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Old 07-12-1999, 10:01 PM
Joe VB
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The AC in my 1990 300SE smells funky. We've had some very hot and humid weather here in NY and it seems to have gotten worse in the past week or so. Any ideas? Thanks!

Last edited by whunter; 06-27-2006 at 05:45 PM.
Old 07-12-1999, 10:34 PM
Posts: n/a
It could be the smell of the refrigerant. Is your A/C still working properly?
Old 07-13-1999, 12:56 PM
Posts: n/a
If it smells musty then it is mold growing in the A/C condenser/evaporator (whichever one is under the dash - I always get them mixed up). Anyway, my girlfreinds Acura has it real bad and the deal has a product they can spray inside to kill the mold. This only helps for a little while. The only thing we found that helped was to keep the fan on at all times and turn the A/C off a couple minutes before your destination. This helps to blow air around inside and dry things out. Seems to work. Good luck
Old 07-13-1999, 01:37 PM
Registered User
Join Date: Jun 1999
Location: Stoney Creek, Ontario, Canada
Posts: 79
Most auto supply stores should have an A/C disinfectant that you spray in the vents. I've seen it in our local Canadian Tire. I would imagine that Pep Boys would have it in the US. Don't know how good it is, but it might be worth a try.

Darko Vusir
1994 C220
Old 07-13-1999, 08:46 PM
Registered User
Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
In the 140, Mercedes will help you in some cases if the evaporator goes south. Usually when you smell this, it will go within a month or so.


Old 07-13-1999, 09:35 PM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Mercedes issued a S.I. on this subject about 7-8 years ago, they recommend the use of disenfectant spray into the air intake on low blower speed w/EC button depressed.
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