Mercedes-Benz C 300 2021, Operator'S Manual

Page: 347 / 502

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Fold cover 1 up in the direction of the
arrow.
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Slide cover 2 of positive clamp 3 on the
jump-starting connection point in the direc‐
tion of the arrow.
Starting assistance
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Connect positive contact 3 on your vehicle
to the positive terminal of the donor battery
using the jumper cable. Always begin with
positive clamp 3 on your own vehicle first.
#
Start the engine of the donor vehicle and run
it at idling speed.
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Connect the negative terminal of the donor
battery to ground point 4 of your vehicle
using the jumper cable. Begin with the donor
battery first.
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Start the engine of your own vehicle.
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Let the engines run for several minutes.
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Before disconnecting the jumper cables,
switch on an electrical consumer in your own
vehicle, e.g. the rear window heater or the
lighting.
When the starting assistance procedure is com‐
plete:
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First, remove the jumper cables from ground
point 4 and the negative terminal of the
donor battery, then from positive contact 3
and the positive terminal of the donor bat‐
tery. Begin each time with the contacts on
your own vehicle first.
#
After removing the jumper cables, close
cover 2 of positive contact 3 .
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Close cover 1 .
Breakdown assistance 345