2004 MERCEDES-BENZ G55AMG battery replacement

88 Controls in detailLocking and unlocking
Checking the batteries
Press button‹ orŒ.
Battery check lamp4 comes on brief-
ly to indicate that the SmartKey batter-
ies are in order.Loss of SmartKey or mechanical key
If you lose a SmartKey or mechanical key,
you should do the following:

Have the SmartKey deactivated by an
authorized Mercedes-Benz Light Truck
Center.

Report the loss of the SmartKey or the
mechanical key immediately to your
car insurance company.

If necessary have the mechanical lock
replaced.
Your authorized Mercedes-Benz Light
Truck Center will be glad to supply you
with a replacement.
!If you can no longer lock or unlock the
vehicle with the SmartKey, then the
batteries in the SmartKey are dis-
charged, the SmartKey is malfunction-
ing or the vehicle battery is drained.

Check the batteries in the Smart-
Key (
page 88) and replace them if
necessary (
page 288).


Use the mechanical key to unlock
the doors (
page 287).


Have the vehicle battery and the
battery connections checked by an
authorized Mercedes-Benz Light
Truck Center (
page 311).


Use the mechanical key to lock the
doors and the tailgate
(page 288).
If the SmartKey is malfunctioning, con-
tact an authorized Mercedes-Benz
Light Truck Center.
!If battery check lamp4 does not
come on briefly during check, then the
SmartKey batteries are discharged.
Replace the batteries (
page 288).
You can obtain the required batteries
at any authorized Mercedes-Benz Light
Truck Center.
iIf the batteries are checked within sig-
nal range of the vehicle, pressing the
button‹ orŒ will lock or unlock
the vehicle accordingly.

289 Practical hints
Unlocking/locking in an emergency
1Mechanical key
2Battery compartment
Replacement batteries:
Lithium, type CR 2025 or equivalent.

Remove mechanical key (
page 287).

Insert the mechanical key1 in side
opening and push briefly gray slide.
Battery compartment2 is unlatched.

Pull battery compartment2 out of the
SmartKey housing in direction of ar-
row.

Remove the batteries.
3Battery
4Contact spring

Using a lint-free cloth, insert new bat-
teries under the contact spring with the
plus (+) side facing up.

Return battery compartment into hous-
ing until locked in place.

Slide mechanical key1 back into the
SmartKey.
iWhen changing batteries, always re-
place both batteries.
The required replacement batteries are
available at any Mercedes-Benz Light
Truck Center.
iWhen inserting the batteries, make
sure they are clean and free of lint.

319 Practical hintsFuses
Fuses
The fuse box is located on the left side of
the cockpit in the passenger compart-
ment. It contains:

a fuse chart


spare fuses


a special spare extractor
Additional fuses are located in:


battery box


front passenger footwell under the
cockpit


middle tunnel
Fuse box in passenger compartment
Opening
1Cover
Open the driver’s door.

Remove cover1 in direction of ar-
rows.
Fuse box in battery box
The battery box is located under the cover
in the rear footwell.
Replacement of fuses can only be per-
formed by a Mercedes-Benz Light Truck
Center.
iOnly install fuses that have been tested
and approved by Mercedes-Benz and
that have the specified amperage rat-
ing.
Never attempt to repair or bridge a
blown fuse. Have the cause determined
and remedied by an authorized
Mercedes-Benz Light Truck Center.