*
NOTE Damage to the vehicle's electron‐
ics
Incorrectly disconnecting the auxiliary battery
can cause damage to the vehicle's electron‐
ics.
#
Always disconnect the auxiliary battery
as described in the following sequence.
Do not reverse the battery terminals
under any circumstances.
#
Observe the safety measures and protection
notices when disconnecting the auxiliary bat‐
tery (
/
page 297).
#
Switch off all electrical consumers.
#
Switch off the engine and the power supply.
#
Fold the co-driver's bench seat cushion up
(
/
page 71).
#
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.
%
If the auxiliary battery is located under a co-
driver's seat without a cushion which can be
folded up, contact a qualified specialist work‐
shop to disconnect and remove the auxiliary
battery.
Towing or tow-starting
Overview of 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.
*
NOTE Damage due to pushing the vehicle
A vehicle with a front wheel drive and auto‐
matic transmission may be damaged if it is
pushed or towed too far and too fast when
the engine is switched off.
#
Do not push the vehicle more than 15 m
faster than at walking pace.
%
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 307). A towing vehicle with lifting
equipment is required for vehicle transport.
%
Vehicles with automatic transmission
and front wheel drive: if there is a malfunc‐
tion, the automatic transmission may be
locked in position
j
. You can release the
parking lock manually (
/
page 131).
If the automatic transmission cannot be shif‐
ted to position
i
, transport the vehicle
(
/
page 307). A towing vehicle with lifting
equipment is required for vehicle transport.
304 Breakdown assistance