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Q: Transmission Control Module on 1997 Mercedes-Benz E420

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
My car is staying in 1st gear. I remember my audi did the same thing and I was wondering if the TCM is the cause. Also where is the TCM located in my car
(1) Answer
This type of problem will need a diagnosis to determine the fault. I wouldn't try replacing any parts until a diagnosis is performed!