M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

ABS active on its own

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Old 05-19-2024, 12:47 PM
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Ml 320 cdi
ABS active on its own

My ML w164 has developed a fault with the following codes, 5132, 5136, 7270. This happened quite suddenly and it appeared as though the ABS was activating on 1 rear wheel. I disconnected the rear Sam unit o/s/R which allowed me to drive home. The Sam u it has been apparently b4 but it all looks good inside no water staining or corrosion on the plugs. Just a wheel sensor????
Old 05-19-2024, 06:17 PM
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bone stock E55 AMG
moved to W164 forum...
Old 05-20-2024, 04:03 AM
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I had a grinding noise on one of my front wheels at low speed (ABS sound) and EPS started to brake on its own. Together with the ABS, EPS etc warnings on the screen. Changed wheel speed sensors and all is well
Old 05-21-2024, 02:54 AM
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Ml 320 cdi
Originally Posted by Smiffy177
My ML w164 has developed a fault with the following codes, 5132, 5136, 7270. This happened quite suddenly and it appeared as though the ABS was activating on 1 rear wheel. I disconnected the rear Sam unit o/s/R which allowed me to drive home. The Sam u it has been apparently b4 but it all looks good inside no water staining or corrosion on the plugs. Just a wheel sensor????
Problems solved. Replaced sensor
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Old 05-21-2024, 03:47 PM
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2013 ML350 Bluetec
Thanks for posting your solution!
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