3185-1. MOBILITY
1Check whether the battery of
the other vehicle has a volt-
age of 12 volts. The voltage
information can be found on
the battery.
2 Switch off the engine of the
assisting vehicle.
3 Switch off any electronic sys-
tems/power consumers in
both vehicles.
The starting aid terminal in the
engine compartment acts as the
positive battery terminal.
A special connection on the
body in the engine compartment
acts as the negative battery ter-
minal.
Additional information:
Overview of engine compart-
ment, refer topage 291.
Open the cover of the positive
battery terminal.
Before you begin, switch off all
unnecessary electronic sys-
tems/power consumers, such as
the radio, on the assisting and
receiving vehicle.
1 Open the cover of the starting
aid terminal. 2
Attach one terminal clamp of
the positive jumper cable to
the positive terminal of the
battery, or to the correspond-
ing starting aid terminal of the
vehicle providing assistance.
3 Attach the terminal clamp on
the other end of the cable to
the positive terminal of the
battery, or to the correspond-
ing starting aid terminal of the
vehicle to be started.
4 Attach one terminal clamp of
the negative jumper cable to
the negative terminal of the
battery, or to the correspond-
ing engine or body ground of
assisting vehicle.
5 Attach the second terminal
clamp to the negative termi-
nal of the battery, or to the
corresponding engine or
body ground of the vehicle to
be started.
Never use spray fluids to start
the engine.
1 Start the engine of the assist-
ing vehicle and let it run for
several minutes at an
increased idle speed.
2 Start the engine of the vehicle
that is to be started in the
usual way.
If the first starting attempt is not
successful, wait a few minutes
before making another attempt in
Preparation
Starting aid terminals
Connecting the cables
Starting the engine
