Mercedes-Benz 2005 C 240 4MATIC - Manual (Page 333)

331
Practical hints
Replacing SmartKey batteries
SmartKey
Replacement batteries: Lithium, type
CR 2025 or equivalent.
̈ Remove the mechanical key
(
୴ page 326).
1 Mechanical key
2 Battery compartment
̈ Insert mechanical key 1 in side
opening and push grey slide.
Battery compartment 2 is unlatched.
̈ Pull battery compartment 2 out of the
housing in direction of arrow.
̈ Remove the batteries.
3 Battery
4 Contact spring
̈ Using a lint-free cloth, insert new
batteries 3 under contact spring 4
with the plus (+) side facing up.
̈ Return battery compartment 2 into
housing until it locks into place.
̈ Slide mechanical key 1 back into the
SmartKey.
̈ Check the operation of the SmartKey.