Closing Assist/Door Lock Issues Due to Pneumatic System Problems on Mercedes-Benz 400SE

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

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Average mileage: 72,000 (72,000–72,000)
1 model year affected: 1992
3 people reported this problem
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Soft close doors wont work all of the time, and door locks also. By removing fuse #9 in the truck panel it will reset for a week the start doing it again.