Per the recommendation of Mercedes roadside assistance, I had my car towed to the dealer where we purchased our car (and tire insurance) - Helms Brothers. Normally we use a dealer closer by (Rallye) for service issues since it's easier for me to get there and back, but I went with the suggestion. So glad I did! Carmine Gonzalez had my tires replaced in less than a day, had the car washed before I even asked and then had a shuttle come get me while my kids were in camp...my husband was so impressed that we will be going to Helms for our service needs going forward even though it's not that close to home. Thanks, Carmine!