wanted to see if anyone has run into this issue with this platform - I ran into a random check engine light with no performance issues - car ran just fine but I took into Mercedes just incase. Turns out, there's a small fuel leak and both purge valves need to be replaced now - Is this a common issue with these cars? The car only has 14,000 miles - assuming the heat cycles might be causing it but any insight would be helpful. Quoted $750 to replaced both