I can't imagine why anyone would want to drive with the top down and the A/C running full blast....
On 10/21/05, James Zavesky <[EMAIL PROTECTED]> wrote: > > Our 1991 500SL had a similar problem, dash harness shorted out and nailed > the instrument cluster. Good times. Biodegradable wiring strikes again! > > Jim > 1991 500SL > 1992 600SEL > 1995 E320 > > > ----- Original Message ----- > From: "George Gregory" <[EMAIL PROTECTED]> > To: "Mercedes mailing list" <[EMAIL PROTECTED]> > Sent: Friday, October 21, 2005 1:08 PM > Subject: Re: [MBZ] R129 Plastic Smell FINAL ANSWER > > > > Original problem was posed last year. Finally repaired a year later when > my > > ACC controller went bad. > > Scroll down for final answer: > > > > On 8/28/04 8:22 PM, "Deneal Schilmeister (iMac)" <[EMAIL PROTECTED]> > wrote: > > > > > In the last two days, I've noticed a very peculiar smell in my SL500. > I'm > > > posting about it in case anyone might be familiar with this, although > I > know > > > its IMPOSSIBLE to describe this smell. > > > > > > It's hard to describe because it is a smell I've never encountered, > nor > near > > > anything I can describe. > > > > > > It seems to originate from the ventilation system, although I can't be > sure > > > yet. > > > > > > The smell is like a plastic burning smell, without the burning part. > Very > > > close to the plastic burning insulation smell of an electrical > problem, > > > without the "acridity" of the electric burning part of the smell. > > > > > > Well, that's the best I can describe it. I'll take it to my indie guy > on > > > Monday, but I thought I would present it here to see if anyone can add > some > > > help. > > > > > > Thanks alot > > > > On 8/30/04 8:50 AM, "Marshall Booth" <[EMAIL PROTECTED]> wrote: > > > > > A smell similar to what you describe accompanied the demise of the > > > windshield washer nozzle heaters on my 201 series cars. It appeared > and > > > lasted several day on the two 201 I own that had windshild washer > > > heaters. The smell was gone a few days later and the washer nozzle > > > heaters have not worked since then. > > > > > > Marshall > > > -- > > > Marshall Booth (who doesn't respond to unsigned questions) > > > "der Dieseling Doktor" [EMAIL PROTECTED] > > > '87 300TD 180Kmi,'87 190D 2.5 198Kmi, '84 190D 2.2 227Kmi, '85 190D > 2.0 > > > 159Kmi, '87 190D 2.5 turbo 231kmi > > > Diesel Technical Advisor MBCA, member GWSection > > > http://www.dhc.net/~pmhack/mercedes/mbooth1.htm > > > > THE FINAL ANSWER > > > > The R129 roadster, as part of the center vent system, has an electronic > > circuit board in the bottom of the vents that controls the opening and > > closing of the dashboard vents, operated through rheostat type switches > > located at the lower portion of the center vents. > > > > In warm weather, should one be driving with the top down and the air > > conditioning on, condensation builds up on the center vents, which then > > drips down into the unit and onto the PC board. The center vent unit > > connects via pin connectors on the bottom of the unit. > > > > This dripping eventually shorts out the board and/or the connector pins, > > which then wreak havoc with the ACC unit. > > > > Although my indie has always talked about the expense to replace this > unit; > > (indicating to me the repair community is aware of a problem) neither he > nor > > the dealership could figure out why my ACC unit went crazy. Replacing > the > > ACC unit twice did nothing. > > > > Finally, I took the car to the dealer, who agreed to throw parts at it > until > > it was fixed. > > > > First they replaced the auxiliary vacuum pump, which did not fix the > > problem. Then they replaced the center vent assembly and all worked as > it > > should. > > > > They had the car for three days, and ended up charging me 8 hours for > > diagnosis, $264 for the aux vacuum pump, and $580 for the center vent > > assembly (they call it part# 129-830-06-9115 Nozzle) > > > > I believe that this electronic center vent unit is unique to the R129 > cars. > > > > So the moral of the story.... If you have one of these cars, don't drive > > with the top down ad the air conditioner on to the point that > condensation > > accumulates on the center vents! > > > > > > > > +++++++++-- > > Deneal Schilmeister > > MBCA Gateway 1991-2005 > > 1997 SL500 (93k) > > http://homepage.mac.com/deneals/SL500.htm > > http://homepage.mac.com/deneals > > +++++++++-- > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________ > > For new parts see official list sponsor: http://www.buymbparts.com/ > > For used parts email [EMAIL PROTECTED] > > > > To Unsubscribe or change delivery options go to: > > http://striplin.net/mailman/listinfo/mercedes_striplin.net > > > > > _______________________________________ > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://striplin.net/mailman/listinfo/mercedes_striplin.net >
