XTurn the SmartKey to position 1or 2in the
ignition lock ( Ypage 115).
X To switch on: press button:repeatedly
until the desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
iIf the battery voltage is too low, the seat
heating may switch off.
Problems with the seat heating
You can find information about this in the
Digital Operator's Manual.
Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
GWARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk ofinjury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Neverleave children unsupervised in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no SmartKey in
the ignition lock.
Information in the Digital Operator's
Manual
In the Digital Operator's Manual you will find
information on the following topics: R Adjusting the steering wheel
R Steering wheel heating
R EASY-ENTRY/EXIT feature
Mirrors
In the Digital Operator's Manual you will find
information on the following topics:
R Rear-view mirror
R Exterior mirrors
R Automatic anti-glare mirrors
R Parking position for the exterior mirror on
the front-passenger side
Memory function
In the Digital Operator's Manual you will find
information on the following topics: R
Storing settings
R Calling up a stored setting
Memory function99
Seats, steering wheel and mirrors
Z
The exterior lighting (except the parking/
standing lamps) switches off automatically ifyou:R remove the SmartKey from the ignition lock
R open the driver's door with the SmartKey in
position 0
Information in the Digital Operator's Man-
ual
In the Digital Operator's Manual you will find
information on the following topics: R Automatic headlamp mode
R Low-beam headlamps
R Parking lamps
R Standing lamps
Combination switch
:High-beam headlamps
;Turn signal, right
=High-beam flasher
?Turn signal, left
In the Digital Operator's Manual you will find
information on the following topics: R Turn signal
R High-beam headlamps
R High-beam flasher
Cornering light function
The cornering light function improves the illu-
mination of the road over a wide angle in the direction you are turning, enabling better vis-
ibility in tight bends, for example. It can only
be activated when the low-beam headlamps
are switched on. Active:
R if you are driving at speeds below 25 mph
(40 km/ h)and switch on the turn signal or
turn the steering wheel
R if you are driving at speeds between
25 mph (40 km/ h)and 45 mph (70 km/h)
and turn the steering wheel
The cornering lamp may remain lit for a short
time, but is automatically switched off after
no more than three minutes.
Exterior lighting103
Lights and windshield wipers
GWARNING
Unsuitable footwear can hinder correct usageof the pedals, e.g.:
R shoes with thick soles
R shoes with high heels
R slippers
There is a risk of an accident.
Wear suitable footwear to ensure correct
usage of the pedals.
GWARNING
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.
GWARNING
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 with the vehi-
cle stationary. Drive off immediately. Avoid high engine speeds and driving at full throt-
tle until the engine has reached its operat-
ing temperature.
Only shift the automatic transmission to
the desired drive position when the vehicle 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 oil temper-
atures below 68 ‡ (+20 †), the maximum
engine speed is restricted in order to pro-
tect the engine. To protect the engine and maintain smooth engine operation, avoid
driving at full throttle when the engine iscold.
Key positions
SmartKey
gTo remove the SmartKey
1Power supply for some consumers, such
as the windshield wipers
2Ignition (power supply for all consumers)
and drive position
3To start the engine
The SmartKey can be turned in the ignition
lock even if it is not the correct SmartKey for
the vehicle. The ignition is not switched on.
The engine cannot be started.
Start/Stop button
General notes
All vehicles are equipped with a removable
Start/Stop button.
The Start/Stop button must be inserted in the ignition lock and the SmartKey must be in the
vehicle.
When you insert the Start/Stop button into
the ignition lock, the system needs approx-
imately 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
Driving115
Driving and parking
Z
If the engine has been switched off, the auto-
matic transmission automatically shifts to N.
If the automatic transmission is to remain in neutral N, e.g. for washing the vehicle in car
washes with a towing device, please observe the following instructions:
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 Smart-
Key in the ignition lock.
With the Start/Stop button:
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 Pull the Start/Stop button out of the igni-tion.
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 Smart-
Key in the ignition lock.
Information in the Digital Operator's Manual
In the Digital Operator's Manual you will find
information on the following topics:
R Transmission position display
R Transmission positions R
Driving tips
R Program selector button
R Steering wheel paddle shifters
R Automatic drive program
R Problems with the transmission
Manual drive program (AMG vehicles)
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.
Manual drive program Mis different from
drive program Swith regard to spontaneity,
responsiveness and smoothness of gearchanges.
In addition to permanent drive program M,
you can also activate temporary drive pro- gram M; see the Digital Operator's Manual.
Switching on the manual drive program
In manual drive program M, you can change
gear using the steering wheel paddle shifters
if the transmission is in position D. You can
see the currently selected drive program and
which gear is engaged in the multifunction
display.
X Press the program selector button until M
appears in the multifunction display; see
the Digital Operator's Manual.
Upshifting
!In manual drive program M, the automatic
transmission does not shift up automati-
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.
Automatic transmission121
Driving and parking
Z
:Gear indicator
;Upshift indicator
Before the engine speed reaches the red area, an upshift indicator will be shown in the mul-
tifunction display. X If the color in the speedometer multifunc-
tion display changes to red and the
UPdis-
play message is shown, shift up a gear
using the right-hand steering wheel paddle
shifter.
The automatic transmission shifts up to the
next gear if this is permissible.
Information in the Digital Operator's
Manual
In the Digital Operator's Manual you will find
information on the following topics: R Downshifting
R Switching off the manual drive program
Transfer case
!
Performance tests may only be carried
out on a 2-axle dynamometer. The brake
system or transfer case could otherwise be
damaged. Contact a qualified specialist
workshop for a performance test.
!To prevent ESP ®
from intervening, the
ignition must be switched off (SmartKey or
the Start/Stop button in position 0or 1) if:
R the electric parking brake is being tested
on a brake dynamometer.
R the vehicle is being towed with only one
axle raised (not permitted for vehicles
with 4MATIC).
The brake system could otherwise be dam-aged.
!Vehicles with 4MATIC must not be towed
with either the front or the rear axle raised,
as doing so will damage the transmission.
This section is only valid for vehicles with 4-
wheel drive (4MATIC). Power is always trans- mitted to both axles.
Refueling
Important safety notes
GWARNING
Fuel is highly flammable. If you handle fuel
incorrectly, there is a risk of fire and explo-
sion.
You must avoid fire, open flames, creating
sparks and smoking. Switch off the engine
and, if applicable, the auxiliary heating before refueling.
GWARNING
Fuel is poisonous and hazardous to health.
There is a risk of injury.
You must make sure that fuel does not comeinto contact with your skin, eyes or clothing
and that it is not swallowed. Do not inhale fuel
vapors. Keep fuel away from children.
If you or others come into contact with fuel,
observe the following:
R Wash away fuel from skin immediately
using soap and water.
R If fuel comes into contact with your eyes,
immediately rinse them thoroughly with
122Refueling
Driving and pa rking
Problems with fuel and the fuel tank
This section provides descriptions of and solutions to safety-relevant problems. Descriptions
of and solutions to further problems can be found in the Digital Operator's Manual.
ProblemPossible causes/consequences and MSolutions
Fuel is leaking from the
vehicle.GWARNING
The fuel line or the fuel tank is faulty.
Risk of explosion or fire.
X Apply the electric parking brake.
X Switch off the engine.
X Open the driver's door.
The on-board electronics now have status 0. This is the same as
the SmartKey having been removed.
or, if the SmartKey is inserted in the ignition lock: X Remove the SmartKey from the ignition lock.
X Do not restart the engine under any circumstances.
X Consult a qualified specialist workshop.
Parking
Important safety notes
GWARNING
Flammable material such as leaves, grass or
twigs may ignite if they come into contact with
hot parts of the exhaust system or exhaust
gas flow. There is a risk of fire.
Park the vehicle so that no flammable mate-
rials come into contact with parts of the vehi- cle which are hot. Take particular care not to
park on dry grassland or harvested grainfields.
GWARNING
If you leave children unsupervised in the vehi- cle, they could set it in motion by, for example:
R release the parking brake.
R shift the automatic transmission out of the
parking position P.
R start the engine.
In addition, they may operate vehicle equip-
ment and become trapped. 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.
!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 the front wheels must be turned towards
the curb on steep uphill or downhill gradi-ents.
Parking125
Driving and parking
Z
Rthe empty vehicle must be secured at the
front axle with a wheel chock or similar, for
example, on uphill or downhill gradients.
R a laden vehicle must also be secured at the
rear axle with a wheel chock or similar, for
example, on uphill or downhill gradients.
Switching off the engine
Important safety notes
GWARNING
The automatic transmission switches to neu-
tral 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 vehi-
cle from rolling away by applying the parking
brake.
If the engine cannot be switched off as descri-
bed here, see "Emergency engine cutoff"( Y page 237).
Information in the Digital Operator's
Manual
A description of how to switch off the engine
can be found in the Digital Operator's Manual.
Electric parking brake
General notes
GWARNING
If you leave children unsupervised in the vehi- cle, they could set it in motion by, for example:
R release the parking brake.
R shift the automatic transmission out of the
parking position P.
R start the engine.
In addition, they may operate vehicle equip-
ment and become trapped. 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.
The function of the electric parking brake is
dependent on the on-board voltage. If the on-
board voltage is low or there is a malfunction
in the system, it may not be possible to apply the released parking brake.
X If this is the case, only park the vehicle on
level ground and secure it to prevent it roll-
ing away.
X Shift the automatic transmission to posi-
tion P.
It may not be possible to release an applied
parking brake if the on-board voltage is low or there is a malfunction in the system. Contact
a qualified specialist workshop.
The electric parking brake performs a func-
tion test at regular intervals while the engine is switched off. The sounds that can be heard
while this is occurring are normal.
Information in the Digital Operator's
Manual
In the Digital Operator's Manual you will find
information on the following topics: R Applying/releasing manually
R Applying automatically
R Releasing automatically
R Emergency braking
Parking the vehicle for a long period
You can find information about this in the
Digital Operator's Manual.
126Parking
Driving an d parking
regular intervals and in accordance with the
Mercedes-Benz service requirements. Details
can be found in the Maintenance Booklet.
ECO display
You can find information about this in the
Digital Operator's Manual.
Braking
Important safety notes
GWARNING
If you shift down on a slippery road surface in an attempt to increase the engine's braking
effect, the drive wheels could lose their grip.
There is an increased danger of skidding and
accidents.
Do not shift down for additional engine brak-
ing on a slippery road surface.
Downhill gradients
You can find information about this in the
Digital Operator's Manual.
Heavy and light loads
GWARNING
If you rest your foot on the brake pedal while
driving, the braking system can overheat. Thisincreases the stopping distance and can even
cause the braking system to fail. There is a
risk of an accident.
Never use the brake pedal as a footrest. Never
depress the brake pedal and the accelerator
pedal at the same time.
Further information can be found in the Digi-
tal Operator's Manual.
Wet roads
You can find information about this in the
Digital Operator's Manual.
Limited braking performance on salt-
treated roads
You can find information about this in the
Digital Operator's Manual.
Servicing the brakes
You can find information about this in the
Digital Operator's Manual.
AMG high-performance and ceramicbrakes
You can find information about this in the
Digital Operator's Manual.
Driving on wet roads
Information in the Digital Operator's Manual
In the Digital Operator's Manual you will find
information on the following topics:
R Hydroplaning
R Driving on flooded roads
Winter driving
GWARNING
If you shift down on a slippery road surface in
an attempt to increase the engine's braking
effect, the drive wheels could lose their grip.
There is an increased danger of skidding and
accidents.
Do not shift down for additional engine brak-
ing on a slippery road surface.
GDANGER
If the exhaust pipe is blocked or adequate
ventilation is not possible, poisonous gases
such as carbon monoxide (CO) may enter thevehicle. This is the case, e.g. if the vehicle
becomes trapped in snow. There is a risk of
fatal injury.
If you leave the engine or the auxiliary heating
running, make sure the exhaust pipe and area
128Driving tips
Driving and parking