C & S Mobile Repair is a mobile diesel truck repair company that provides emergency truck repair as well as trailer repair, onsite. We are a trusted resource that the trucking industry relies on for experienced mobile diesel mechanics in Northern Lower Michigan.​ ​ D.O.T. Inspections Welding & Fabrications Truck & Trailer Repairs Engine Repair Diesel Truck Repair Emergency Breakdown Services. BIT and DOT Inspections. A/C Services, Repairs, and Upgrades. Diagnostic, Code Extractio