Mercedes-Benz CLK320 hard acceleration triggers Limp Home Mode, resolved by replacing Throttle Position Sensor on Mercedes-Benz CLK320

Submitted by Kupalani · May 9, 2026
Published by RepairPal

Problem overview

Some Mercedes-Benz CLK320 owners report experiencing issues with hard acceleration triggering Limp Home Mode, a safety feature that reduces engine power to prevent damage when a critical error is detected. This situation can often be resolved by replacing the Throttle Position Sensor, which is essential for communicating the throttle's position to the engine control unit and ensuring optimal engine performance. Without addressing this issue, owners may continue to face the risk of their vehicle entering Limp Home Mode during hard acceleration.

2 people reported this problem
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Mercedes-Benz CLK320 vehicles with this problem

Average mileage: 166,000 miles
(145,000 - 187,000)

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