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1992 Mercedes-Benz 400E

Question: hissing noise

Question

Visitor, Ellicott City, MD, March 08, 2011, 15:51

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.

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  • Answer #1

    overbys from Overbys Inc, March 09, 2011, 06:50
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     Master

    impossible to diagnose without looking/listening. a good
    independent MB specialty shop needs to check this out for you.

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