatically after
you have been driving for a few minutes with
the corrected tyre pressure. I Change key batter-
ies The batteries of the KEYLESS GO key* are
discharged. X
Change the batteries (Y page 310).I Key not detected
The KEYLESS GO key* is not in the vehicle.
It will no longer be possible to centrally
lock the vehicle and start the engine if the
engine is switched off. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Look for the KEYLESS GO key *.I Key not detected
The
KEYLESS GO* key is not detected
while the engine is running, because there
is interference from a strong source of
radio waves. X
Stop the vehicle. Pay attention to the traffic
conditions as you do so.
X Operate the vehicle using the key in the ignition
lock if necessary. Practical advice
* optional
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