Display messages
Possible causes/consequences and
X
X Solutions Blind
Spot
Assist currently
unavaila‐
ble See
Owner's
Manual
Blind Spot Assist* is temporarily inoperative if:
R
you have established the electrical connection between a
trailer and your vehicle.
R the sensors in the bumpers are dirty.
R its function is impaired due to heavy rain or snow.
R the radar sensor system is outside the operating tempera-
ture range.
R the radar sensor system has switched off automatically, for
example in the vicinity of a radio telescope facility.
X When towing a trailer, confirm the display message with
a.
When driving without a trailer:
Blind Spot Assist* is operational again and the display mes-
sage disappears when:
R the dirt (e.g. slush) drops away while you are driving.
R the system detects that the sensors are fully available
again.
R the radar sensor system is back within the operating tem-
perature range.
If the display message continues to be shown:
X Clean the bumpers (Y page 243).
X Restart the engine. Cruise
control
and SPEED‐
TRONIC inopera‐
tive Cruise control and Speedtronic are malfunctioning. A warning
tone also sounds.
X
Visit a qualified specialist workshop. Cruise
control - - - km/h A condition for activating cruise control has not been fulfilled.
You have tried to store a speed below 30 km/h, for example.
X
Activate ESP ®
(Y page 61)
X If conditions permit, drive faster than 30 km/h and store
the speed (Y page 138). 262
Display
messagesPractical advice
* optional
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X
Slide cover :of positive terminal ;in
the direction of the arrow .
X Connect positive terminal ;on your vehi-
cle to positive terminal =of donor battery
B using the jump lead, beginning with your
own battery.
X Start the engine of the donor vehicle and
run it at idling speed.
X Connect negative terminal ?of donor bat-
tery Bto earth point Aof your vehicle
using the jump lead, Connect donor bat-
tery Bfirst.
X Start the engine.
X First, remove the jump lead from earth
point Aand negative terminal ?, then
from positive terminal ;and positive ter-
minal =, each time disconnecting from the
battery on your own vehicle first.
X Have the battery checked at a qualified
specialist workshop, e.g. a Mercedes-Benz
Service Centre. Towing and tow-starting
Points to remember
G
Risk of accident
If you have the vehicle towed, you must use a
rigid towing bar if:
R the engine is not running.
R there is a brake system malfunction.
R there is a malfunction in the power supply
or the vehicle's electrical system.
The power steering and the brake force boos-
ter do not work when the engine is not run-
ning. Greater braking force will then be
required and brake pedal travel will be longer.
If necessary, depress the brake pedal with full
force.
Before towing away, make sure that the steer-
ing can be moved and is not locked.
If you tow or tow-start another vehicle, its
weight must not exceed the maximum per-
missible gross vehicle weight of your vehicle. G
Risk of accident
The vehicle is braked when the HOLD function
or Distronic Plus* is activated. Therefore, 324
Towing and tow-startingPractical advice
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deactivate HOLD and Distronic Plus if the
vehicle is to be towed.
It is better to have the vehicle transported
than to have it towed.
When towing, observe the legal requirements
in all countries concerned.
! When towing, pull away slowly and
smoothly. If the tractive power is too high,
the vehicles could be damaged.
! Do not use the towing eye for recovery,
as this could damage the vehicle. If in
doubt, recover the vehicle with a crane.
! You may tow the vehicle for a maximum
of 50 km. A towing speed of 50 km/ hmust
not be exceeded.
For towing distances over 50 km, the entire
vehicle must be lifted up and transported.
! On vehicles with KEYLESS GO*, use the
key instead of the Start/Stop button. Turn
the key to position 2in the ignition lock and
shift the automatic transmission to N. Then
turn the key back to 0and leave it in the
ignition lock.
! Only secure the tow cable or towing bar
to the towing eyes. You could otherwise
damage the vehicle.
R Vehicles with an automatic transmission*
must not be tow-started.
R Vehicles with 4MATIC* must not be towed
with the front or rear axle raised.
R If you are towing the vehicle over a longer
distance, this must be done with the rear
axle raised.
R The ignition must be switched off if you are
towing the vehicle with the rear axle raised.
Otherwise, intervention by ESP ®
could
damage the brake system.
R If the vehicle has suffered transmission
damage, only tow it with the propeller shaft
disconnected. R
If the engine does not start, try jump-start-
ing it (Y page 323).
R If it is not possible to jump-start the vehicle,
have it towed to the nearest qualified spe-
cialist workshop, e.g. a Mercedes-Benz
Service Centre.
R The automatic transmission must be in
position Nwhen the vehicle is being towed.
R Before towing the vehicle, make sure that
the battery is connected and charged. Oth-
erwise:
-you cannot switch on the ignition.
- you cannot shift the transmission to posi-
tion Non vehicles with automatic trans-
mission*.
- you have no support when braking.
i Switch off the automatic locking feature
before the vehicle is towed (Y page 134).
Otherwise, you could be locked out when
pushing or towing the vehicle. Fitting the towing eye
Vehicles with a trailer tow hitch*: if you
intend to use the vehicle for towing, fold out
the ball coupling and connect the towbar
(Y page 234) to this. Towing and tow-starting
325Practical advice
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Opening the covers
The mountings for the removable towing eyes
are located in the bumpers. They are located
at the front and rear behind covers. Saloon (example)
X
Press cover :inwards on the marking in
the direction of the arrow.
X Take cover :off the opening but do not
remove it.
Securing the towing eye X
Take the towing eye and the wheel wrench
from the vehicle tool kit (Y page 249).
X Screw in the towing eye clockwise to the
stop.
X Insert the wheel wrench handle into the
towing eye and tighten it. Towing the vehicle
! You may tow the vehicle for a maximum
of 50 km. A towing speed of 50 km/hm ust
not be exceeded.
For towing distances over 50 km, the entire
vehicle must be lifted up and transported. !
The engine must be switched off (key in
ignition lock in position 0or position 1) if
the vehicle is being towed with the front
axle raised or if the parking brake is being
tested on a dynamometer. Otherwise,
intervention by ESP ®
could damage the
brake system.
Vehicles with manual transmission X
Turn the key to position 2(Y page 75) in
the ignition lock.
X Fully depress the clutch pedal.
X Shift to neutral.
Vehicles with automatic transmission* X
Turn the key to position 2(Y page 75) in
the ignition lock.
X Shift the transmission to position N. Tow-starting (emergency engine
starting)
Please note:
R Vehicles with an automatic transmission*
must not be tow-started.
R The battery must be connected.
R The engine and catalytic converter must be
cold.
R Avoid repeated and lengthy starting
attempts.
Vehicles with manual transmission X
Turn the key to position 2(Y page 75) in
the ignition lock.
X Fully depress the clutch pedal.
X Shift to neutral.
X Tow the vehicle or let it roll.
X Shift to a suitable gear and bring the clutch
pedal up slowly. Do not depress the accel-
erator pedal.
The engine is started. 326
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Removing the towing eye
X Take the wheel wrench from the vehicle
tool kit (Y page 249).
X Insert the wheel wrench handle into the
towing eye and turn it anti-clockwise.
X Unscrew the towing eye.
X Replace the cover and press it until it
engages.
X Return the towing eye and the wheel
wrench to the vehicle tool kit. Transporting the vehicle
The towing eyes or trailer coupling* can be
used to pull the vehicle onto a trailer or trans-
porter if you wish to transport it.
! Only secure the vehicle by the wheels or
wheel rims, not by parts of the vehicle such
as axle or steering components. Otherwise,
the vehicle could be damaged.
Vehicles with manual transmission X
Shift to neutral.
Vehicles with automatic transmission* X
Turn the key to position 2(Y page 75) in
the ignition lock.
X Move the transmission to position N.Fuses
Notes on changing fuses
The fuses in your vehicle serve to close down
faulty circuits. If a fuse blows, all the compo-
nents on the circuit and their functions will
fail.
Blown fuses must be replaced with fuses of
the same rating, which you can recognise by
the colour and value. The fuse ratings are lis-
ted in the fuse allocation chart. A Mercedes- Benz Service Centre will be happy to advise
you. G
Risk of fire
Only use fuses that have been approved for
Mercedes-Benz vehicles and which have the
required fuse rating for the systems con-
cerned. Do not attempt to repair or bridge
faulty fuses. A circuit overload could other-
wise cause a fire. Have the cause traced and
rectified at a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre.
If the newly inserted fuse also blows, have the
cause traced and rectified at a qualified spe-
cialist workshop, e.g. a Mercedes-Benz
Service Centre.
! Only use fuses that have been approved
for Mercedes-Benz vehicles and which
have the correct fuse rating for the system
concerned. Otherwise, components or sys-
tems could be damaged.
The fuses are located in various fuse boxes:
R fuse box in the engine compartment on the
driver's side
R fuse box in the boot/luggage compartment
on the right-hand side of the vehicle
Fuse allocation chart The fuse allocation chart is located with the
vehicle tool kit (Y
page 249) in the stowage
compartment under the boot/luggage com-
partment floor. Before changing a fuse
X Park the vehicle.
X Switch off all electrical consumers.
X Remove the key from the ignition lock. Fuse box in the engine compartment
X Make sure that the windscreen wipers are
turned off. Fuses
327Practical advice
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Vehicle identification plate illustration
:
Vehicle identification plate
; Vehicle manufacturer
= EU type approval number
? Vehicle identification number (VIN)
A Maximum permissible gross vehicle
weight
B Maximum permissible towing weight
C Maximum permissible front axle load
D Maximum permissible rear axle load
E Paint code Vehicle identification number (VIN)
In addition to being stamped on the vehicle
identification plate, the vehicle identification
number (VIN) is also stamped onto the vehicle
body. It is located on the floor in front of the
right-hand front seat. X
Slide the right-hand front seat to its rear-
most position.
X Fold floor covering :upwards.
You will see vehicle identification number
(VIN) ;. Engine number
The engine number is stamped on the crank-
case. More information can be obtained from
any Mercedes-Benz Service Centre. Service products and capacities
Service products include the following:
R fuels (e.g. petrol, diesel)
R exhaust gas aftertreatment additive
(AdBlue ®
)
R lubricants (e.g. engine oil, transmission oil)
R coolant
R brake fluid
R windscreen washer concentrate
Mercedes-Benz recommends that you only
use products which have been tested and
specially approved by Mercedes-Benz for
your vehicle and which are listed in this
Mercedes-Benz Owner's Manual in the rele-
vant chapter since:
R parts and service products are matched.
R damage caused by the use of non-approved
service products is not covered by the
implied warranty.
You can recognise service products approved
by Mercedes-Benz by the following inscrip-
tion on the containers:
R MB-Freigabe (e.g. MB-Freigabe 229.51)
R MB Approval (e.g. MB Approval 229.51)
Other designations or recommendations that
relate to a level of quality or a specification in
accordance with an MB Sheet number (such Service products and capacities
333Technical data
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R
at very low temperatures
R in urban traffic
R on short trips
R when towing a trailer
R in mountainous terrain
i Only for certain countries: the respective
current consumption and emission values
of your vehicle can be found in the COC
papers (EC CERTIFICATE OF CONFORM-
ITY). These documents are supplied when
the vehicle is delivered.
The consumption figures for vehicles falling
under the EURO4 standard have been
determined in accordance with EU Direc-
tive 80 /1268 /EEC while figures for vehi-
cles falling under the EURO5 standard have
been determined in accordance with Reg-
ulation (EC) No. 715 / 2007, in each case
based on the currently applicable version.
The values do not refer to a specific vehicle.
Deviations from these values may occur
under normal operating conditions.
! Do not use any special additives, as they
can cause malfunctions and engine dam-
age. Damage resulting from the use of such
additives is not covered by the Mercedes-
Benz implied warranty. H
Environmental note
CO 2(carbon dioxide) is the gas which scien-
tists believe to be principally responsible for
global warming (the greenhouse effect). Your
vehicle's CO 2emissions are directly related to
fuel consumption and therefore depend on:
R efficient use of the fuel by the engine
R driving style
R other non-technical factors, such as envi-
ronmental influences or road conditions
You can minimise your vehicle's CO 2emis-
sions by driving carefully and having it serv-
iced regularly. AdBlue
®
i For BlueTEC vehicles only.
AdBlue ®
is a non-flammable, non-toxic, col-
ourless and odourless water-soluble fluid.
! Only use AdBlue ®
compliant with ISO
22241. The use of special additives is not
permitted.
! Surfaces, such as carpets or paintwork,
which come into contact with AdBlue ®
while refilling should be rinsed immediately
with plenty of water. Immediately after
spilling, remove AdBlue ®
using a damp
cloth and cold water. If AdBlue ®
has
already crystallised, use a sponge and hot
water to clean it off. AdBlue ®
residues crys-
tallise after a certain period of time and soil
the affected surfaces.
High outside temperatures If AdBlue
®
is heated to above 50 † for an
extended period of time, e.g. as a result of
direct sunlight on the AdBlue ®
tank,
AdBlue ®
may decompose. Ammonia vapours
develop as a result. G
Risk of injury
Ammonia vapours may escape if the
AdBlue ®
tank cap is opened at high tempera-
tures. Ammonia vapours have a pungent
odour and are particularly irritating to the
skin, to mucous membranes and to the eyes.
You may experience a burning sensation in
your eyes, nose and throat, as well as cough-
ing and watering of the eyes.
Do not inhale ammonia vapours.
Low outside temperatures AdBlue
®
freezes at a temperature of approx-
imately –11 †. The vehicle is equipped with
an AdBlue ®
preheating system at the factory.
Winter operation is therefore also guaranteed
at temperatures below –11 †. Service products and capacities
335Technical data
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