At Sonoma Auto Tech auto shop, we work on all makes and models including Mercedes Benz and BMW. Our auto shop technicians are ASC certified and we only use state-of-the-art equipment to ensure the best outcome for your vehicles. We are Vallejo's trusted auto repair shop with professional staff and a family environment. At Sonoma Auto Tech auto shop, we work on all makes and models including Mercedes Benz and BMW. Our auto shop technicians are ASC certified and we only use state-of-the-art equipment to ensure the best outcome for your vehicles. We are Vallejo's trusted auto repair shop with professional staff and a family environment.