The most important thing this panel does is to keep water off of the belt in wet driving conditions. If you get the belt wet, the A/C compressor can slip and will lock out until the next time the engine is started.

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Benzmac:
ASE CERTIFIED MASTER AUTO TECHNICIAN
LEAD TECHNICIAN FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM