Replacing Smartkey Batteries; Smartkey - Mercedes-Benz ML350 Operator's Manual

Practical hints

Replacing SmartKey batteries

If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Light Truck Center.
Warning!
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
440
i
When inserting the batteries, make
sure they are clean and free of lint.
i
When replacing batteries, always
replace both batteries.
G
The required replacement batteries are
available at any Mercedes-Benz Light
Truck Center.

SmartKey

Replacement batteries: Lithium, type
CR 2025 or equivalent.
Remove mechanical key 1
( page 435).
1 Mechanical key
2 Slide
3 Battery compartment
Insert the mechanical key 1 in direc-
tion of arrow in side opening.
Using mechanical key 1 push gray
slide 2 to unlatch battery
compartment 3.
Pull the battery compartment 3 out of
the housing in direction of arrow.