Closing Assist/Door Lock Issues Due to Pneumatic System Problems on Mercedes-Benz 300SE

Problems with the pneumatic system can cause closing assist and door lock issues.

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Average mileage: 188,000 (188,000–188,000)
2 model years affected: 1992, 1993
3 people reported this problem
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1993 Mercedes-Benz 300SE 188,000 mi,
the door closing assist only works 2-3 times after pulling fuse out in the trunk. Then it quits after an hour.