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Q: Remote control will not lock or unlock doors & trunk. on 1997 Mercedes-Benz S420

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
I replaced batteries and syncronized the remote.(old batteries checked all right) The dashboard switch won't lock or unlock the doors or open the trunk. The key works. Just started today.
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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