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Q:

BAS ESP ON on 2003 Mercedes-Benz ML500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
TWO DAYS AGO THE BAS ESB LIGHT ON.
HOW CAN I DO TO REPAIR IT MY SELF ?
(1) Answer
First you need to invest thousands of dollars into an OE diagnostic computer with lots of training material and run a system check to see what could be the cause.
Sometimes there is a bad connection at the control unit due to corrosions, but it could be a bad sensor. I'd suggest to take it to a MB specialty shop to diagnosed it correctly.

Zee