Mercedes-Benz E-Class Coupe 2022 Operator's Manual page 298

296 Breakdown assistance 296
Example: engine compartment
Slide cover 1 of positive contact
#
jump-starting connection point in the direction
of the arrow.
Connect positive contact 2 on your vehicle
#
to the positive terminal of the donor battery
using the jumper cable/charging cable.
Always begin with positive contact
own vehicle rst.
Dur During st ing star arting assist ting assistance:
#
the donor vehicle and run at idle speed.
Connect the negative terminal of the donor
#
battery and ground point
cle by using the jumper cable/charging cable.
Begin with the donor battery rst.
Dur During st ing star arting assist ting assistance:
#
your own vehicle.
Dur During t ing the c he char harging pr ging process:
#
ing process.
Dur During st ing star arting assist ting assistance:
#
for several minutes.
During st Dur ing star arting assist ting assistance:
#
ing the jumper cable, switch on an electrical
2 on the
consumer on your own vehicle, e.g. the rear
window heater or lighting.
When the starting assistance/charging process is
complete, perform the following steps:
First, remove the jumper cable/charging cable
#
from ground point
2 on your nal of the donor battery, then from positive
contact
donor battery. Begin each time with the con-
ance: start the engine of
tacts on your own vehicle rst.
A er removing the jumper cable/charging
#
cable, close cover
3 of your own vehi-
Further information can be obtained at a quali ed
specialist workshop.
ance: start the engine of
R R eplacing t eplacing the 12 V batt
ocess: start the charg-
Observe the notes on the 12 V battery
#
(
/
ance: let the engines run
Mercedes-Benz recommends that you have the
12 V battery replaced at a quali ed specialist
ance: before disconnect-
workshop, e.g. at an authorized Mercedes-Benz
Center.
Observe the following notes if you want to replace
the battery yourself:
Always replace a faulty battery with a battery
R
which meets the speci c vehicle require-
ments.
3 and the negative termi-
2 and the positive terminal of the
1 of positive contact 2.
he 12 V battery ery
page 292).