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I put new batteries in my keyless remote. The turn signals flash, but the car will not lock or unlock. The ignition key has been changed and I can't get into the Car with the key. What to do?
MBFanatic 10 months 3 weeks ago
The power motor that locks and unlocks the car may have failed.
It is possible that the door unlock mechanism may have failed on both doors. It is uncommon for both of them to fail at the same time though.
Check the fuses to be sure.
In the mean time use the metal key to gen into the car.