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

SL/R230: How many oil drain plugs on a '55?

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Old Feb 28, 2020 | 04:32 PM
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How many oil drain plugs on a '55?
There's a thread going on the AMG forum, and someone says they found two oil drain plugs. One on the left and one on the right? I don't have a '55 but I was wondering if this is the case.
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Old Feb 28, 2020 | 05:13 PM
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stock both of the 230472 and 230474 models have 2

Last edited by pmercury; Feb 28, 2020 at 07:54 PM.
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Old Feb 28, 2020 | 05:20 PM
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there are also aftermarket with 2

Last edited by pmercury; Feb 28, 2020 at 07:54 PM.
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Old Feb 28, 2020 | 06:02 PM
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Hey Seven, I think you are thinking of the tread I posted in over on SL55AMG. Searching on the WWW shows many mentions of the 55 compressor motor having two factory drain plugs....one on the left side, and one on the rear. Benz World has a few threads on it. Two sumps/plugs because there is a crossmember going between the two sumps.
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Old Feb 28, 2020 | 06:08 PM
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Originally Posted by GBsSL55
Hey Seven, I think you are thinking of the tread I posted in over on SL55AMG.
I certainly was referring to your thread. Thank you for that response.
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Old Feb 28, 2020 | 06:15 PM
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Originally Posted by GBsSL55
Hey Seven, I think you are thinking of the tread I posted in over on SL55AMG. Searching on the WWW shows many mentions of the 55 compressor motor having two factory drain plugs....one on the left side, and one on the rear. Benz World has a few threads on it. Two sumps/plugs because there is a crossmember going between the two sumps.
what model number is that ? not a R230 yes ?
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Old Feb 28, 2020 | 06:20 PM
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Originally Posted by pmercury
what model number is that ? not a R230 yes ?
2004 SL55 AMG

Took a quick pic just now. That's the rear plug, and the second plug is on left side. Had to remove that panel held on by four 8mm bolts. Cant see that plug now because panel covers it up.



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Old Feb 28, 2020 | 06:28 PM
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Originally Posted by GBsSL55
2004 SL55 AMG

Took a quick pic just now. That's the rear plug, and the second plug is on left side. Had to remove that panel held on by four 8mm bolts. Cant see that plug now because panel covers it up.
right ! my fault, as usual the graphic did not show 2 but the partlist does


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