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

SL/R230: Changing SC oil

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Old Mar 5, 2019 | 09:34 PM
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03sl55amgmjd's Avatar
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2003 SL55 AMG GT , 2000 BMW 323I coupe
Changing SC oil

I am interested in finding out the proper way of changing my supercharger oil in my 03 SL 55 AMG.
I viewed the various U-Tube videos, but wasn't sure if they're the best way.
My concern is not knowing if all the oil has been removed (when using the hand-suction/plunger-tube method).
I already bought the Mobil Jet oil and suction tube with clear tubing to insert into the SC set screw hole.
I would just like to hear some comments, suggestions or feedback from members who successfully did this maintenance. Also, is the capacity around 5 ounces? Thanks in advance
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Old Mar 6, 2019 | 09:33 AM
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Hendrik Koster's Avatar
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2007 S65 AMG-Sold, 2007 SL55 P030 - 2016 GL450 - - 2017 AMG GTS - Sold - 2015 AMG S65
Originally Posted by 03sl55amgmjd
I am interested in finding out the proper way of changing my supercharger oil in my 03 SL 55 AMG.
I viewed the various U-Tube videos, but wasn't sure if they're the best way.
My concern is not knowing if all the oil has been removed (when using the hand-suction/plunger-tube method).
I already bought the Mobil Jet oil and suction tube with clear tubing to insert into the SC set screw hole.
I would just like to hear some comments, suggestions or feedback from members who successfully did this maintenance. Also, is the capacity around 5 ounces? Thanks in advance
When you'll use a Myte-Vac with it's original reservoir you can see how much you get out and replace with the same amount of fresh Mobil Jet Oil and you'll be good to go.

You'll never with get a 100% out as there is no lower drain.

Best H
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Old Mar 6, 2019 | 10:07 AM
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Originally Posted by Hendrik Koster
When you'll use a Myte-Vac with it's original reservoir you can see how much you get out and replace with the same amount of fresh Mobil Jet Oil and you'll be good to go.
I sucked out about 100cc, and replaced it with 200cc (6.7 Oz.). I recall seeing 130cc as the proper amount. I have had no issues with the additional oil.
You MUST have a 5mm Ball End hex wrench to pull and replace the plug. Once the plug is out, then suck it out, and squeeze it in. I placed fluid until it ran out of the fill plug.

Check the E55 forums for more info. Lot's more guys there with the superchargers too.
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Old Mar 6, 2019 | 03:04 PM
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03sl55amgmjd's Avatar
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2003 SL55 AMG GT , 2000 BMW 323I coupe
Thanks for the info. If you can remember, how long was the suction tubing that you inserted into the SC?
I appreciate your help.
Regards,
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Old Mar 6, 2019 | 07:10 PM
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I used a syringe and about 6-8" of tubing to snake into the hole.
The more flexible tubing is better. A zip tie to attach tubing to the syringe helped hold it.
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