clamps while the engine is running or the
SmartKey is in the starter switch. Otherwise the
alternator and other electronic components
could be severely damaged.

Have the battery checked regularly by an
authorized Mercedes-Benz Light Truck Center.

Contact your authorized Mercedes-Benz Light
Truck Center for further information.

Warning!

Do not place metal objects on the battery as

this could result in a short circuit.

Use leak-proof battery only to avoid the risk

of acid burns in the event of an accident.

Warning!

Disconnecting, removing, reinstalling and

reconnecting the battery is a complicated

and technically demanding procedure that

also requires safety precautions to avoid the

risk of injury. We strongly recommend that it

be performed by a qualified technician or an

authorized Mercedes-Benz Light Truck

Center only. Please read the instructions

fully before beginning operation and only

undertake it if you feel fully capable of

performing all of the tasks involved as de-

scribed in these instructions. Observe all

safety instructions and precautions when

handling automotive batteries

(

୴

page 528). Performing the tasks involved

incorrectly can cause damage to the vehicle

and impair the operating safety of the

vehicle, and/or cause severe injury to you

or others.

With a disconnected battery you will no

longer be able to turn the SmartKey in the starter
switch and pressing the KEYLESS-GO*
start/stop button will have no effect.

If your battery is discharged, the vehicle

must be jump started (

୴

page 536) using the

jump start contacts in the engine compartment,
or an accessory battery charge unit* approved
by Mercedes-Benz must be connected using the
jump start contacts in the engine compartment
(see separate instructions for the accessory bat-
tery charge unit*) before any of the following
steps can be performed. If the battery cannot be
jumped or charged, please contact an
authorized Mercedes-Benz Light Truck Center.

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