2014 MERCEDES-BENZ CL-Class hood open

clamp. Neve
rswap the terminal clamps.
Otherwise, the vehicle's electronic
system may be damaged.
R the transmission is locked in position P
after disconnecting the battery. The
vehicle is secured agains trolling away.
You can then no longer move the vehicle.
The battery and the cover of the positive
terminal clamp must be installed securely
during operation.
In order for the battery to achieve the
maximum possible service life, it must always
be sufficiently charged.
Like other batteries, the vehicle battery may
discharge over time if you do not use the
vehicle. In this case, have the battery
disconnected at a qualified specialist
workshop. You can also charge the battery
with a charger recommended by Mercedes-
Benz.C ontact a qualified specialist workshop
for further information.
Have the battery charge level checked more
frequently if you use the vehicle mainly for
short trips or if you leave it standing idle for
a lengthy period. Consult a qualified specialist
workshop if you wish to leave your vehicle
parked for a long period of time.
i Remove the SmartKey if you park the
vehicle and do not require any electrical
consumers. The vehicle will then use very
little energy, thus conserving battery
power. Charging the battery
G
WARNING
Never charge a battery still installed in the
vehicle unless a battery charger unit approved
by Mercedes-Benz is being used. Gases may
escape during charging and cause explosions
that may result in paint damage, corrosion or
personal injury.
Ab attery charge runit specially adapted for
Mercedes-Benz vehicles and tested and
approved by Mercedes-Benz is available as an accessory. It permits the charging of the
battery in its installed position. Contact an
authorized Mercedes-Benz Center for further
informatio nand availability.
Charge the battery in accordance with the
separate instructions for the battery charger. G
WARNING
There is a ris kofacid burns during the
charging process due to the gases which
escape from the battery .Do not lean over the
battery during the charging process. G
WARNING
Battery acid is caustic. Avoid contact with the
skin, eyes or clothing.
! Only charge the installed battery with a
battery charger which has been tested and
approved by Mercedes-Benz. These battery
chargers allow the battery to be charged
while still installed in the vehicle.
! Only use battery chargers with a
maximum charging voltage of 14.8 V.
! Only charge the battery using the jump-
starting connection point.
The jump-starting connection point is in the
engine compartment (Y page 445).
X Open the hood (Y page 420).
X Connect the battery charger to the positive
terminal and ground point in the same
order as when connecting the donor
battery in the jump-starting procedure
(Y page 445).
X Read the battery charger's operating
instructions before charging the battery. 444
BatteryBreakdown assistance

Jump-starting
G
WARNING
Failure to follow these directions will cause damage to the electronic components, and can lead
to a battery explosion and severe injury or death.
Never lean over batteries while connecting or jump starting. You might get injured.
Battery fluid contains sulfuric acid. Do not allow this fluid to come in contact with eyes, skin or
clothing. In case it does, immediately flush affected area with water, and seek medical help if
necessary.
Ab attery will also produce hydrogen gas, which is flammable and explosive. Keep flames or
sparks away from battery, avoid improper connectio nofjumpe rcables, smoking, etc.
Attempting to jump start a frozen battery can result in it exploding, causing personal injury.
Read all instructions before proceeding. G
WARNING
Non-combusted fuel can collect in the exhaust system and ignite. There is a risk of fire. Avoid
repeated and lengthy starting attempts.
! Avoid repeated and lengthy starting attempts. Otherwise, the catalytic converte rcould be
damaged by the non-combusted fuel.
Do not use a rapid charging device to start the vehicle. If your vehicle's battery is discharged,
the engine can be jump-started from another vehicle or from a second battery using jumper
cables. Observe the following points:
R The battery is not accessible in all vehicles. If the other vehicle's battery is not accessible,
jump-start the vehicle using a second battery or ajump-starting device.
R You may only jump-start the vehicle when the engine and catalyti cconverter are cold.
R Do not start the engine if the battery is frozen. Let the battery thaw first.
R jump-starting may only be performed from batteries with a nominal voltage of 12 V.
R Only use jumper cables which have a sufficient cross-section and insulated terminal clamps.
R If the battery is fully discharged, leave the battery that is being used to jump-start connected
for a few minutes before attempting to start.T his charges the empty battery a little.
R Make sure that the two vehicles do not touch.
Make sure that:
R the jumper cables are not damaged.
R bare parts of the terminal clamp do not come into contact with other metal parts while the
jumper cables are connected to the battery.
R the jumper cables cannot come into contact with parts such as the V-belt pulley or the fan.
These parts move when the engine is started and while it is running.
X Secure the vehicle by applying the electric parking brake.
X Shift the transmission to position P.
X Switch off all electrical consumers (e.g. radio, blower, etc.).
X Open the hood (Y page 420). Jump-starting
445Breakdown assistance Z

R
Fuse box in the engine compartment on the
left-hand side of the vehicle, whe nviewed
in the direction of travel
R Fuse box in the engine compartmen tonthe
right-hand side of the vehicle, when viewed
in the direction of travel
The fuse allocation chart is in the vehicle
document wallet. Dashboard fuse box
There is a fuse box located on both the
driver's side and the front-passenger side.
! Do not use a pointed object such as a
screwdriver to open the cover in the
dashboard. You could damage the
dashboard or the cover. Driver's side illustrated
X
To open: pull cover :outwards in the
direction of the arrow and remove it.
X To close: clip in cover :on the front of
the dashboard.
X Fold cover :inwards until it engages. Fuse box in the rear
The fuse box is behind the armrest in the rear. X
To open: fold down the armrest.
X Pull handle :on the trim behind the rear
seat armrest up in the direction of the
arrow.
X Fold down trim ;. X
Loosen cover ?with a suitable object =.
X Remove cover ?upwards in the direction
of the arrow.
! The cover must be seated properly,
otherwise moisture or dirt could impair the
function of the fuses. Fuse box in the engine compartment
Fuse box on the left in the direction of
travel X
Open the hood (Y page 420).450
FusesBreakdown assistance

X
Remove any existing moisture from the
fuse box using a dry cloth.
X AMG vehicles: remove the control unit
above the fuse box.
X To open: undo screws :with an Allen
key.
X Remove bracket =.
X Remove cover ;.
X To close: checkwhether the rubber seal is
lying correctly in cover ;.
X Put cover ;back in position.
X Replace bracket =.
X Tighten screws :using an Allen key.
! The cover must be seated properly,
otherwise moisture or dirt could impair the
function of the fuses.
X Close the hood (Y page 421).
Fuse box on the right in the direction of
travel X
Open the hood (Y page 420). X
Remove any existing moisture from the
fuse box using a dry cloth.
X To open: open clamps ;.
X Remove cover ;upwards.
X To close: check whether the rubber seal is
lying correctly in cover ;.
X Put cover ;back in position.
X Fold down cover :and close clamps ;.
! The cover must be seated properly,
otherwise moisture or dirt could impair the
function of the fuses.
X Close the hood (Y page 421). Engine emergency off
If the engine cannot be switched off as
described, observe the following procedure:
X Take the fuse allocation chart out of the
vehicle document wallet.
X Search for “Emergencye ngine shutdown”
in the fuse allocation chart.
X Remove the fuses listed under "Emergency
engine shutdown". Fuses
451Breakdo wn assis tance Z