2009 Mercedes-Benz C-Class C 250, C 300, C 350, C 63 AMG models Operator's Manual (P/N 204_AKB; 3; 69)

• Covers 2009 Mercedes-Benz C 250, C 300, C 350, and C 63 AMG models, including 4MATIC and Sport variants
• Original OEM publication 204_AKB; 3; 69, version 2.11.8.1 (May 2009)
• 364-page factory-issued reference guide, containing over 80 pages of detailed system diagrams, control explanations, and safety parameters

Mechanics and DIY enthusiasts need exact specifications, not guesswork. This comprehensive operator's manual provides the necessary operational foundation for the entire 2009 C-Class lineup. It bridges the gap between basic ownership and professional workshop familiarity, detailing the core systems from the base C 250 up to the high-performance C 63 AMG build.

Document Structure and Contents

The guide follows a logical progression through every facet of the vehicle. It begins with an exhaustive breakdown of passive and active safety systems. You will find complete operational parameters for the Supplementary Restraint System (SRS), Occupant Classification System (OCS), and BabySmart infant restraint compatibility. Technical overviews clarify the exact functions of center console arrays, overhead units, and door control panels across both memory and non-memory seat configurations.

Operational and Technical Data Preview

Understanding the electronic driving aids is critical before putting a vehicle on the lift or interpreting dashboard indicators. This manual details the threshold parameters and operational logic for the Antilock Brake System (ABS), Adaptive Brake, and the Electronic Stability Program (ESP). It explains how the ESP monitors traction and how different driving modes alter the vehicle's dynamic response.

Beyond electronics, the reference sections outline critical fluid capacities and thermal limits. Example data points include coolant system capacities listed at 351 liters and maximum air recirculation thermal limits rated at 195 °C, alongside standard operating speeds up to 250 km/h. Working on complex automotive systems carries inherent risks. Always cross-reference exact specifications with this original OEM documentation before beginning any diagnostic or mechanical work, as these factory parameters are essential for safe and accurate operation.