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

SL/R230: ABC Pressure Relief Unit hydraulic hoses

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Old Aug 14, 2024 | 04:32 PM
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Larryac123's Avatar
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From: Bowie Maryland
2004 SL500 - R230
ABC Pressure Relief Unit hydraulic hoses

Hello. I'm new here and was hoping someone could help me. The other day I had a ABC hose start leaking on my 2004 SL500 (R230). The hose is behind the left front wheel, coming out of the side of the ABC pressure relief unit (there are 2 lines in the top and one in the side). It is the line coming out the side of the unit that is leaking. Does anyone have a part number for this line/hose? The dealer (Mercedes of Annapolis) was no help in identifying the part and told me according to their diagram the line is only sold by the meter and that I have to make it myself. Also if anyone knows where all 3 of the lines go.

Thanks for any help. I can not find much online about this p


art. Most posts talk about leaks from the rear accumulator area.
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Old Aug 15, 2024 | 07:17 AM
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MikeJ65's Avatar
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From: Gretna, NE
'03 SL55 Black, '03 SL500's Aegean, Mars Red, Tazanite, Alabaster, '11 S550 Flint Gray
230-320-81-53, I think is is still available, I bought one a few months ago.
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Old Aug 15, 2024 | 09:31 AM
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From: Bowie Maryland
2004 SL500 - R230
Originally Posted by MikeJ65
230-320-81-53, I think is is still available, I bought one a few months ago.
Thank you so much!!!
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