2004 Mercedes CLK-Class Owner's Manual - Page 346

Practical hints Unlocking/locking in an emergency SmartKey with KEYLESS-GO* Remove mechanical key ( page 343). Insert the mechanical key in side opening and push grey slide. The battery compartment is unlatched. Pull the battery compartment out of the SmartKey housing in direction of arrow. Using mechanical key 3 apply pressure to position 2. Battery 1 tilts up slightly. Pull out batteries 1 in direction of arrow. Using a lint-free cloth, insert new batteries with the plus (+) side facing up. Return battery compartment into housing until it locks into place. 1 Battery 2 Tilt battery up 3 Mechanical key Replacement batteries: Lithium, type CR 2025 or equivalent. i When changing batteries, always replace both batteries. The required replacement batteries are available at any Mercedes-Benz Center. 3 Battery 4 Contact spring Using a lint-free cloth, insert new batteries under the contact spring with the plus (+) side facing up. Return battery compartment into housing until it locks into place. 346