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Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53902
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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what does asr light mean on a e320 mercedes benz

Customer Question

what does asr light mean on a e320 mercedes benz
Submitted: 7 years ago.
Category: Mercedes
Expert:  Marty replied 7 years ago.
HiCustomer ASR stands for Acceleration Slip Regulation. It is your traction control system. If the ASR warning light is on a fault has been detected in the system and the ASR will be unavailable. The ASR system will need to be scanned for fault codes in order to begin diagnosis. There are some common problems with the engine wiring harness and with the throttle actuator harness that can cause these symptoms. There are other possibilities as well. I'd start with an inspection of the harnesses and a diagnostic scan. Let me know if you have any questions.


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