Welcome to the owner's manual for the C-Class C300, model year 2009, chassis code W204. This vehicle embodies a legacy of luxury, engineering excellence, and safety, offering a premium driving experience in the compact executive segment. Powered by a refined 3.0L V6 engine (M272) producing 228 horsepower and 221 lb-ft of torque, the C300 delivers capable performance, complemented by a smooth 7-speed automatic transmission. Notable features include a premium interior, a comfortable ride, and advanced safety systems, making it a strong competitor in its class.

This comprehensive owner's manual serves as your primary guide to understanding and operating your C300. It covers essential information from instrument cluster indicators and climate controls to detailed procedures for routine maintenance, fluid checks, and basic care. You will find specifications for lubricants, refill capacities, and part number references for common maintenance items. The manual also outlines operational procedures for various vehicle systems, ensuring you can safely and effectively utilize all the features your C300 has to offer, from its infotainment system to its safety restraints.