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Discussion Starter #1
Hi I'm new to this board. I'm looking at buying a SLK320 that has a pretty major cylinder leak. Just want to know approximately, how much I should deduct from the price? The price they are asking is pretty much top dollar. For a perfect car. I want to thank those that posted the info on how to fix them. I found how to replace the seals on the cylinders.
 

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Take $3,000 off the price.
LOL! I agree with leapyfish! Drop it couple $,$$$

Charging a top dollar for a leaking cylinder is nonsense...
1 cylinder is around $400 + labor (suspect add that same amount).
To replace all 4 it's around $4,000. You do the math. :grin:

On the other hand, front cylinder is the easiest to replace and will run you only 1-2hrs of your time and $30 damage to your pocket 0:):nerd::grin:
 

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When I bought my SLK the roof was soaked with fluid. The car came with a repair kit that only cost $35. I rebuilt all 5 cylinders. The trunk cylinders were the hard ones. The roof was by far easy. I did them all without disconnecting the lines. All your doing is replacing the o-ring. The roof o-ring was decentegrated. The kit is Shockwave Technology and it came with a step by step instruction document.
It can be done. But definitely take a chunk off the price because if I would put a price on what I did it would be high. It's on thing to work on your own car because you own the risk. You run a big risk of damaging the actuator shaft.
Just wanted you to here from someone who has done that!
Steven B.
 

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Discussion Starter #5
The one I bought had a leak in the trunk cylinder. They fixed both of them. Then I found a leak in the top cylinder. Took 200 off the price and will fix it myself. Ordered the O-Ring kit (with instructions) and the fluid from Ebay.
2 questions I have are can I lock (seal from the rain) the rook with the cylinder off? And the headlinder was wet with hydraulic fluid. Will this stain? If so how can I clean it?
 

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Premium Member 2013 SLK250
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See your other post of locking the roof, page 230 owners manual. The headliner you will need to replace or remove the material from the headliner board (around $200 online) and glue new headline material (check online) or have a car upholstery shop to do a repair. It is oil and not much for cleaning, due to oil the material will come lose from the backing board down the road.
 

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Premium Member 2005 SLK55 AMG; 2005 SLK350
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I've DIY cleaned a few oil soaked headliners after stripping the vinyl from the fiberglass (?) shell. I used degreasing dishwasher soap and a fingernail brush for scrubbing,, it took ~10 cycles of wash/rinse/dry before it lost its oily feel. I think the shell absorbs some of the oil.

I'm sure there are better chemicals to use but I have no idea what they are.

The hard part is removing the old glue from the shell first - plus its very easy to break the shell during all this. Having a good work surface is critical towards this.
 

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After cleaning my headliner I coated it with fiberglass resin because it was fragile. My first attempt to recover the headliner I used a thin vinyl. It looked great but did not hold. The heat and its weight caused it to delaminate. I went to a uhpostery shop and got the right fabrics and it turned out nice. Not much I haven't fixed in my interior.
 
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