Car Problem Reports

Mercedes-Benz 300E Blend Doors in HVAC May Stop Working Due to Bad Vacuum Actuators

Mercedes-Benz 300E Problem
6 Reports
Me Too

Model Years Affected: 1990, 1991, 1992, 1993

Average Mileage: 191,000 mi (180,000 mi - 202,000 mi)


One or more blend door vacuum actuators may fail resulting in the incorrect output temperature from the HVAC system. Failed actuators will require replacement to restore proper HVAC operation.

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