Hey guys. Any idea why my remote door locks sometimes wont work at all? It seems to be an intermittent problem. I will try to unlock it, and it wont, no lights flash. I am forced to unlock it by the key. As soon as I unlock it with the key, the remote works again.

Any ideas? Its driving me nuts!

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93 300D 2.5 Turbo, Black/Palomino 273K
09 E350 Black/Black 41K