Mercedes-Benz 2009 CLS 550, Operator'S Manual

Page: 309 / 356

Replacing SmartKey batteries
307
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 303).
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
Z