Jump-Starting, Tow-Starting And Towing Away - Mercedes-Benz Zetros 2020 Operating Instructions Manual

! Do not connect the negative terminal
clamp of the jump lead to the vehicle frame.
Otherwise, engine or transmission compo-
nents can be damaged.
General notes
Observe the safety notes and protective meas-
ures when handling the battery (
After starting assistance, have the batteries
checked at a qualified specialist workshop.
If the batteries are discharged, jump-start the
vehicle by connecting to another vehicle.
X
Make sure that the vehicles are not touch-
ing.
X
Apply the parking brake.
X
Switch off all electrical consumers.
X
Turn the key to position 0 in the ignition
lock.
Connecting a jump lead
X
To connect the jump leads: remove the
battery compartment cover (
X
First, connect the positive terminal clamp of
the jump lead to the positive terminal of the
other vehicle's battery and then to the q
positive terminal of the starter battery.
X
First, connect the negative terminal clamp
of the jump lead to the negative terminal of
the other vehicle's battery and then to the
± negative terminal of the starter battery.
X
Assisting vehicle: run the engine at a high
speed.
X
Vehicles with cold-start aid: observe the
"Cold-start aid" section before starting the
Y
engine ( page 113).
X
Start the engine and leave it running at
idling speed.

Jump-starting, tow-starting and towing away

X
To disconnect the jump lead: first, discon-
nect the negative terminal clamps of the
jump lead from the negative terminals.
X
Disconnect the positive terminal clamps of
the jump lead from the positive terminals.
Jump-starting using the jump-starting
socket
Y
page 165).
G
If you jump-start a vehicle that requires too
much current, the socket may become over-
loaded. There is a risk of fire in the electrical
system.
Only jump-start vehicles of a similar vehicle
type, e.g. lorries with an equal or lower
power need. The vehicles must be equipped
with a 24 V system or with two 12 V batter-
ies connected in a series.
G
If you insert the plug connector into the
power socket, sparks could be created. If
you are in the vicinity of highly flammable
materials, e.g. fuel, there is a risk of fire and
explosion.
Do not insert the plug connector into the
power socket if you are in the vicinity of
highly flammable materials.
Y
page 165).
Even if the power supply is interrupted with
the EMERGENCY OFF switch, the jump-start
socket is not disconnected from the batteries.
Warning
Warning
187
Z