525
Practical advice
Jump-starting
If the starter battery is discharged and the
vehicle does not start, the engine can be
jump-started from another vehicle using
jump leads. Observe the following points:
ì•« Connect the jump lead directly to the
terminal shoe on the starter battery.
Do not use the consumer battery
charging point.
ì•« Jump-starting must only be performed
when the engine and catalytic convert-
er are cold.
ì•« Do not start the engine if the battery
has frozen. Thaw the battery out first.
ì•« Jump-starting may only be performed
from 12 V batteries.
ì•« Only use jump leads which are protect-
ed against polarity reversal and which
have a sufficient cross-section and in-
sulated terminal clamps.
i Jump leads which are protected against po-
larity reversal and further information about
jump-starting can be obtained from any
Mercedes-Benz Service Centre, for example.
! Avoid repeated and lengthy starting at-
tempts. Only perform jump-starting on the bat-
tery in the engine compartment.
! Never start the vehicle using a rapid battery
charger.
왘 Make sure that the two vehicles do not
touch.
왘 Secure the vehicle using the electric
parking brake and move the transmis-
sion selector lever to P.
왘 Switch off all electrical consumers.
1 Positive terminal of own vehicle
2 Positive terminal of donor battery
3 Negative terminal of donor battery
4 Negative terminal of own vehicle
왘 Run the other vehicle’s engine at idling
speed.
왘 Connect positive terminals 1 and 2
of the two batteries with the jump lead.
Connect to battery 1 of your own ve-
hicle first.
왘 Connect one end of the jump leads to
negative terminal 3 of the donor bat-
tery and the other end 4 to a suitable
earth point on the vehicle.
Jump-starting
Jump-starting
G Risk of acid burns
Do not lean over the battery while the en-
gine is being jump-started.
G Risk of explosion
Avoid creating sparks. Keep naked flames
away from the battery, and do not smoke.
Comply with safety precautions and take
protective measures when handling batter-
ies (
컄 page 520).
P54.10-2638-31
컄컄
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