Business Details
50+ Years
experience
Trusted Auto Repair Services in Mechanicsville & Prince Frederick, MD
At Guy Motors, we have served the Southern Maryland area since 1957, delivering comprehensive auto repair and maintenance services. Our certified technicians specialize in engine diagnostics, transmission repairs, diesel services, key fob programming, and tire solutions. With two locations in Mechanicsville and Prince Frederick, MD, we combine decades of experience with state-of-the-art equipment to ensure fast, reliable service. As a Preferred JASPER Installer, we offer remanufactured parts with warranties up to 3 years/100,000 miles, backed by 67 years of industry expertise. 
Services
Engine Repair
Transmission Services
Diesel Repair
Key Fob Programming
Tire Sales & Installation
State Inspections
Preventive Maintenance
Exhaust System Repairs
Brake Repairs
Wheel Alignment
Details
- Year established: 1957
Highlights and features
- Over 67 years of automotive repair experience in the Mechanicsville area.
- Certified technicians with expertise in engine, transmission, and diesel repairs.
- Authorized JASPER Installer offering remanufactured parts with a 3-year/100,000-mile warranty.
- Specialized key fob programming services without dealership pricing.
- Comprehensive tire services including alignment and road force balancing with Hunter equipment.
Associations and certifications
- JASPER
- National Automotive Service Task Force (NASTF)
Services
Engine Repair
Our technicians specialize in diagnosing and repairing engine issues, including knocking noises and performance problems. We use advanced diagnostic tools and remanufactured JASPER parts to ensure lasting solutions. Services include engine overhauls, turbocharger diagnostics, and preventive maintenance.
Diesel Repair
We offer diesel engine diagnostics, fuel system maintenance, and emissions system checks for both light and heavy-duty vehicles. Our services cover hard starting, smoke troubleshooting, and turbocharger repairs. Preventive maintenance extends engine life and avoids costly breakdowns.
Key Fob Programming
We provide key fob programming, replacement, and reprogramming for lost or damaged keys. Licensed through NASTF, we ensure dealership-level service without the dealership cost. Services include transponder key programming and lockout recovery.
Tire Sales & Installation
We sell and install premium tires from brands like Mastercraft, BFGoodrich, and Michelin. Services include alignment, road force balancing, and flat repair. Hunter Engineering equipment ensures precise fitting for improved fuel efficiency and safety.
Wheel Alignment
Our Hunter Alignment systems correct misalignment issues causing uneven tire wear and steering problems. Laser-guided technology ensures precise adjustments to manufacturer specs. Road force balancing detects hidden vibrations for a smoother ride.
Questions
Do you service both gas and diesel vehicles?
Yes, we specialize in both gasoline and diesel engines, including diagnostics, maintenance, and repairs for all makes and models.
What areas do you serve?
We serve Mechanicsville, Prince Frederick, Hughesville, and surrounding areas in Southern Maryland.
Do you offer tire installations?
Yes, we offer tire sales and installations from trusted brands, along with alignment and balancing services.
Can you reprogram key fobs?
Yes, we provide key fob programming, replacement, and transponder key services without dealership pricing.
What are your hours of operation?
We are open Mon-Fri 8:00 AM-6:00 PM and closed on weekends.
Do you offer warranties on repairs?
Yes, JASPER remanufactured parts come with a 3-year/100,000-mile warranty for gas engines and extended diesel coverage.
