E-Class (W211) 2003-2009

Reluctor ring question

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Old Nov 13, 2017 | 06:57 AM
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KeithParsons's Avatar
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2005 MB CLK 55 AMG
Reluctor ring question

Good morning,
I am trying to troubleshoot a wheel speed sensor issue. I am getting a code when using a scanner that says the right rear speed sensor is not working. I have replaced the sensor and still have the same code.

A few weeks ago I requested a schematic (with help from MBWORLD) and verified the wiring from the Wheel speed sensor to the ABS (SBC) pump. I still have the same code.

I purchased a used ABS (SBC) pump from ebay, installed it, bled the brakes, and ......I still have the same code.

I purchased a used ESP module. ( I am running out of parts to try!) I installed it. It is the same part number and software version. .....wait for it..... I still have the same code.

My thought now turns to the Reluctor ring. I have read in the forums that it is physically attached to the axle. one post said that the whole axle must be purchased, while another post suggested a site in the UK that had the part available.

I want to try the reluctor ring but when searching, I see 2 or 3 different versions?: a Magnetic version that appears smooth. and also a toothed version. I've included my VIN in this post, and im hoping someone here can tell me which version is on my car before I disassemble my daily driver.
VIN WDBUF26J05A579387
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