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344 Breakdown assistance
Observe the following points during starting
assistance and when charging the battery:
Only use undamaged jump lead/charging
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cables with a sufficient cross-section and
insulated terminal clamps.
Non-insulated parts of the terminal clamps
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must not come into contact with other metal
parts while the jump lead/charging cable is
connected to the battery/jump-start connec‐
tion point.
The jump lead/charging cable must not
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come into contact with any parts which may
move when the engine is running.
Always make sure that neither you nor the
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battery is electrostatically charged.
Keep away from fire and naked flames.
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Do not lean over the battery.
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Observe the additional following points when
charging the battery:
Only use battery chargers tested and
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approved for Mercedes-Benz.
Read the battery charger's operating instruc‐
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tions before charging the battery.
Observe the additional following points during
starting assistance:
Starting assistance may only be provided
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using vehicles, batteries or other jump start
devices with a nominal voltage of 12 V.
The vehicles must not touch.
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Vehicles with a petrol engine: jump-start
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the vehicle only when the engine and exhaust
system are cold.
Starting assistance and charging the 12 V
battery
Preparing starting assistance/charging
Secure the vehicle by applying the electric
#
parking brake.
Shift the transmission to position j.
#
Switch off the ignition and all electrical con‐
#
sumers.
Open the bonnet.
#
Fold cover
1
up in the direction of the
#
arrow.
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