Q: activating the auto lock feature on a c300 mercedes

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The doors no longer automatically lock after take off.

My car has 103000 miles.
My car has an automatic transmission.

This is an electrical problem that will require a circuit trace and electrical diagnostic to pinpoint and thence resolve the issue. If you desire prompt service and a complete resolution, please request repair service using YourMechanic’s electrical diagnostic service request page. If you request that service, the responding certified mechanic will get this diagnosed and resolved, right at your location. If you have further questions or concerns, do not hesitate to re-contact YourMechanic because we want you to make the most of your repair dollars and help you to get the best possible results.

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