Evaporator Temperature Sensor Failure on Mercedes-Benz S430

Submitted by Vehicle Owner · Apr 1, 2025
Published by RepairPal

Problem overview

The evaporator temperature sensor can fail, causing the AC compressor not to cycle. If the AC compressor does not turn on, the AC system will not blow cold air. If the compressor is stuck on, the air will be very cold at first, before warming up.

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