Hi guys,

my 1988 200E have some aircon problem when the car is at idle with the A/C on i can hear abit of engine sound from the vent, when crusing above 80kph the vent gets very noisy at 120kph it got worse its seem that what the RPM get aroubd 2500 or above the blower get damm noisy ever if i off the A/C off the sound is still coming out from the centre vent anyone could help me Thanks.