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As I noted ASR is a 2 fold system..traction & electronic accelerator.
IF only the ASR lamp comes then codes need to be read from the EC/CC/ISC system only.
IF both the ASR & ABS lamps come on then the traction system codes & the EA codes must be read..ODB2 won't get the job done...a dedicated scanner for MB is required.
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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
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190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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