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1992 Mercedes-Benz 400E hissing noise
hissing noise
What is your question?
hissing noise started abruptly. It continues when car is off. seems to come from the engine compartment and travels along the car frame to the back of the car.
RepairPal Certified shops can diagnose and repair your 1992 Mercedes-Benz 400E. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.