'89 mbz 300se rear door locks refuse to lock automatically
1990 Mercedes-Benz 300SE

'89 MBZ 300SE rear door locks refuse to lock automatically

(1990 Mercedes-Benz 300SE)
My wife's '89 MBZ 300SE rear door locks refuse to lock automatically when she locks the driver's door with her key. When she opens a rear door while the front doors are locked the alarm goes off.

When she locks the rear doors manually, they stay locked.

When she opens the driver's door with her key the rear door locks open automatically.

Whar needs to be fixed?
General Diagnosis
$88 - $111 Learn More
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