R
All vehicles except vehicles with a lithium-ion battery: do not start the engine if the battery
is frozen. Let the battery thaw first.
R
Jump-starting may be performed only using 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. This charges the battery slightly.
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 that can move when the engine is running,
such as the V-belt pulley or the fan.
X
Secure the vehicle by applying the electric parking brake.
X
Shift the transmission to position
j
.
X
Make sure that the ignition is switched off. All indicator lamps in the instrument cluster must be
off. When using the SmartKey, turn the SmartKey to position
u
in the ignition lock and remove it
(
Y
page 122).
X
Switch off all electrical consumers, e.g. rear window defroster, lighting, etc.
X
Open the hood.
Position number
C
identifies the charged battery of the other vehicle or an equivalent jump-starting
device.
X
Lift up panel
B
.
X
Slide cover
A
of positive terminal
:
in the direction of the arrow.
X
Connect positive terminal
:
on your vehicle to positive terminal
;
of donor battery
C
using the
jumper cable, Always begin with positive terminal
:
on your own vehicle first.
X
Start the engine of the donor vehicle and run it at idling speed.
X
Connect negative terminal
=
of donor battery
C
to ground point
?
of your vehicle using the
jumper cable, connecting the jumper cable to battery of other vehicle
C
first.
X
Start the engine.
X
Before disconnecting the jumper cables, let the engine run for several minutes.
Jump-starting
301
Br
eakd
own
assistance
Z
Summary of Contents for C-CLASS CABRIOLET
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