Comprehensive Auto Maintenance and Repair Services
We pride ourselves on offering a wide variety of services to address every aspect of your vehicle’s or fleet's care. Whether it’s routine maintenance or complex repairs, you can count on Mechanic On Duty to get the job done right.

Auto Maintenance and Fleet Maintenance
We provide auto maintenance for individuals and businesses with fleets of vehicles. From oil changes to tire rotations, our services are designed to keep your car or fleet performing at its best.
Oil Changes
Keep your engine running smoothly with our quick and efficient mobile oil change services. We come to your location—whether for your personal vehicle or an entire business fleet—and use high-quality oils and filters to maintain optimal performance and protect your engine.
Auto Fluids and Filters Maintenance
Maintaining clean fluids and filters is crucial for your vehicle’s efficiency. Our mobile maintenance services ensure your personal car or fleet vehicles stay in peak condition by inspecting and replacing vital fluids and filters at your convenience.
Tire ROTATIon Services
Our tire rotation services ensure optimal performance, improved fuel efficiency, and enhanced safety on the road for your fleet or personal car.
Brake Services
Your safety is our priority. With our mobile brake services, we provide comprehensive brake inspections, pad replacements, and system repairs for individual vehicles and business fleets, ensuring reliable stopping power wherever you are.
Battery Services
Avoid unexpected breakdowns with our mobile battery testing, maintenance, and replacement services. Whether for your car or an entire fleet, we’ll come to you to ensure dependable performance.
Engine Diagnostics
When your check engine light comes on, trust us to come to you. Our mobile engine diagnostics services use advanced tools to identify and fix engine problems quickly for both personal vehicles and business fleets.
AC and Heating Repair
Stay comfortable year-round with our mobile AC and heating repair services. We’ll fix refrigerant leaks, faulty heater cores, and more for individuals and business fleets, wherever you need us.
Cooling System Maintenance
Prevent overheating and protect your engine with our mobile cooling system services, including radiator repairs, coolant flushes, and thermostat replacements. Perfect for personal vehicles and business fleets.
Fuel System Services
Our mobile fuel system services ensure your engine runs efficiently. From injector cleaning to filter replacements, we handle fuel system maintenance for individual cars and entire fleets on-site.
Routine Automotive Maintenance
Stay on top of your vehicle’s health with our mobile routine maintenance services, including inspections, tune-ups, and system checks tailored to manufacturer recommendations for personal cars and fleets.
Suspension and Steering Services
A smooth ride and responsive handling are essential for safety. Our mobile suspension and steering services inspect and repair components for personal vehicles and fleets, keeping your drive stable and comfortable.
Check Engine Light Diagnostics
Don’t ignore your check engine light. Our mobile diagnostics team identifies and resolves the issue quickly for both individual cars and business fleets, restoring performance at your location.
Trusted Auto Care serving Charlotte, NC and surrounding areas
Mechanic On Duty is dedicated to providing top-notch service, whether you’re visiting for a simple oil change or extensive repairs to your fleet. We take pride in our transparent communication, expert workmanship, and commitment to customer satisfaction. Visit Mechanic On Duty in Rock Hill, SC or have us come to you in Charlotte, NC and surrounding areas, today for all your auto maintenance and repair needs. Schedule an appointment or stop by, and let our experienced team keep your vehicle running at its best.