S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

hydraulic suspension burst

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Old Oct 5, 2020 | 01:14 PM
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CLA250, S600
hydraulic suspension burst

my hydraulic suspension busted a leak and spread oil all over the place. I removed the lower and upper plastics. looks like murder down there. I can't locate the source of the leak. Any suggestions? Do I have to remove the whole front end to figure this out? If so, I can't find instructions. Has someone posted them?


at lest it happened close to home.
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Old Oct 5, 2020 | 01:49 PM
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Fill it up with pentosin chf11s then turn the car on , you will be able to spot the leak quickly
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Old Oct 5, 2020 | 02:03 PM
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OK. thanks for the suggestion. way easier than taking half the car apart.

quick question; can I turn it on while the car is up on jack stands and the wheels are unsupported? I'm afraid of blowing out the struts.
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Old Oct 5, 2020 | 09:25 PM
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Yes you can .

In fact that’s what you have to do to bleed The system when you refill it after you fix it- raise front wheels , turn car on and turn steering wheel to full lock each way 30 times to get all the air out
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