Mercedes-Benz 2009 C 230, Operator'S Manual

Page: 356 / 404

Replacing SmartKey batteries
354
sellers of batteries to accept old batteries for
recycling.
When inserting the batteries, make sure they
are clean and free of lint.
When replacing batteries, always replace
both batteries.
i The required replacement batteries are
available at any authorized Mercedes-Benz
Center.
Replacement batteries: Lithium, type
CR 2025 or equivalent.
X Remove the mechanical key from the
SmartKey (
Y
page 350).
1
Mechanical key
2
Battery compartment
X
Insert mechanical key
1
into opening.
X
Press mechanical key
1
in direction of
arrow.
Battery compartment
2
is unlatched.
X
Pull battery compartment
2
out of the
SmartKey housing.
3
Batteries
4
Contact springs
X
Pull out batteries
3
.
X
Insert new batteries
3
under contact
springs
4
with the positive terminal (+)
side facing up.
X
Return battery compartment
2
into
SmartKey housing until it locks into place.
X
Slide mechanical key
1
back into the
SmartKey.
X
Check the operation of the SmartKey as
well as the KEYLESS-GO function.
Practical hints