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SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

SL/R230: Blue Hydraulic fluid leak?

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Old Aug 6, 2024 | 02:19 PM
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380 SL, 550SL
Blue Hydraulic fluid leak?
Hello All. I have a 2007 550 SL. I just returned from a week away and there is ań ounce or so of blue hydraulic fluid on the garage floor, right under the right front end . Before I take it in, does anyone have a general idea what I should be looking for? Thanks all!
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Old Aug 6, 2024 | 04:13 PM
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2005 SL600
Are you sure it's hydraulic fluid? Right front blue liquid is often windshield wiper fluid, a common problem with R230s.
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Old Aug 6, 2024 | 04:19 PM
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That was my first thought. It’s oil though. Thanks!
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Old Aug 6, 2024 | 08:06 PM
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2007 SL550, 2008 E550, 2011 E350, 2012 Chevrolet Caprice PPV
Could it be fluid from the motor mounts? I do know those are hydraulic filled, try brake boosting the motor while in gear.
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Old Aug 8, 2024 | 01:41 PM
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I'm with @brucewayne on this one. Common location they leak from the headlight washer nozzles or lines.
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Old Aug 14, 2024 | 09:27 PM
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Okay. Turns out it’s radiator fluid after all… now I have to sort out from where. Thanks all
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Old Aug 15, 2024 | 10:06 AM
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Check the aux. coolant pump. It is over on that side and they tend to corrode and leak.
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