
Activating/deactivating the rea
rview
camera X
To activate: make sure that the SmartKey
is in position 2in the ignition lock.
X Make sure that in the audio system/
COMAND, the "Activation by R gear"
function is selected; see the separate
operating instructions for the audio
system/COMAND.
X Engage reverse gear.
Guide lines are used to show the area
behind the vehicle in the Audio/COMAND
display.
To deactivate: the rear view camera is
deactivated if you:
R selec ttransmission position P(vehicles
with automatic transmission)
R drive forward ten meters
R shift the transmission from Rto another
position (after 15 seconds)
R drive forwards at a speed of over 5mph
(10km/h)
Displays in the Audio/COMAND display The rear view camera may show a distorted
view of obstacles, show them incorrectly or
not at all. The rear view camera does not show
objects in the following positions:
R
very close to the rear bumper
R under the rear bumper
R in the area immediately above the tailgate
handle
! Objects not at ground level may appear to
be further away than they actually are, e.g.:
R the bumper of a parked vehicle
R the drawbar of a trailer
R the ball coupling of a trailer tow hitch
R the rear section of an HGV
R a slanted post
Use the guidelines only for orientation.
Approach objects no further than the
bottom-most guideline. Lanes
:
White guide line without turning the
steering wheel, vehicle width including
the exterior mirrors (static)
; Yellow lane marking tires at current
steering wheel angle, vehicle width to the
outer side of the wheels (dynamic)
= Red guide line for the vehicle width
including the exterior mirrors, for current
steering wheel angle (dynamic)
? Bumper Guide lines
?
Bumper
A Red guide line at a distance of
approximately 12 in (0.30 m) from the
rear of the vehicle
B Yellow guide line approximately 13 ft
(4 m) away from the rear of the vehicle
C Vehicle center axle (marker assistance)
D Yellow guide line approximately 3ft(1m)
away from the rear of the vehicle
The lanes and guide lines are only displayed
if you have engaged revers egear. Driving systems
169Driving and parking Z

Display messages Possible causes/consequences and
M Solutions
!
Please Release
Parking Brake The red
!indicato rlamp flashes and a warning tone sounds.
A condition for automatic release of the electric parking brake is
no tfulfilled ( Ypage 142).
You are driving with the electric parking brake applied.
X Release the electric parking brake manually. The red
!indicator lamp flashes and a warning tone sounds.
You are making an emergency stop using the electric parking
brake (Y page 142). !
Parking Brake See
Operator's Manual The yellow
!warning lamp lights up.
The electric parking brake is malfunctioning.
To apply:
X Switch the ignition off.
X Press the electric parking brake handle for at least te nseconds.
X Shift the transmission to P.
X Consult a qualified specialist workshop. The yellow
!warning lamp and the red !indicator lamp
are lit.
The electric parking brake is malfunctioning.
To release:
X Switch off the ignition and turn it back on.
X Release the electric parking brake manually.
or
X Release the electric parking brake automatically ( Ypage 142).
If the electric parking brake still cannot be released:
X Do not drive on.
X Consult a qualified specialist workshop. Display messages
197On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
The red
!indicato rlamp flashes and the yellow !warning
lamp is lit.
The electric parking brake is malfunctioning.
To release:
X Switch off the ignition and turn it back on.
X Release the electric parking brake manually.
To apply:
X Switch off the ignition and turn it back on.
X Apply the electric parking brake manually.
If the red !indicator lamp continues to flash:
X Do not drive on.
X Secure the vehicle against rolling away ( Ypage 313).
X Shift the transmission to P.
X Turn the fron twheels towards the curb.
X Consult a qualified specialist workshop. The yellow
!warning lamp lights up. The red !indicator
lamp flashes for about ten seconds after the electric parking brake
has been applied or released. It then goes out or remains lit.
The electric parking brake is malfunctioning.
X Switch off the ignition and turn it back on.
X Apply the electric parking brake.
If it is not possible to engage the electric parking brake:
X Shift the transmission to P.
X Visit a qualified specialist workshop.
If it is not possible to release the electric parking brake:
X Release the electric parking brake automatically (Y page 142).
If the electric parking brake still cannot be released:
X Consult a qualified specialist workshop. The yellow
!warning lamp lights up. If you manually apply or
release the electric parking brake, the red !indicator lamp
flashes.
The electric parking brake is malfunctioning. It is not possible to
apply the electric parking brake manually.
X Shift the transmission to Pas the electric parking brake is not
being applied automatically.
X Visit a qualified specialist workshop. 198
Display messagesOn-board computer and displays

Vehicle
Display messages Possible causes/consequences and
M Solutions
Shift to 'P' or 'N'
to Start Engine You have attempted to start the engine with the transmission in
position
Ror D.
X Shift the transmission to position Por N. Auxiliary Battery
Malfunction The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit a qualified specialist workshop at the next opportunity.
X Until then, set the automatic transmission to position Pbefore
you switch off the engine.
X Before leaving the vehicle, apply the electri cparking brake. Depress Brake to
Start Engine You have attempted to start the engine with the transmission in
position
Nwithout depressing the brak epedal.
X Depress the brake pedal. To Deselect P or
N,
Depress Brake and
Start Engine You have attempted to shift the transmission to position
Ror D
without starting the engine.
X Start the engine.
X Depress the brake pedal. i
It is only possible to shift the transmission from position Pto
the desired position if you depress the brake pedal. Only then
can the parking lock be deactivated. If you do not depress the
brake pedal, you can move the DIRECT SELECT lever but the
parking lock remains engaged.
i At transmission fluid temperatures below Ò4 ‡ (Ò20 †) you
can only shift out of position Pinto another transmission
position when the engine is running. Apply Brake to
Shift from 'P' You have attempted to move the transmission selector lever to
position
R,Nor Dwithout depressing the brake pedal.
X Depress the brake pedal. Transmission Not
in P
Risk of Vehicle
Rolling Away The driver's door is open and the transmission is in position
R,N
or D.
Aw arning tone also sounds.
X Shift the transmission to position P.
X Secure the vehicle against rolling away ( Ypage 141). Display messages
215On-board computer and displays Z

Display messages Possible causes/consequences and
M Solutions
Service Required
Do Not Shift Gears
Visit Dealer You canno
tchange the transmission position due to a malfunction.
Aw arning tone also sounds.
If transmission position Dis selected:
X Drive to a qualified specialist workshop without shifting the
transmission from position D.
If transmission position R,Nor Pis selected:
X Notify a qualified specialist workshop or breakdown service. Only Shift to 'P'
when Vehicle is
Stationary The vehicle is moving.
X
Pull ove rand stop the vehicle safely as soo nas possible, paying
attention to road and traffic conditions.
X Shift the transmission to position P.Reversing Not
Possible Service
Required The automatic transmission is malfunctioning. You cannot back
up.
X
Visit a qualified specialist workshop. Transmission
Malfunction The automatic transmission is malfunctioning.
X
Visit a qualified specialist workshop. Transmission
Malfunction Stop The automatic transmission is malfunctioning.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 141).
X Consult a qualified specialist workshop. Stop Vehicle Shift
to P Leave Engine
Running The automatic transmission has overheated.
X
Drive on carefully.
The automatic transmission is available againw hen the display
message goes out.
If the display message continues to be displayed:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 141).
X Wait until the automatic transmission has cooled down and the
display message has disappeared. 216
Display messagesOn-board computer and displays

Safety systems
Problem Possible causes/consequences and
M Solutions
J
The red brake system
warning lamp comes on
while the engine is
running. A warning tone
also sounds.
There is not enough brake fluid in the brake fluid reservoir.
G WARNING
The braking effect may be impaired.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 141).
X Do not add brake fluid. Topping up will not remedy the
malfunction.
X Consult a qualified specialist workshop.
X Observe the additional display messages in the multifunction
display. !
The yellow ABS warning
lamp is lit while the
engine is running.
ABS (Anti-lock Brake System) is deactivated due to a malfunction.
BAS (Brake Assist), COLLISION PREVENTION ASSIST, ESP
®
(Electronic Stability Program), PRE-SAFE ®
,t he HOLD function and
hill start assist, for example, are therefore also deactivated.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely
affected. The braking distance in an emergency braking situation
can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit a qualified specialist workshop.
If the ABS control unit is faulty, there is also a possibility that other
systems, such as the navigation system or the automatic
transmission, will not be available. 220
Warning and indicator lamps in the instrument clusterOn-board computer and displays

Keep compartment lids closed. This will help
to prevent stored objects from being thrown
abouta
nd injuring vehicle occupants during
R braking
R vehicle maneuvers
R an accident
Stowage compartments in the front Glove box
X
To open: pull handle :and open glove box
flap ;.
X To close: fold glove bo xflap ;upwards
until it engages.
i There is a pen holder at the top of the
glove box flap.
Eyeglasses compartment X
To open: press marking :.
Make sure that the eyeglasses compartment
is always closed while the vehicle is in motion. Stowage compartment in the center
console
X
To open: press the marking on cover :.
i Depending on the vehicle's equipment,
there is an open instead of a closed
stowage compartmen toranashtray in the
center console.
Stowage compartment in front of the
armrest (vehicles with automatic
transmission) X
To open: press the marking on cover :.
i You can remove the non-slip mat and the
insert for cleaning. When removing the
insert, you will encounter a small amount
of resistance. Stowage areas
231Stowage and features Z

G
WARNING
The vehicle is braked when the HOLD function
or DISTRONIC PLUS is activated. Therefore,
deactivate the HOLD function and DISTRONIC
PLUS before the vehicle is washed in an
automatic car wash.
! Never cleany our vehicle in a Touchless
Automatic Car Wash as these use special
cleaning agents. These cleaning agents can
damage the paintwork or plastic parts.
! Make sure that the automatic
transmission is in position Nwhen washing
your vehicle in a tow-through car wash. The
vehicle could be damaged if the
transmission is in another position.
! Make sure that:
R the side windows and the sliding sunroof
are fully closed.
R the ventilation/heating is switched off
(the OFF button has been pressed/the
airflow control is set to position 0).
R the windshield wiper switch is in position
0.
Otherwise, the vehicle might be damaged.
You can wash the vehicle in an automatic car
wash from the very start.
If the vehicle is very dirty, pre-wash it before
cleaning it in an automatic car wash.
After using an automatic car wash, wipe off
wax from the windshield and the wiper
blades. This will prevent smears and reduce
wiping noises caused by residue on the
windshield.
Washing by hand In some countries, washing by hand is only
allowed at wash bays that are specially
designed for this purpose. Observe the legal
requirements in all countries concerned.
X
Do not use hot water and do not wash the
vehicle in direct sunlight.
X Use a soft sponge to clean. X
Use a mild cleaning agent, such as a car
shampoo approved by Mercedes-Benz.
X Thoroughly hose down the vehicle with a
gentle jet of water.
X Do not point the water jet directly towards
the air inlet.
X Use plenty of water and rinse out the
sponge frequently.
X Rinse the vehicle with clean water and dry
thoroughly with a chamois.
X Do not let the cleaning agent dry on the
paintwork.
When using the vehicle in winter, remove all
traces of road salt deposits carefully and as
soon as possible.
Power washers G
WARNING
Do not use power washers with circular-jet
nozzles (dirt grinders) to clean your vehicle, in
particular the tires. You could otherwise
damage the tires and cause an accident.
! Always maintain a distance of at least
11.8i n (30cm) between the vehicle and the
powerw asher nozzle. Information about
the correct distance is available from the
equipmen tmanufacturer.
Move the power washe rnozzle around
when cleaning your vehicle.
Do not aim directly at any of the following:
R tires
R door gaps, roof gaps, joints, etc.
R electrical components
R battery
R connectors
R lights
R seals
R trim
R ventilation slots
Damaged seals or electrical components
can lead to leaks or failures. 266
CareMaintenance and care