Cornerstone Auto Service specializes in servicing foreign vehicles, particularly European and Asian cars. Located in the Mid-Ohio Valley, the shop boasts dealership-level expertise, especially for brands like BMW, Audi, Mercedes Benz, and Porsche. Customers appreciate the knowledgeable and honest staff, who are dedicated to providing high-quality service at fair prices. The shop utilizes the latest technology for diagnostics, ensuring accurate assessments and efficient repairs. Many reviews highlight the exceptional customer service, with the owner, Tony, personally attending to clients and demonstrating genuine care for their vehicles. One customer noted being stranded with a Porsche Macan, and despite being busy, Tony prioritized their situation, showcasing outstanding customer service. Another customer praised the thorough inspection of their Mercedes, which resolved long-standing issues that other shops could not fix. While the majority of experiences are positive, there was a mention of a diagnostic sheet mix-up, which raised concerns about communication. However, overall, the shop maintains a clean environment and a professional demeanor, earning high recommendations from satisfied clients. With a commitment to integrity and quality, Cornerstone Auto Service stands out as a reliable choice for foreign car owners seeking expert care without the high dealership costs.
We broke down on the side of I-77 outside Parkersburg. We were able to limp it to this shop and they were so helpful and had us back on the road in a few hours! Exceptional customer service and work! Thank you!
August 2026
Always friendly always reasonable and amazing work they perform, id recommend this mechanic shop to all my family and friends. Their honest which is more rare then people recognize. Thank you Cornerstone crew your awesome. I will never take my vehicle anywhere else. Yall have proven to be the best.
August 2026
Amazing service and pricing! Would recommend any day 🤟🏼
