Hagerty Media reader DUB6 writes: Sajeev, I’m going to turn your high-powered investigative prowess onto a topic that might be appropriate, since warmer weather is right over the horizon. Some of us ...

Sajeev, I’m looking for advice on the oil-in-harness issue for my 2014 Mercedes E350 (80,000 miles). I was performing preventive maintenance and currently have no check engine lights or fault codes.

One of the last noises you want to hear from under the hood of your car is a knocking sound. If you're familiar with engine knocks, you might immediately imagine having to pay thousands of dollars to ...