'96 S500 Coupe always blows through defrost - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 01-31-2007, 10:24 PM Thread Starter
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'96 S500 Coupe always blows through defrost

1996 S500 Coupe. :
When heater or air conditioning turned on doesn't matter how I set it, it always blows through both vents and defroster. Anyone have any idea what's wrong, please let me know I really appreciated.

Last edited by euroxpert; 01-31-2007 at 10:57 PM.
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post #2 of 2 (permalink) Old 02-01-2007, 08:01 AM
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Vehicle: W211 E320 Bluetec R129 SL500 - $1300 car ........ Ford F350 6l
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I belive that model has the vent vacuum operated.
Look for disconnected vacuum tubings in engine compartment, especially close to the fire wall.
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