2006 Mercedes CLS-Class Owner's Manual - Page 410
2006 Mercedes CLS-Class Manual
Page 410 highlights
Practical hints Replacing SmartKey batteries Insert the mechanical key 1 in direction of arrow in side opening. Using mechanical key 1 push gray slide 2 to unlatch battery compartment 3. Pull the battery compartment 3 out of the housing in direction of arrow. Remove the batteries 4 in direction of arrow. Using a lint-free cloth, insert new batteries 4 under the contact spring 5 with the plus (+) side facing up. Return battery compartment 3 into housing until it locks into place. Slide mechanical key 1 back into the SmartKey. Check the operation of the SmartKey. SmartKey with KEYLESS-GO* Replacement batteries: Lithium, type CR 2025 or equivalent. Remove mechanical key ( page 402). Insert the mechanical key 3 in side opening and push grey slide ( page 408). Battery compartment is unlatched. Pull battery compartment out of the housing in direction of arrow ( page 408). 4 Battery 5 Contact spring 409