Mercedes-Benz S-Class Cabriolet 2017, Owner'S Manual

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Automatic transmission: shift the transmis‐
sion to position B .
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Make sure that the ignition and all electrical
consumers are switched off.
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Open the engine bonnet.
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Vehicles with earth point cover: turn
screws 2 from earth point cover 1 anti-
clockwise and remove earth point cover 1 .
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Slide cover 3 of positive clamp 4 on the
jump-starting connection point in the direc‐
tion of the arrow.
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Connect positive clamp 4 on your vehicle to
positive pole of the donor battery using the
jump lead/charging cable. Always begin with
positive clamp 4 on your own vehicle first.
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During the starting assistance proce‐
dure: start the engine of the donor vehicle
and run at idle speed.
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Connect the negative pole of the donor bat‐
tery and earth point 5 of your own vehicle
by using the jump lead/charging cable. Begin
with the donor battery first.
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During starting assistance: start the
engine of your own vehicle.
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During the charging process: start the
charging process.
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During starting assistance: let the engines
run for several minutes.
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During starting assistance: before discon‐
necting the jump lead, switch on an electrical
consumer in your own vehicle, e.g. the rear
window heater or lighting.
When the starting assistance/charging process
is complete:
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First, remove the jump lead/charging cable
from earth point 5 and negative pole of the
donor battery, then from positive clamp 4
and positive pole of the donor battery. Begin
380 Breakdown assistance