I had a 1987 190E 2.3L engine. I felt they were underpowered. I was, also, told this after purchasing it. With the air conditioning on with any load in it... it shifted very harsh. It was a quiet running car, and with only the driver in it and no power equp. on it did fine. I drove a 2.6L a time or two after purchasing mine, and it gave me a better all around feeling. Like why didn't I get that one!! If you like it ... that's the most important thing!!