
GWarning
When the å ESP OFF warning lamp lights
up, ESP is switched off.
When the ä ESP warning lamp and the
å ESP OFF warning lamp are on
continuously, ESP is not operational due to a
malfunction.
When ESP is switched off or not operational,
the vehicle's stability during standard driving
maneuvers is reduced.
Adapt your driving style to suit the prevailing
road conditions/weather conditions and to
the non-operating status of ESP.
! Avoid spinning a drive wheel for an
extended period with ESP ®
switched off.
This could cause serious damage to the
drive train.
XTo activate: (Y page 207).
The å warning lamp in the instrument
cluster goes out.
EBD
GWarning
Observe "Important safety notes"
( Y page 64).
EBD monitors and controls the brake
pressure on the rear wheels to improve
driving stability while braking.
GWarning!
If the EBD malfunctions, the brake system will
still function with full brake boost. However,
the rear wheels could lock up during
emergency braking situations, for example.
You could lose control of the vehicle and
cause an accident.
Adapt your driving style to the changed
driving characteristics.
Adaptive Brake
ADAPTIVE BRAKE enhances braking safety
and offers increased braking comfort. In
addition to the braking function, ADAPTIVE
BRAKE also has the HOLD function
( Y page 184) and hill start assist
( Y page 154). For further information, see
Driving tips ( Y page 168).
PRE-SAFE ®
Brake (vehicles with
DISTRONIC PLUS)
PRE-SAFE ®
Brake can help you to minimize
the risk of a frontal collision with a vehicle
ahead or reduce the effects of such a
collision.
This function warns you from a speed of
approximately 20 mph (30 km/h) when you
are rapidly approaching a vehicle in front. An
intermittent warning tone sounds and the
· distance warning lamp lights up in the
instrument cluster.
Due to the nature of the system, particularly
complicated driving conditions may cause the
system to display an unnecessary warning.
At speeds of above approximately
20 mph (30 km/h), if the driver and
passengers have fastened their seat belts,
the PRE-SAFE ®
Brake can:
R brake the vehicle automatically at speeds
ranging up to approximately 124 mph
(200 km/h)
R trigger preventative occupant protection
measures (PRE-SAFE ®
) ( Y page 51)
GWarning!
An intermittent warning sounds and the
distance warning lamp · in the instrument
cluster is illuminated if the PRE-SAFE ®
Brake
calculates that the distance to the vehicle
ahead and your vehicle's current speed
indicate that the PRE-SAFE ®
Brake will not be
capable of slowing the vehicle sufficiently to
maintain the preset following distance, which
creates a danger of a collision.
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GWarning
Depending on the vehicle speed, PRE-SAFE®
Brake brakes your vehicle with a maximum of
13 ft/s 2
(4 m/s 2
) before a possible hard stop.
This corresponds to about 40 % of the
maximum deceleration ability of your vehicle.
The driver must apply the brakes additionally
in order to prevent a collision. The self-acting
hard stop will be initiated when the imminent
danger of a collision exists, e.g. when an
evasive maneuver cannot avoid an accident.
In order to maintain the appropriate distance
to the vehicle in front and thus prevent a
collision, you must apply the brakes yourself.
At speeds up to approximately
40 mph (70 km/h), PRE-SAFE ®
Brake can
also detect stationary obstacles, for example
stopped or parked vehicles.
GWarning!
If you do not receive visual or acoustic
warning signals, the PRE-SAFE ®
Brake may
R not have recognized the collision risk
R have been deactivated
R be malfunctioning
Apply the brakes yourself to avoid a collision.
XTo activate: activate PRE-SAFE ®
Brake in
the on-board computer ( Y page 207).
The Ä symbol appears in the lower
multifunction display, as long as the HOLD
function is not activated ( Y page 184).
On vehicles with parking guidance, the P
gear must be engaged for the icon to be
displayed.
For PRE-SAFE ®
Brake to assist you when
driving, the radar sensor system must be
switched on and operational.
PRE-SAFE ®
Brake does not always detect
complex traffic situations properly. You can
terminate the braking action of PRE-SAFE ®
Brake in a non-critical driving situation at any
time if:
R an acoustic and visual warning occurs
R the vehicle brakes
To end this, you can either depress the
accelerator pedal further, activate kickdown
or release the brake pedal.
The braking action of PRE-SAFE ®
Brake is
ended automatically if:
R you maneuver to avoid the obstacle
R you drive slower than approximately
9 mph (15 km/h)
R there is no longer an obstacle detected in
front of your vehicle
R there is no longer any danger of a collision
Following a collision or accident-related
damage to the front end of the vehicle, have
the configuration and operation of the radar
sensors checked. Choose a qualified
specialist workshop for this which has the
necessary specialist knowledge and tools for
the work required. Mercedes-Benz
recommends that you use an authorized
Mercedes-Benz Center for this purpose.
Anti-theft systems
Immobilizer
The immobilizer prevents your vehicle from
being started without the correct key.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be started by anyone with a valid
key that is left inside the vehicle.
XTo activate with the SmartKey: remove
the SmartKey from the ignition lock.XTo activate with KEYLESS-GO: switch the
ignition off and open the driver's door.XTo deactivate: switch on the ignition.70Anti-theft systemsSafety
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RTo open or close the vehicle, the KEYLESS-
GO key should be no more than 3 ft (1 m)
from the door or trunk.
RWhen the vehicle is parked for more than
72 hours, the KEYLESS-GO function is
deactivated. Pull one of the outer door
handles and turn on the ignition to
reactivate the KEYLESS-GO function.
RIf the KEYLESS-GO key is not near the
vehicle, it is possible that the system may
not recognize it. In this case, the vehicle
cannot be locked or started with KEYLESS-
GO.
RIf the KEYLESS-GO key has been removed
from the vehicle (e.g. if a passenger leaves
the vehicle with the KEYLESS-GO key):
-while someone is holding the Start/Stop
button or attempting to lock the vehicle
with the outer door handle, the message
Key not detected appears in the
multifunction display
-while the engine is running, the red
message Key not detected appears in
the multifunction display as you pull
away. Find the KEYLESS-GO key or
change its current position immediately
(e.g. place it on the front-passenger seat
or carry it in your shirt pocket.)
RIf you have started the engine using the
Start/Stop button, you can turn if off again
by:
-pressing the Start/Stop button again
-inserting the KEYLESS-GO key in the
ignition lock when the vehicle is
stationary and the automatic
transmission is in parking position P.
RYou may accidentally unlock the vehicle if
the KEYLESS-GO key is within 3 ft (1 m) of
the vehicle and:
-an outer door handle comes into contact
with water
or
-you are cleaning an outer door handle.
RNote that the engine can be started by any
vehicle occupant if a KEYLESS-GO key is in
the vehicle.
Option 1: there is a KEYLESS-GO key in the
vehicle and a KEYLESS-GO key outside the
vehicle. If you leave the KEYLESS-GO key
behind when you get out and lock the
vehicle, a message does not appear in the
multifunction display.
Option 2: there is a KEYLESS-GO key in the
vehicle but no KEYLESS-GO key outside the
vehicle. When you get out and try to lock
the vehicle, the message Key still in
vehicle appears in the multifunction
display. The vehicle is not locked in this
case.
When starting the engine and while driving,
KEYLESS-GO also checks whether a valid key
is in the vehicle by periodically establishing
radio contact.
X To unlock the vehicle: touch the inner
surface of the door handle.
XTo lock the vehicle: touch sensor
surface :.
If you pull on the handle of the trunk lid, only
the trunk of the vehicle is unlocked.
iIf the vehicle has been parked for a long
time, you must pull the door handle to
activate the KEYLESS-GO functions.
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If the side window opens again slightly:XPull the corresponding switch again
immediately and hold it for approximately
one second.
Problems with the side windows
Problem: a side window cannot be closed
because an object is obstructing the side
window.
XRemove the object(s).XClose the side window.
Problem: a side window cannot be closed,
and you cannot see the cause.
GWarning!
Closing the side windows with increased force
or without the anti-entrapment feature could
lead to serious or even fatal injury. Make sure
that nobody can become trapped when
closing the side windows.
If a side window is obstructed during closing
and reopens again slightly:
XImmediately after the window blocks, pull
on the corresponding switch again until the
side window has closed.
The side window is closed with increased
force.
If a side window is obstructed again during
closing and reopens again slightly:
XImmediately after the window blocks, pull
on the corresponding switch again until the
side window has closed.
The side window is closed without the anti-
entrapment feature.GWarning!
Pulling and holding the switch to close the
window immediately after it had been blocked
two times will cause the window to close
without the anti-entrapment feature for as
long as you hold the switch.
Soft top (Cabriolet)
Important safety notes
You can open or close the soft top either
when the vehicle is stationary or when driving
up to a speed of 40 km/h.
If there is a strong head wind, it may not be
possible to close the soft top fully. In this
case, reduce speed or stop in order to close
the soft top fully.
For safety reasons, Mercedes-Benz
recommends that you only open or close the
soft top when the vehicle is stationary.
GRisk of accident and injury
Only drive with the soft top fully open or
closed.
If the soft top does not open or close fully, the
soft-top hydraulics are depressurized and the
soft top is lowered:
R after about seven minutes if the ignition is
switched on
R immediately if the ignition is switched off
A warning tone sounds shortly beforehand.
The Convertible Top Opening/Closing
Not Finished message appears in the
multifunction display.
Lock the soft top again before driving on.
Otherwise, the unlocked soft top could open
during the journey and cause you to lose
control of your vehicle. You or other persons
could be injured as a result.
! Never sit on the soft-top compartment
cover and do not store any heavy objects
on it. You will otherwise damage the soft
top and soft-top compartment cover of the
vehicle.
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! The soft top swings upwards when it is
opened or closed. In order to avoid
damaging the soft top or other parts of the
vehicle when opening or closing the soft
top, observe the following:
R there must be sufficient clearance above
the vehicle.
R the trunk partition must be closed and
must not be pushed upwards by the
cargo.
R there must not be any objects on the
soft-top compartment cover.
R the trunk lid must be closed.
R the fabric must not be dirty, wet or
frozen.
Opening and closing the roof with the
soft top switch
Important safety notes
GRisk of injury
Make sure nobody can be trapped or injured
by moving parts, such as the soft-top linkage
or soft-top compartment cover, when opening
or closing the soft top.
Release the soft-top switch in the event of
danger. The soft-top mechanism stops
immediately.
GRisk of accident
If the vehicle speed exceeds 40 km/h, the
soft top stops the opening or closing
movement and remains in that position. This
could impair your rear view. At high speeds
the soft top may be damaged.
Reduce your speed to below 40 km/h or stop
the vehicle in accordance with the traffic
conditions. Press the soft-top switch again in
order to open or close the soft top fully.
i Make sure the soft top is dry before
closing it. Otherwise, water could enter the
interior or trunk.
Opening and closingXMake sure that the trunk partition is closed
( Y page 96).XClose the trunk lid.XTurn the key to position 2 in the ignition
lock.XOpen the cover on the lower center
console.XTo open: pull soft-top switch : until the
entire soft top is stowed away in the trunk.
The Convertible Top in Operation
message appears in the multifunction
display.
If, when opening, you drive at speeds above
40 km/h, the opening procedure is
stopped and you see the Open/Close
Convertible Top Completely message
in the multifunction display. Reduce your
speed again to below 40 km/h and pull the
soft-top switch again, to open the soft top
fully.XTo close: press and hold soft-top
switch : until the soft top is fully closed.
The Convertible Top in Operation
message appears in the multifunction
display.
If, when closing, you drive at speeds above
40 km/h, the closing procedure is stopped
and you see the Open/Close
Convertible Top Completely message
in the multifunction display. Reduce your
speed again to below 40 km/h and pull the
soft-top switch again, to close the soft top
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Opening and closing with the key
Important safety notes
GRisk of injury
Make sure nobody can be trapped or injured
by moving parts such as the soft-top linkage
or soft-top compartment cover when opening
or closing the soft top.
If there is a risk of entrapment, immediately
release the % or & button on the
SmartKey. The soft-top mechanism stops
immediately.
Opening and closing
iThe key must be near the handle of the
driver's door.
XPoint the tip of the SmartKey at the driver's
door handle.
XTo open: press and hold the % button
on the key until the soft top is fully opened.
The Convertible Top in Operation
message appears in the multifunction
display. The seat ventilation is switched on.
The rear side windows open.
XTo close: press and hold the & button
on the key until the soft top is fully closed.
The Convertible Top in Operation
message appears in the multifunction
display. The soft top and the side windows
close.
Closing the soft top manually
If the soft top cannot be closed automatically,
check the following points:
Ris the trunk partition engaged
(Y page 96)?
Rare the head restraints on the rear bench
seats extended?
Ris the trunk lid closed?
Ris the on-board voltage sufficient?
Start the engine if necessary.
If automatic operation still does not work, the
soft top can be closed manually.
This work must be performed by two persons.
iClosing the soft top manually is a
complex, technically demanding process
which requires a great deal of force. Only
close the soft top manually in extreme
emergencies. In these situations, it is
better to get in touch with a qualified
specialist workshop, e.g. an authorized
Mercedes-Benz Center.
GRisk of injury
Remove wristwatches and any jewelry such
as rings or bracelets. You could otherwise get
caught, be injured and damage the vehicle.
Always grip the soft top at the indicated
gripping points when closing the soft top
manually. You could otherwise be injured.
XDepress the parking brake.XOpen the side windows.XLower the head restraints (automatically
(Y page 109) or manually (Y page 109)).
XRemove the key from the ignition lock.XOpen the trunk.XTake the two straps out of the vehicle tool
kit (Y page 287).
XTake the Allen key out of the Operator's
Manual wallet and keep it with you.
XTo open the cover on the left hand side
in the trunk: turn rotary catch : counter-
clockwise and fold down cover ;.
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XWith your hand flat, press down the
material tensioning frame until it rests on
soft-top support M of the soft-top
compartment cover.GRisk of injury
You could trap your hands.
Do not push the soft-top compartment cover
forwards in front of the soft-top support with
your hands.
XWith your hand flat, press the soft-top
compartment cover forwards/downwards
on both sides simultaneously until it
engages in the guide. Apply your hands to
the points indicated with arrows.
At the same time, press the material
tensioning frame gently downwards with
your flat hand.NTo lockXInsert the Allen key into the roof lock.XTurn the Allen key counter-clockwise N as
far as possible.XHave the soft-top mechanism repaired
immediately at a qualified specialist
workshop, e.g. an authorized Mercedes-
Benz Center.
i Press the soft-top compartment cover
again if the trunk lid cannot be opened.
! Do not under any circumstances open the
trunk lid with the emergency key. You could
otherwise damage the trunk lid and the
soft-top compartment cover.
Relocking the soft top
The soft top is not locked if:
R the Convertible Top in Operation
message appears in the multifunction
display.
R you hear a warning tone for up to ten
seconds when pulling away or while driving.
GWarning
Stop the vehicle in a safe location as soon as
it is safe to do so and lock the soft top before
continuing to drive. You could otherwise
endanger yourself and others.
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Vehicle equipment
i This manual describes all the standard
and optional equipment of your vehicle
which was available at the time of
purchase. Country-specific differences are
possible. Bear in mind that your vehicle
may not feature all functions described
here. This also refers to safety-related
systems and functions.
Correct driver's seat position
Observe the important safety notes on
( Y page 107).
XCheck whether you have adjusted seat =
properly.
Electrical seat adjustment ( Y page 108)
When adjusting the seat, make sure:
R you are as far away from the driver's air
bag as possible.
R you are sitting in a normal upright
position.
R you can fasten the seat belt properly.
R you have moved the backrest to an
almost vertical position.R you have set the seat cushion angle so
that your thighs are gently supported.
R you can depress the pedals properly.XCheck whether the head restraint is
adjusted properly ( Y page 108).
When doing so, make sure that you have
adjusted the head restraint so that the back
of your head is supported at eye level by
the center of the head restraint.
Observe the important safety notes on
( Y page 113).
XCheck whether steering wheel : is
adjusted properly.
Adjusting the steering wheel electrically
( Y page 113)
When adjusting the steering wheel, make
sure:
R you can hold the steering wheel with your
arms slightly bent.
R you can move your legs freely.
R you can see all the displays in the
instrument cluster clearly.
Observe the important safety notes on
( Y page 53).
XCheck whether you have fastened seat
belt ; properly ( Y page 54).
The seat belt should:
R fit snugly across your body
R be routed across the middle of your
shoulder
R be routed in your pelvic area across the
hip jointsXBefore starting off, adjust the rear-view
mirror and the exterior mirrors
( Y page 114) in such a way that you have
a good view of road and traffic conditions.XVehicles with memory function: save the
seat, steering wheel and exterior mirror
settings ( Y page 116).106Correct driver's seat positionSeats, steering wheel and mirrors
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