1994 SL 500 purchased with 73k miles - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 10-01-2009, 10:41 PM Thread Starter
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1994 SL 500 purchased with 73k miles

I took the plunge this week and paid cold hard cash for a '94 SL 500 with 73k miles, the body is in mint condition. Usually I would get an inspection done first but the car was over 100 miles ftrom home so went with my instincts on it.

I took it by my local Mercedes guy the next day and we identified a slight oil leak onto the pan, possibly a pan gasket, it should be an easy fix. Also, after popping the hard top hydraulic fluid was seen leaking from the underbody around the rear wheel well. We suspect the seals for the rear pistons have failed and the pistons / cylinders need replacing. If anyine can direct me to how to rectify this problem please reply to this post.
The driver's side lockable compartment is jammed shut when the rest of these are unlocked. Any suggestions?

Thanks - Richard,
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post #2 of 3 (permalink) Old 10-02-2009, 06:16 AM
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Replacement cylinders from the dealer can be very expensive. This guy- PeachParts Mercedes ShopForum - View Single Post - 94 sl320 convertible top problems hydraulic fluid leak - malfunctioning - rebuilds cylinders at a reasonable price, and of course you don't have to have an automated top - you can just take out the cylinders and have a manual top. You should probably be posting on the R129 forum. Take note of the stickies at the top of the page - lots of good information.
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post #3 of 3 (permalink) Old 10-02-2009, 07:53 AM
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Vehicle: 2004 W220 (S430) ; 2001 R129 (SL500) Sport
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If you direct your questions to the R129 forum on this site (your car is an R129), the guys there can be a lot of help.

The R129 is one of the more robust MRZ models. It does have an Achilles heel, and that is the top hydraulics. There are 13 or 14 separate cylinders that control the function of the top(s), and they fail from time to time. They are expensive to repair, but there is a guy who rebuilds cylinders for $60 or $70 bucks a piece--they are $140 from the dealer. Dig around in the thread search and you'll find the information to contact him. He overnights them back to you, so your car isn't down very long.

Welcome to the R129 club. I've had mine about 2 months, and it's a great ride. Everyone there will attest to the fun a MRZ roadster is.

"Don't pick a fight with an old man. If he is too old to fight, he'll just kill you."--John Steinbeck
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