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Y2K SL500 Silver
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Discussion Starter #1 (Edited)
I thought I would show you a couple of pictures of what my 12 year old plastic lower windshield coverings look like after the plastic becomes brittle and falls apart. Please note the three holes on each side that no longer allow the screws to hold them in place. This is common to many MB not just the R129.

Left Cover p/n A1296700108 USD $154.00 MSRP
Right Cover p/n A1296700208 USD $154.00 MSRP
 

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94 SL600, 89 Jag XJS conv, 85 Daimler Princess, 97 993 63 Avanti 16 Lincoln MKZ hybrid 16 Silverado
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excellent photos, and good insight about old plastic.
My 18 year old plastic as survived but the three times it has been removed I loosened the bolts and pivoted the plastic toward the center of the windshield, there was no pull outward on the parts. Replacement, because of the pressure dispersing washers required the removal of the fastener and washer and I used the "flexible" hole door with a long slender socket driver. I did note the entire screen system snapped together but didn't feel lucky enough to take it apart for the fastener placement. ;)
 

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Sold1990 500sl - 1992 300sl 1999 sl 500
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Lynns , it must degrade faster in your climate than in ours as that seems quite bad for only 12 years :confused: good to have the part numbers though :thumbsup:
 

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Departed 1998 SL500 (and the Pano is in Bogota)
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Southern California has 10x more Sun than England.
 

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Sold1990 500sl - 1992 300sl 1999 sl 500
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Southern California has 10x more Sun than England.
I bet it does and with so much rain here we have water shortages :confused: lack of heat here also means that the air con systems are not used much and go faulty.:D
 

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1991 500SL
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R129 OEM Windshield Lower Cover LEFT 1296700108, $54.99,​Mercedes OEM R129 Windshield Lower Cover Left
 

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Y2K SL500 Silver
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Discussion Starter #9
Southern California has 10x more Sun than England.
I think it's a combination of heat and Ozone as well as the amount of pressure that was put on the screw to plastic.

The guys that installed my windshield told me that these parts are a common problem on other MB as well.
 

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SL500, GLC300
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so far mine are still the originals and good from 1995. lets hope they stay that way for now. but Vancouver doesn't get dry weather, it is more rain in the winter, and cool in the summer. if there ever is heat here it doesn't last for long, maybe a few weeks at 30C.
 

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1999 SL500
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176 Posts
I thought I would show you a couple of pictures of what my 12 year old plastic lower windshield coverings look like after the plastic becomes brittle and falls apart. Please note the three holes on each side that no longer allow the screws to hold them in place. This is common to many MB not just the R129.

Left Cover p/n A1296700108 USD $154.00 MSRP
Right Cover p/n A1296700208 USD $154.00 MSRP
When I took these two parts off to get to the blower motor, the screw brackets were brittle and all had fallen apart.

Instead of ordering the parts, I bought Epoxy Putty, made a cap for the screw brackets. Then bought a rotary tool to grind and smooth out the hardened putty into the shape of the original brackets. Worked like magic. Spent under $150. I wish I would have documented the process... real easy.

This is the tool i used.
(Dremel 4000-6/50 120-Volt Variable-Speed Rotary Kit - Amazon.com)
 

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Y2K SL500 Silver
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Discussion Starter #12 (Edited)
I think it's a combination of heat and Ozone as well as the amount of pressure that was put on the screw to plastic.

The guys that installed my windshield told me that these parts are a common problem on other MB as well.
I ended up convincing my Insurance company that they needed to replace the two plastic lower coverings as a part of the new windshield install. Total cost to the Insurance Company for a MB Windshield and Coverings was $1,350.00 after the $250.00 deductible. Maybe that's why my Black 129 got totaled after the car accident in May 2013.
 

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99 mercedes sl500 , 96 mercedes sl320
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Hi i just bought a pair of new covers, is reinstalling only as easy as fixing with 3 screws ? How can we avoid that this breaks again ?
 
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