Intro to the Dreaded First Generation Auto Climate Control Mercedes 1977-1981

by Kent Bergsma

Some theory and basic troubleshooting tips on isolating cabin heater related problems on U.S. Models 450SL 450SLC 280SEL 450SE 450SEL 6.9 300SD 300D 300CD and 300TD. Kent shares his inexpensive option for doing away with the auto function all together.

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