Welcome to Part 2 of the Mercedes-Benz Bosch MED17.7.3 Calibration Course.

In this advanced practical episode, we take the maps identified in Part 1 and apply calculated, dyno-tested calibration strategies to maximize power and drivability while ensuring total engine safety. Moving away from percentage-based edits, this lesson teaches you the exact mathematical workflow to tune Bosch MED17.7.3 torque-based control logic.

Maps & Strategies Calibrated in Part 2:

• Torque Management & Driver Request: Calibrate Driver Wish Maps, Torque Monitoring, and Load Limits to sharpen throttle response and eliminate intervention.

• Ignition Timing Suite: Calculate and balance Base Spark Advance, Optimum Spark Advance, and Minimum Spark Advance limits for peak combustion efficiency without knock.

• Fueling & Injection Timing: Optimize target AFR (Air-Fuel Ratio) and injection timing across load ranges for maximum safe performance.

• Airflow & Throttle Control: Adjust Air Quantity limits and Throttle Valve Angle tables to achieve a linear, smooth torque and horsepower curve across the entire RPM band.

• Overrun Fuel Cut-Off (Pops & Bangs Logic): Understand the mechanics of overrun fuel delay and torque interaction for optional overrun strategies.

• Safety & Thermal Management: Keep Exhaust Gas Temperature (EGT) safe and prevent thermal overload under sustained full-load operation.

By the end of this lesson, you will be able to deliver a smooth, high-performing, dyno-validated Stage 1 or Stage 2 calibration with OEM-level reliability.