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

SL/R230: how do I disable the ABC - Drive carefully - sound?

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Old Mar 15, 2017 | 11:09 PM
  #1  
Martin Cruz's Avatar
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sl500 r230 2004
how do I disable the ABC - Drive carefully - sound?

I have replaced the struts and ABC power steering pump to no avail.

everytime i hit a tiny bumb on the road , the dashboard turns read and pings "ABC drive carefully"

how do i disable that pinging sound ?
thanks




(sl500 , r230, 2004 , v8 306hp, 4.9L engine)
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Old Mar 15, 2017 | 11:32 PM
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Sounds like you may need accumulators or have air in the system.
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Old Mar 16, 2017 | 05:54 AM
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Originally Posted by Martin Cruz
I have replaced the struts and ABC power steering pump to no avail.

everytime i hit a tiny bumb on the road , the dashboard turns read and pings "ABC drive carefully"

how do i disable that pinging sound ?
thanks




(sl500 , r230, 2004 , v8 306hp, 4.9L engine)
By fixing the problem.
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Old Mar 16, 2017 | 09:24 AM
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Originally Posted by BlownV8
Sounds like you may need accumulators or have air in the system.
+1
That is the symptom of blown accumulators. Plan to do all 4.
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Old Mar 16, 2017 | 07:39 PM
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May I chime in with a question? These accumulators, I've seen them for sale from anywhere from $120 to over $350 each. Can they be rebuilt or just different manufacturers (aftermarket crap)?
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Old Mar 16, 2017 | 08:03 PM
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They can't be rebuilt, the rubber membrane inside breaks down and they lose the nitrogen charge they have.

Just buy new OEM ones, they aren't cheap but they are key to the system working correctly.
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Old Mar 16, 2017 | 08:07 PM
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Groovy, got it.
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Old Mar 17, 2017 | 08:25 AM
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Your MY 2008 550 has 3 accumulators; 1 pulsation dampener mounted on the pump(hopefully replaced with the new pump) and 2 pressure accumulators, front and rear , located in front of wheel wells driver side front and rear. I recently replaced all 3 , the small pulsation dampener was around $300, the 2 pressure accumulators were around $140 each . Not sure why the much smaller pulsation dampener was twice the price of the accumulators. My pulsation dampener and rear accumulator failed within weeks of each other , so replace all 3. My 2007 550 has 45K which seems to be within the normal time for failure. From what I have learned this is considered normal maintenance for these cars. Be sure to replace the fluid and filter at the same time if you have not done so already.
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Old Mar 17, 2017 | 10:01 AM
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the corteco ones should be the same as MB ones and can be found online cheaper.
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Old Mar 17, 2017 | 10:30 AM
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Those are the ones I purchased and were identical to the originals
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Old Mar 17, 2017 | 10:38 AM
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Make sure you purchase the ones specific for the MY07 and later, they are different than the earlier years and there are only 3 rather than 4 in 03-06. I found the best price for the 2 pressure accumulators to be PartsGeek.com. I do not recall where I found the pulsation dampener, I think I just did an eBay or google search.
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Old Mar 18, 2017 | 07:41 PM
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Martin: Thanks for posting this question!!
Learning more each day...
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Old Mar 19, 2017 | 03:51 PM
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SL500 AMG 2003
Anyone have the OEM part number for those accumulators ?
The large ones are 2203270115 .
Are there any else I should have replaced?



I own a sl500 v8 engine 306hp 2002 and would like to order a few. Not sure how many I would need to replace all of them


thanks for posting the question Cruz

Last edited by nordicsl; Mar 19, 2017 at 03:59 PM.
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Old Mar 20, 2017 | 07:47 AM
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As I've read on other threads, it's best to practice "preventive medicine" and replace all the accumulators and pulsation dampers. Also do a fluid flush and filter change.

Tim
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