What is wrong with your Mercedes Ml350 The Oil Hi indication keeps beeping and over rides the speedo Oil is fine?

The "Oil Hi" indication in your Mercedes ML350 likely signals an issue with the engine oil level sensor or a malfunction in the oil level monitoring system. Even if the oil level appears fine, the sensor may be giving a false reading due to dirt, damage, or electrical issues. It's advisable to have the vehicle diagnosed by a professional to identify the exact cause and ensure that there are no underlying problems affecting the engine.