2003 MERCEDES BENZ S500 AIR RIDE SUSPENTION

  • Tiny
  • dd_110588
  • 2003 Mercedes Benz S500

Suspension problem
2003 Mercedes Benz S500 V8 Two Wheel Drive Automatic 27, *** miles

I was driving the s500 on the highway and out of nowhere the air ride just quit and the car slammed on the ground. I few weeks before that I had taking it to the dealer and they toll me the brain that controls the air suspention had some corrosion on and needed to be replaced, so now I bought a new brain and the car is still the same, so is there any way to reset the system or do something so that it would go back up?

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Monday, July 26th, 2010 AT 10:44 AM

5 Replies

  • Tiny
  • merlin2021
  • Expert
  • 17,587 posts

First I need to know what slams to the ground, front? Back? Or the entire car?
This is from MB on single axle lowering.
VEHICLE LEVEL LOWERS ON A SINGLE AXLE TECHNICAL SERVICE BULLETIN Reference Number(s): P-B-32.50/42, Date of Issue: October 11, 2006 Related Ref Number(s): 32.50/42 ARTICLE BEGINNING SUBJECT Model 215.373/374/375/376/378/379 Model 220.170/173/174/175/176/178/179, with Active Body Control (ABC) code 487 Model 221.171/176/179, with Active Body Control (ABC) code 487 Model 230.471/474/475/476/477/479 All Model Years Vehicle Level Lowers on a Single Axle SERVICE INFORMATION If you receive customer reports in the above model vehicles of the vehicle's level lowering on a single axle on a single side after an idle time lasting from 1 day to one week, perform the new filter repair method as outlined in WIS document AR32.50-P-0025A instead of the previous flushing method. Leveling complaints resulting from dirty ABC hydraulic fluid can be rectified just as effectively by filtering as by the conventional flushing method (replacing the hydraulic fluid). The new repair method is possible because the mesh width of the ABC filter was modified from 10microm to 3microm. Filtering is of no use if the ABC fluid is dark black or smells burnt. In such cases the hydraulic fluid must be replaced, reference WIS document AR32.50-P-0026A.
MERCEDES- BENZ: Model 215.373/374/375/376/378/379; Model 220.170/173/174/175/176/178/179; Model 221.171/176/179; Model 230.471/474/475/476/477/479 GROUP: 32 - Suspension NOTE: Vehicle lowering is generally not the result of a malfunction of a suspension strut. The suspension strut can only be responsible for vehicle lowering if it has an external leak. This can be recognized by an oil fouled boot. NOTE: The revised 3microm ABC filter entered series production as of October 2005.

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Thursday, July 29th, 2010 AT 5:24 PM
  • Tiny
  • dd_110588
  • Member

The whole car is slammed on the groung right now. Also the car does not have ABC.

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Friday, July 30th, 2010 AT 9:41 AM
  • Tiny
  • merlin2021
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  • 17,587 posts

There is a technical service bulletin on the wiring being cut by the wiper linkage, I will email it to you.

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Friday, July 30th, 2010 AT 11:58 AM
  • Tiny
  • haroldgene
  • Member

Check out Strutmasters; they have a great conversion kit!

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Monday, January 24th, 2011 AT 6:54 PM
  • Tiny
  • merlin2021
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  • 17,587 posts

Probably fixed by now

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Monday, January 24th, 2011 AT 11:54 PM

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