The Benz Den is Belmont's premier German Auto Repair shop servicing Arlington, Belmont, Lexington, and Waltham area for over 20 years. If you need service, repair scheduled maintenance, tires, brakes, A/C, exhaust mufflers, and more on your Mercedes Benz or Audi vehicle, our ASE Master Certified, Trained Technicians, have the factory tools to repair them correctly the first time. We take a personal interest in our customers' cars and treat them like our own.