Mercedes-Benz 2000 CLK 430 Operator's Manual page 265

Insert mechanical key (4) in side opening (5) to open
latch. Press briefly (do not use mechanical key as lever)
to release battery compartment.
Remove mechanical key from side opening.
Lift battery compartment in direction of
arrow (7) and remove in direction of arrow (8).
Electronic main key
Instruments
Operation
and controls
Instrument
Driving
cluster display
Change batteries (9 ), inserting new ones under contact
spring (10) with plus (+) side facing up.
Return battery compartment into housing until locked
in place.
Practical hints Car care
265
Technical
Index
data