MBWorld.org Forums

Notices
Mercedes Tech Talk Discuss general technical questions and issues about your Mercedes-Benz. Moderated by a certified MB Tech.
Sponsored by:
Sponsored by:

83 300CD AC Center Vents Not Blowing-How do I Fix them?

Thread Tools
 
Search this Thread
 
Rate Thread
 
Old Aug 21, 2007 | 12:02 AM
Share
  #1  
gtl diesel's Avatar
gtl diesel
Thread Starter
Junior Member
 
Joined: Jun 2007
Posts: 23
Likes: 0
From: San Diego County
1980 MBZ 300SD, 03 Audi A8, 97 Volvo 960
83 300CD AC Center Vents Not Blowing-How do I Fix them?
Hi. I have an 83 300 CDT with 172k miles and an automatic. The center air conditioning vents do not blow under any conditions. All of the other functions of the control buttons seem to get the right responses, defrost, heat, etc blow out of the correct vents. But when I call for ac, the two end vents blow plus the defrost outlets blow. The center vents do not. I took out the glove compartment box to see if I could get to anything, but that side seems too cluttered and tight to enable a reach to the solenoid in back of the vents. My questions are:

1. Am I on the right track looking at the solenoid?

2. Is it easier to access this part with the instrument panel removed?

Any help and or suggestions will be sincerely appreciated.

Thanks!
Norm
Reply
0
Old Aug 26, 2007 | 11:15 PM
Share
  #2  
gtl diesel's Avatar
gtl diesel
Thread Starter
Junior Member
 
Joined: Jun 2007
Posts: 23
Likes: 0
From: San Diego County
1980 MBZ 300SD, 03 Audi A8, 97 Volvo 960
Center Vents-Manual Solution-It works !!
Originally Posted by gtl diesel
Hi. I have an 83 300 CDT with 172k miles and an automatic. The center air conditioning vents do not blow under any conditions. All of the other functions of the control buttons seem to get the right responses, defrost, heat, etc blow out of the correct vents. But when I call for ac, the two end vents blow plus the defrost outlets blow. The center vents do not. I took out the glove compartment box to see if I could get to anything, but that side seems too cluttered and tight to enable a reach to the solenoid in back of the vents. My questions are:

1. Am I on the right track looking at the solenoid?

2. Is it easier to access this part with the instrument panel removed?

Any help and or suggestions will be sincerely appreciated.

Thanks!
Norm
I found that if I insert a screwdriver ( a long one) in to either of the vents and I push on an angle from top to bottom, I can push open the flap door that is not opening and cause the air to come out of the vents. It lasts as long as the air is on and the motor is on. When you re-start or turn the system off and then on again, you have to do the same thing over. But....it works and is a lot easier than taking the dash apart to fix it.
Reply
0
Tags
Back to Subforum
Mercedes Tech Talk
View Next Unread
Cabin rattle driving me crazy in C220 Coupe

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 


You have already rated this thread Rating: Thread Rating: 0 votes, average.
Show Printable Version
Email this Page

Advanced Search

All times are GMT -4. The time now is 02:07 PM.

story-0
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)

Slideshow: Not every Mercedes design becomes timeless, some feel stuck in the era they came from.

By Verdad Gallardo | 2026-05-12 18:09:07


VIEW MORE
story-1
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun

Slideshow: Yes, Mercedes built manual cars, and some of them are far more interesting than you'd expect.

By Verdad Gallardo | 2026-05-02 12:36:58


VIEW MORE
story-2
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren

Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.

By Verdad Gallardo | 2026-04-29 11:19:28


VIEW MORE
story-3
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine

Slideshow: Before curves took over, Mercedes mastered the art of the straight line, and some of those shapes still look right today.

By Verdad Gallardo | 2026-04-25 12:05:49


VIEW MORE
story-4
Flawlessly Restored Mercedes 190E Evo II Heads to Auction

Slideshow: The 190E Evolution II shows how a homologation necessity became a six-figure collector icon.

By Verdad Gallardo | 2026-04-22 17:53:47


VIEW MORE
story-5
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know

Slideshow: Mercedes is turning one of its core nameplates electric, and the details show just how serious this shift is.

By Verdad Gallardo | 2026-04-21 13:58:06


VIEW MORE
story-6
Mercedes EQS Gets A Major Update: Everything You Need to Know

Slideshow: Faster charging, longer range, and a controversial steer-by-wire system define the latest evolution of Mercedes-Benz EQS.

By Verdad Gallardo | 2026-04-15 10:35:34


VIEW MORE
story-7
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve

Slideshow: These overlooked Mercedes-Benz models never got the spotlight, but they quietly delivered more than most remember.

By Verdad Gallardo | 2026-04-13 19:35:45


VIEW MORE
story-8
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping

Slideshow: A well-used 1991 Mercedes-Benz 300D with more than one million miles is now looking for a new owner, and it still appears ready for more.

By Verdad Gallardo | 2026-04-10 10:05:15


VIEW MORE
story-9
10 Most Reliable Mercedes-Benz Models You Can Buy Used

Slideshow: From bulletproof sedans to surprisingly tough SUVs, these Mercedes models proved that the three-pointed star can go the distance.

By Verdad Gallardo | 2026-04-08 09:55:49


VIEW MORE