Good day, for more than ten years I own a Smart 451 (71PS) MHD. Slowly certain larger repairs have to be made. Unfortunately, I notice increasingly that even the contract workshop in the enthusiasm for older smarts is greatly diminished and my confidence in the delivered performance is no longer given. Therefore my question: Which workshop in the Lüdenscheid / Hagen / Dortmund / Märkischer Kreis is recommended. I am primarily concerned about professional and skilled work. Thanks for the feedback.