This comprehensive workshop service repair manual provides in-depth instructions for servicing and repairing the Freightliner Business Class M2 100, 106, and 112 model trucks. It covers a wide range of components, including various engines, transmissions, axles, and electrical systems. The manual is designed to be useful for both professional mechanics and individuals who wish to perform their own maintenance and repairs to save money. It is organized into sections covering general information, maintenance, service tools, engine systems, frame and components, suspension systems, wheels and tires, driveline systems, brake systems, steering systems, fuel systems, exhaust systems, electrical systems, instruments and controls, restraint systems, and painting systems. This detailed manual contains troubleshooting tips and electrical diagrams to simplify the repair process. The manual covers the following engines: Caterpillar 3126/C7 I6 Diesel, ISB5.9 I6 Diesel, ISB6.7 I6 Diesel, ISC I6 Diesel, ISL I6 Diesel, ISL-G I6 Diesel, Detroit Diesel DD13 I6 Diesel, Mercedes-Benz MBE900 I4 Diesel, and Mercedes-Benz MBE900 I6 Diesel. Included transmissions are: Eaton Fuller manual transmissions, Allison automatic transmissions, Freightliner AMT3 automated-manual transmissions, Mercedes-Benz automated-manual transmissions, and Mercedes-Benz manual transmissions including MBT520S-6D and MBT660S-6O. With over 2600 pages of detailed information, this manual is an invaluable resource for anyone working on these vehicles.

The Freightliner Business Class M2 is a versatile and reliable medium-duty truck designed for a wide range of applications, from delivery and distribution to construction and utility work. The M2 series encompasses a variety of models, each tailored to specific needs and featuring a robust chassis capable of handling heavy payloads. The M2 100, M2 106, and M2 112 models, specifically targeted in this service manual, represent the core of the M2 line. These trucks offer a balance of power, efficiency, and maneuverability, making them ideal for businesses requiring dependable transportation of goods and materials. The M2 100, M2 106, and M2 112 models are powered by a variety of Cummins ISB and ISC engines, providing a range of horsepower and torque options to suit specific applications. These engines are known for their durability and fuel efficiency, contributing to the M2's reputation for reliability and low operating costs. The trucks offer various transmission options, including manual, automated, and Allison automatic transmissions, offering flexibility and control for different driving styles and environments. This service manual, specifically tailored for the Business Class M2 100, 106, and 112 models, provides in-depth information and step-by-step instructions for technicians and mechanics to perform routine maintenance, repairs, and troubleshooting. The manual covers various systems, including the engine, transmission, brakes, suspension, and electrical systems, ensuring efficient and effective service for these dependable workhorses.