This official service and repair manual provides comprehensive guidance for the 2012 Mitsubishi Lancer and Lancer Sportback. Built on the versatile GS platform, these vehicles are known for their sporty styling, influenced by Mitsubishi's rally heritage, and offer a range of gasoline engines, including 2.0L and 2.4L MIVEC variants, paired with either a 5-speed manual or a 6-speed INVECS-III Sportronic CVT transmission. The Lancer line is recognized for its affordability, durability, and distinctive design, competing in the compact segment with a focus on value and driving engagement, available in both sedan and practical hatchback body styles.

This manual serves as an essential resource for owners, technicians, and mechanics, detailing all aspects of vehicle maintenance, repair, and diagnostics. It covers powertrain systems, including engine mechanicals and transmissions, as well as chassis components such as suspension, steering, and brakes. Extensive electrical system information, complete with wiring diagrams and troubleshooting guides, is also provided. The manual offers step-by-step procedures for routine maintenance, component replacement, and complex repairs, ensuring the Lancer and Lancer Sportback remain in optimal condition.