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Mercedes-AMG Tackles Torque Sensor Challenges Ahead of Rolex 24

Carl Harrison by Carl Harrison
January 23, 2025
in Motorsports
Reading Time: 3 mins read
0
Mercedes-AMG Tackles Torque Sensor Challenges Ahead of Rolex 24

Mercedes-AMG Customer Racing boss Stefan Wendl expressed confidence that his team has resolved the initial hurdles posed by the introduction of torque sensors ahead of the Rolex 24 at Daytona. After encountering communication issues between the Mercedes-AMG ECU and the IMSA-supplied ECU during pre-season testing, Wendl affirmed that his team’s swift response and technical ingenuity have set the stage for a competitive performance.


Challenges and Solutions

The torque sensor integration was a significant change for the AMG GT3 EVOs, requiring extensive adjustments to ensure seamless communication between the cars’ systems and IMSA’s official timing and logging infrastructure. Despite preparatory track sessions at Portimao and Paul Ricard, the first opportunity to run under IMSA’s full race environment came during the Roar Before the 24 test weekend.

Key Issues:

  1. ECU Communication Breakdown:
    • Data from the torque sensors was not being correctly received or processed, affecting power output regulation.
  2. Timing and Logging Errors:
    • Miscommunication between the car’s software and IMSA’s systems led to inaccurate lap resets and stint tracking.

Immediate Actions:

Mercedes-AMG’s software team in Germany worked around the clock to deploy a firmware update overnight during the test weekend. This update resolved the misrouting issues and allowed for proper data synchronization. By Saturday morning, the system was operational, and teams began gathering critical data for optimization.


Collaborative Efforts

Wendl highlighted the importance of collaboration among Mercedes-AMG’s customer teams. A workshop was organized to share experiences and develop baseline recommendations for setups under the new system.

“We made a workaround to survive the first day… Now the system has been running since Saturday morning,” Wendl said.
“We are all learning from each other at this very early stage.”


Expectations for the Rolex 24

While Mercedes-AMG is back on track, Wendl remains cautious about the team’s chances in the GTD PRO and GTD classes. Defending the GTD title and vying for victory will require overcoming a lack of real-world experience with the updated system.

“We are a little bit on the back foot… I do not see us as the favorite,” Wendl admitted.
“But we are challenging ourselves to speed the process up. I hope we can fight for victory.”


Looking Ahead

With Free Practice 1 complete, Mercedes-AMG appears to have stabilized its footing. However, the true test will come during the grueling 24-hour race, where consistency and reliability will be paramount. Despite the uphill battle, Mercedes-AMG’s quick adaptation and strong teamwork position them as a formidable contender in one of motorsport’s most prestigious endurance events.

As the clock ticks down to the green flag, all eyes will be on whether AMG’s late-night efforts can translate into a successful defense of their crown and a competitive showing across the board.

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