2007 MERCEDES-BENZ C-CLASS SALOON Owners Manual

Battery
32
6 Battery in the engine compartment
1
Batter y
2 Positive terminal
3 Negative terminal
4 Breather hos e Battery in the boo
t
1 Positive terminal
2 Battery
3 Negative terminal
4 Breather hos e Disconnecting the batter
y G
Risk of accident
If the battery is disconnected:
R there is no brake boosting effect and yo u
will need to apply more pressure to brak e
and the brake pedal travel will be longer ; you may have to depress the brake peda
l
with full force
R you can no longer turn the key in the igni-
tion and with KEYLESS GO*, pressing th e
KEYLESS GO button* on the selector
lever will have no effect
R the selector lever is locked in position P
on vehicles with automatic transmis-
sion*
! Always disconnect the battery in the
sequence described below. Never swap the
terminal clamps. You may otherwise dam-
age the vehicle electronics.
Vehicles with the battery in the engine
compartment:
X Firmly depress the parking brake and shift
the selector lever to position Pon vehicles
with automatic transmission*.
X Switch off all electrical consumers .
X Turn the key to position 0in the ignition
lock and remove it.
X Open the bonnet.
X Remove the retaining clamps on the cover .
X Remove the negative terminal clamp from
the battery. Practical advice
* optional
204_AKB; 2; 3, en-GB
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6

Battery
32
7
X
Remove the cover from the positive termi-
nal clamp.
X Remove the positive terminal clamp from
the battery.
X Disconnect the breather hose .
Vehicles with the battery in the boot/lug -
gage compartment :
X Firmly depress the parking brake and shift
the selector lever to position Pon vehicles
with automatic transmission*.
X Switch off all electrical consumers .
X Turn the key to position 0in the ignition
lock and remove it.
X Open the boot/luggage compartment.
X Remove the negative terminal clamp from
the battery.
X Remove the cover from the positive termi-
nal clamp.
X Remove the positive terminal clamp from
the battery.
X Disconnect the breather hose . Removing the battery
X Disconnect the battery (Y page 326).
X Loosen the screw which holds the battery
in place.
X Remove the battery. Charging and fitting the batter
y G
Risk of injury
Only charge the installed battery with a bat-
tery charger which has been tested and
approved by Mercedes-Benz. These battery
chargers allow the battery to be charge d
while it is still installed. Otherwise, the vehi -
cle's electronic system may be damaged.
Only charge the battery in a well-ventilate d
area. As the battery is being charged, gases
can escape and generate minor explosions.
This may injure you and other persons or
cause damage to the paintwork or acid cor-
rosion on the vehicle .
You can obtain information about battery
chargers which allow the battery to be
charged when still installed from a qualified
specialist workshop, e.g. a Mercedes-Ben z
Service Centre. G
Risk of injury
There is a risk of acid burns during the
charging process due to the gases which
escape from the battery. Do not lean ove r
the battery during the charging process.
! Only use battery chargers with a maxi-
mum charging voltage of 14.8 V.
X Charge the battery. Observe the notes in
the operating instructions for your battery
charger.
X Refit the charged battery.
To do this, follow the steps described in
"Removing the battery" (Y page 327) in
reverse order. G
Risk of injury
Battery acid is caustic. Avoid contact with
the skin, eyes or clothing . Practical advice
* optional
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Jump-starting
328 Reconnecting the battery
! Always reconnect the battery in the
sequence described below. Never swap the
terminal clamps. You may otherwise dam-
age the vehicle electronics.
X Switch off all electrical consumers .
X Connect the positive terminal clamp and
secure the cover .
X Connect the negative terminal clamp.
X Connect the breather hose. Make sure that
a cell cap is fitted between the battery and
the breather hose.
X Close the boot/luggage compartment.
i If the battery power supply has been inter-
rupted (e.g. if it has been reconnected), you
must carry out the following tasks:
R Reset the function for folding the exterio r
mirrors in/out automatically* by folding
the mirrors out once (Y page 94). Jump-starting
Jump-starting your vehicle
If your vehicle's battery is discharged, the
engine can be jump-started from another
vehicle or from an external battery using jump
leads.
Observe the following points:
R Jump-starting must only be performed
when the engine and catalytic converte r
are cold.
R Do not start the engine if the battery ha s
frozen. Thaw the battery out first.
R Jump-starting may only be performed from
12V batteries .
R Only use jump leads which are protected
against polarity reversal and which have a
sufficient cross-section and insulated ter-
minal clamps.
i Jump leads which are protected against
polarity reversal and further informatio n
about jump-starting can be obtained from
any Mercedes-Benz Service Centre.
! Avoid repeated and lengthy starting
attempts. Never start the vehicle using a rapid battery
charger. G
Risk of injury
There is a risk of acid burns when jump -
starting a vehicle due to the gases which
escape from the battery. Do not lean over
the battery while the engine is being jump-
started. G
Risk of explosion
Gases escaping from the battery during
jump-starting may cause minor explosions.
Avoid creating sparks. Keep naked flames
away from the battery, and do not smoke .
Comply with safety precautions and tak e
protective measures when handling batter-
ies. You will find these under “Battery” in
the index .
X Make sure that the two vehicles do not
touch.
X Depress the parking brake.
X Manual transmission: engage neutral.
X Automatic transmission*: move the
selector lever to P.
X All vehicles: switch off all electric consum-
ers . Practical advice
* optional
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Towing and tow-startin
g 329
The positive and negative contacts are loca-
ted on the front bulkhead on the right-han d
side of the vehicle. 1
Positive terminal of donor batter y
2 Cove r
3 Positive contact on your vehicle
4 Negative contact on your vehicle
5 Negative terminal of donor battery
X Slide cap 2of positive contact 3in the
direction of the arrow.
X Attaching the jump-start cable to the donor
battery first, connect positive terminal 1
of the donor battery and positive contact
on your vehicle 3.
X Start the engine of the donor vehicle and
run it at idling speed . X
Attaching the jump-start cable to the donor
battery first, connect negative terminal 5
of the donor battery and negative contact
on your vehicle 4.
X Start the engine.
X Electrical consumers can be switched on
again. Do not switch the lights on however ,
as this will overload the battery.
X First disconnect the jump lead from nega -
tive terminals 4and 5, then from positiv e
terminals 1and 3.
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 tow the vehicle, you must use a rigid
towing bar if:
R the engine is not running
R there is a brake system malfunctio n
R the voltage supply or the vehicle's elec-
trical system is damage d
There is no power assistance for the steer-
ing when the engine is not running.
It is better to have the vehicle transported
than to have it towed.
When towing, observe the legal requirement s
in all countries concerned.
! You may tow the vehicle for a maximum
of 50 km. A towing speed of 50 km/h must
not be exceeded.
With towing distances over 50 km, the
entire vehicle needs to be lifted up and
transported.
! Only secure the tow cable or towing bar
to the towing eyes. You may otherwise
damage the vehicle. Practical advice
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Towing and tow-startin
g330
R
Vehicles with an automatic transmission*
must not be tow-started.
R If the engine does not start, try jump-start-
ing it (Y page 328).
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-Ben z
Service Centre.
R If the vehicle has suffered transmission
damage, only tow it with the propeller shaft
disconnected.
R The selector lever must be in position Non
vehicles with automatic transmission*.
R If you are towing the vehicle over a consid-
erable distance, this may only be done with
the rear axle raised.
R The ignition must be switched off if you are
towing the vehicle with the front/rear axle
raised. Intervention by ESP ®
could other-
wise damage the brake system.
R Vehicles with 4MATIC* may not be towed
with the front or rear axle raised.
R Before towing the vehicle, make sure that
the battery is connected and charged. Oth-
erwise : -
You cannot switch on the ignition
- You cannot move the selector lever
to N(on vehicles with automatic trans-
mission*)
- You have no support when braking
i Switch off the automatic locking feature
before the vehicle is towed. You could oth-
erwise be locked out when pushing or tow -
ing the vehicle.
Deactivate tow-away protection befor e
towing (Y page 71). Fitting the towing eye
Vehicles with a trailer coupling: your vehi-
cle does not have a rear threaded socket for
mounting the towing eye. If you intend to use
the vehicle for towing, fold out the ball cou-
pling and secure the towline to it
( Y page 220).
Opening the front cover The fixtures for the removable towing eyes
are located in the bumpers. They are locatedat the front and rear under the covers on the
right-hand side of the vehicle.
Front bumper
1
Cove r
X Press the mark on cover 1inwards.
X Take cover 1off the opening but do not
remove it. Practical advice
* optional
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Towing and tow-startin
g 331
Opening the rear cover
Rear bumper
1
Cove r
X Press the mark on cover 1inwards.
X Take cover 1off 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 234).
X Screw in the towing eye clockwise to the
stop .
X Insert the wheel wrench handle into the
towing eye and tighten. Towing the vehicle
! Vehicles with 4MATIC* may not be towed
with the front or rear axle raised.
! If the vehicle is to be towed with the front
or rear axle raised, the ignition must be
switched off (key in position 0or 1in the
ignition lock). Application of the brakes by
ESP ®
could otherwise destroy the brake
system on the front or rear axle.
Vehicles with manual transmission X
Turn the key to position 2in the ignition
lock .
X Shift to neutral .
Vehicles with automatic transmission * X
Turn the key to position 2in the ignition
lock .
X Move the selector lever to 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 2in the ignition
lock .
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. Practical advice
* optiona l
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Fuse
s 332 Removing the towing eye
X Take the wheel wrench from the vehicle
tool kit (Y page 234).
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 whee l
wrench to the vehicle tool kit .Transporting the vehicle
The towing eyes can be used to pull the vehi-
cle onto a trailer or transporter for transport-
ing purposes.
! Only lash the vehicle down by the wheels
or wheel rims, not by parts of the vehicl e
such as axle or steering components. The
vehicle could otherwise be damaged.
Vehicles with manual transmission X
Shift to neutral . Vehicles with automatic transmission
* X
Turn the key to position 2in the ignition
lock .
X Move the selector lever to 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 .
i Blown fuses must be replaced with fuses
of the same rating (which can be recog -
nised by the colour and amperage) and
which have the amperage specified 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 correct amperage for the system con-
cerned. Do not attempt to repair or bridge
faulty fuses. A circuit overload could other-
wise cause a fire. Have the cause trace d
and rectified at a qualified specialist work -
shop, 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. Practical advice
* optional
204_AKB; 2; 3, en-GB
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Fuse
s 333
!
Only use fuses that have been approved
for Mercedes-Benz vehicles and which
have the correct amperage for the system
concerned. Otherwise, components or sys-
tems could be damaged.
The fuses are located in various fuse boxes :
R Dashboard fuse box* on driver's side
R Fuse box in the engine compartment on the
driver's sid e
R Fuse box in the boot/luggage compart-
ment on the right-hand side of the vehicle
Fuse allocation chart The fuse allocation chart is located with the
vehicle tool kit (Y page 234) in the stowage
compartment under the boot/luggage com-
partment floor. The fuse amperage is also
indicated there. 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 dashboard*
1
Cove r
2 To remove the cover
3 To release the cover
X To open: open the driver’s door.
X Pull out cover 1slightly at the bottom
3 .
X Pull cover 1outwards and remove it 2.
X To close: clip in cover 1at the front. X
Fold cover 1inwards until it engages.
X Close the driver's door . Fuse box in the engine compartment
X Make sure that the windscreen wipers are
turned off. G
Risk of injury
Make sure that the windscreen wipers are
turned off and the key is pulled out of the
ignition lock before you open the cover of
the fuse box. Otherwise, the windscreen
wipers and their wiper rods above the cove r
could be set in motion. This could lead to
parts of the body being trapped by the
wiper rods.
X To open: open the bonnet (Y page 206). Practical advice
* optional
204_AKB; 2; 3, en-GB
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