Mercedes-Benz GLC300 electric refrigerant compressor circuit blocked issue with no solution yet on Mercedes-Benz GLC300

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Mercedes-Benz GLC300 owners report experiencing issues with a blocked electric refrigerant compressor circuit, which can lead to significant challenges. Accurate diagnosis is essential, as these blockages may require thorough inspections and the use of diagnostic tools like Mercedes Xentry. Many owners find it beneficial to seek assistance from qualified mechanics or authorized dealerships, given their expertise in handling complex electrical issues. Additionally, inspecting components such as the compressor, electrical connections, and sensors can help identify the blockage's root cause. Regular maintenance of the AC system, including cleaning filters and checking refrigerant levels, is recommended to prevent such issues. Owners are also advised to check for any recalls or technical service bulletins related to this problem, as these may offer valuable insights or solutions from the manufacturer.

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