Gaithersburg MD Auto Repair Services
Hillmuth Certified Automotive of Gaithersburg is the trusted choice for drivers throughout Montgomery County who need reliable auto repair services. Our ASE Certified Master Technicians handle everything from routine oil changes and scheduled auto maintenance to complex engine diagnostics, transmission repair, and electrical repair.
Backed by decades of experience and advanced equipment, we deliver professional service that keeps your car safe, dependable, and efficient.
Auto Repair Services in Gaithersburg MD
When you’re searching for auto repair services in Gaithersburg, you want more than just a quick fix. At Hillmuth, we combine expertise with honesty, ensuring every service is done right the first time.
From brake inspections and brake repairs to diagnostic services and tire and wheel services, we provide comprehensive solutions to keep your vehicle performing at its best. Our technicians use modern alignment equipment and high-quality parts, giving you results you can trust.
Maryland State Inspection
Drivers in Montgomery County rely on Hillmuth for accurate and thorough Maryland State Inspections. Whether you’re registering a used car or ensuring your current vehicle meets safety requirements, our skilled technicians perform detailed inspections on brakes, tires, steering, suspension, lighting, and emissions systems.
With Hillmuth, you’ll know your vehicle is compliant and safe for the road.
Gaithersburg MD Brake Service
Proper braking power is critical for your safety. Our Gaithersburg team specializes in brake service, including full brake inspections, pad and rotor replacement, and complete brake repairs.
If you’ve noticed squealing, grinding, or reduced stopping ability, our auto mechanics will identify the issue and restore your braking system. With Hillmuth, you get expert care and peace of mind every time you drive.
Engine Diagnostics in Gaithersburg MD
A glowing Check Engine Light can be stressful, but Hillmuth makes it simple. We provide advanced engine diagnostics in Gaithersburg, identifying issues with sensors, emissions, fuel systems, and more.
Our diagnostic software goes beyond surface-level checks, giving you accurate answers and the right repairs. Whether it’s an oxygen sensor, misfire, or complex system fault, our technicians will resolve the problem efficiently.

Gaithersburg, MD
Monday - Friday 7:30 AM–6 PM
19300 Woodfield Rd,
Gaithersburg, MD 20879
301-963-0660
About:
For more than 40 years, Hillmuth has been the name Montgomery County drivers trust for quality auto repair services.
From oil changes and brake repairs to towing service, transmission repair, and advanced diagnostic services, our Gaithersburg location provides comprehensive care backed by ASE Certified technicians. Every repair comes with a 3-year/36,000-mile nationwide warranty, giving you extra confidence on the road.
Maryland Emissions Repair Experts
If your car fails an emissions test, Hillmuth is here to help. Our shop is staffed with Maryland emissions repair experts who handle everything from faulty oxygen sensors to catalytic converter replacements.
We ensure your vehicle not only passes inspection but also runs cleaner and more efficiently. By choosing Hillmuth, you’re investing in long-term reliability and compliance.
Gaithersburg MD Tire Service
Healthy tires are essential for safe driving. That’s why our Gaithersburg location offers full tire and wheel services, including rotations, balancing, flat repair, and replacements.
We also provide vehicle alignment using state-of-the-art alignment equipment to extend tire life and improve handling.
Whether you need a quick fix or a new set of tires, Hillmuth delivers dependable tire service tailored to your vehicle.
Automotive Maintenance in Gaithersburg
Staying on top of automotive maintenance is the best way to prevent costly repairs and breakdowns. At Hillmuth, we offer Milestone Services, which include all the auto maintenance your vehicle needs to reach 250,000 miles or more.
We perform routine oil changes, fluid checks, filter replacements, and tune-ups. Our use of premium engine motor oil ensures your engine stays protected and efficient.
Preventive vehicle maintenance keeps your car performing at its peak, reduces long-term costs, and helps you enjoy a smoother driving experience.
