Mercedes-Benz ML430 gas pedal not working after water exposure from open sunroof on Mercedes-Benz ML430

Some Mercedes-Benz ML430 owners report experiencing issues with the gas pedal after water exposure from an open sunroof, which can lead to electrical problems affecting components like the throttle sensor. Additionally, driving through water, particularly during severe weather, may damage sensors such as the O2 sensor, resulting in misfiring and performance issues. Some owners also notice the BAS/ESP light illuminating after battery replacement, indicating potential faults in the Brake Assist System or Electronic Stability Program that could correlate with throttle response problems. Furthermore, a flashing EPC light on the dashboard may signal various issues, including malfunctioning oil sensors or electrical faults. In some instances, water contamination in the fuel system due to flooding or poor-quality gas can also negatively impact engine performance. It is recommended that owners experiencing a non-responsive gas pedal seek inspection from a qualified mechanic or dealership to diagnose and address the underlying issues.