Mercedes-Benz Sprinter 2019, Operating Instructions Manual

Page: 198 / 298

Otherwise, gases or battery acid could
escape.
R
Make sure that the detachable parts are con‐
nected in the same way as before.
Disconnecting the auxiliary battery in the
engine compartment
* NOTE Damage to the electrical assembly
If you disconnect the starter battery before
you have switched off the engine and
removed the key from the ignition lock, elec‐
trical assemblies could be damaged.
#
Switch off the engine and remove the
key from the ignition lock. Then remove
the battery terminals from the starter
battery.
#
Make sure you always disconnect the
starter battery in the battery case in the
left-hand footwell first. Otherwise, elec‐
trical assemblies, e.g. the alternator,
could be damaged.
*
NOTE Damage to the vehicle's electron‐
ics
If you do not disconnect the auxiliary battery
as described here, the vehicle's electronics
could be damaged.
#
Always disconnect the auxiliary battery
in the following sequence, and do not
reverse the battery terminals under any
circumstances. Otherwise, the vehicle's
electronics could be damaged.
#
Observe the safety measures and protection
notices when disconnecting the auxiliary bat‐
tery (
→
page 191).
#
Switch off all electrical consumers.
#
Switch off the engine and the power supply.
#
Open the hood ( → page 174).
#
First loosen and remove the negative terminal
clamp on the auxiliary battery so that the
clamp is no longer in contact with the termi‐
nal.
#
Remove the positive terminal clamp cover.
#
Loosen and remove the positive terminal
clamp.
Towing or tow-starting
Permissible towing methods
In the event of a breakdown, Mercedes-Benz rec‐
ommends that you have the vehicle transported
instead of towed.
*
NOTE Damage to the vehicle due to tow‐
ing away incorrectly
#
Observe the instructions and notes on
towing away.
% Vehicles with automatic transmission
and rear wheel drive: if there is a malfunc‐
tion, the automatic transmission may be
locked in position j .
If the automatic transmission cannot be shif‐
ted to position i , transport the vehicle
(
→
page 199). A towing vehicle with lifting
equipment is required for vehicle transport.
196 Breakdown assistance