2285 Crain Hwy Waldorf, MD 20601 (301)-645-6775 Book Your Visit

Auto Repair

Auto Repair Services

  • What Service Do You Need?
    • Auto Air Conditioning Repair & Recharging
    • Auto Tune Ups
    • Battery Charging & Replacement
    • Belts & Hoses Replacement
    • Brake Service Repair or Replacement
    • Cabin Air Filter
    • Catalytic Converter Replacement
    • Check Engine Light
    • Computerized Diagnostics
    • CV Joint Replacement
    • Diesel Engine Maintenance
    • Differential Service
    • Drive Train
    • Emissions Repair specialist
    • Engine Air Filter
    • Engine Cooling & Coolant Service
    • Exhaust or Muffler Systems Repair
    • Factory & Scheduled Periodic Maintenance
    • Flat Repair
    • Four Wheel Drive
    • Front End Repair
    • Fuel Filter
    • Fuel Injectors
    • Fuel Pumps
    • Headlamp Replacement
    • Ignition Switch
    • Oil Lube & Filter Change
    • PVC Filter Replacement
    • PCV Valve
    • Power Steering Service
    • Radiator & Coolant Flush Service
    • Serpentine Belt
    • Shocks & Struts Service
    • State Emissions
    • State Inspections
    • Suspension Service
    • Timing Belt Replacement
    • Towing
    • Tire Pressure Monitoring System
    • Transmission Service
    • Vehicle Inspections
    • Water Pump
    • Wheel Alignment
    • Wheel Balancing

Summer Specials

  • At Mr. Muffler Auto Care
    • $180 A/C SERVICING
    • $50 OFF ANY $400 OR MORE SERVICE

Performance Upgrades

  • We will install your parts
          *No Warranty on Customer Supplied Parts*
    • Header installs
    • Coil overs
    • Down pipes
    • Cold air intakes
    • Exhaust kits
At Mr Muffler Auto Care our trusted ASE Certified mechanics have years of experience in handling any auto repair and maintenance service for your car, truck, SUV, van, or classic vehicle.  Located in Waldorf, MD.  People come to Mr Muffler Auto Care knowing that they are going to get their vehicles repaired at a fair price, and as quickly as possible, without sacrificing safety or reliability.

Auto Repair

If you hear, feel, or see anything out of the ordinary, or just have a car care concern. Mr. Muffler Auto Care is here to help. Put your trust in the experts with over 40 years in the automotive industry.

  • Computer diagnostics
  • Engine, transmission, and clutch repair
  • Starters, alternators, and fuel injection service and repair
  • Air Conditioner and cooling systems
  • Shocks, struts, and axles
  • Chassis and suspension
  • … and so much more!

Call or stop by today and see what it’s like to be part of the Mr. Muffler Auto Care family.

Auto Repair

Check engine light diagnostic

We know that no one wants to see a check engine light on, the light could mean many things from a costly problem, like a bad catalytic converter, to something minor such as a loose gas tank cap. We pride ourselves in our knowledge of auto electrical repair, emissions and maintenance to get your car back on the road.  Our auto repair shop is ready to serve all your car's electrical repair and maintenance needs.

Trust Mr Muffler Auto Care to resolve your vehicle's electrical problems properly, the first time around!
Check engine light diagnostic

Brake System Inspection 

If your brakes squeal, grind, grab causing jerky stops, shaking steering wheel or your warning light flashes it may be time for a brake system inspection. Mr Muffler Auto Care offers a free brake and safety inspection on most cars and light trucks. Waiting for your brakes to squeal, make grinding noises or a soft pedal can be a costly mistake causing more damage to the braking system or even safety issues and concerns, so stop by Mr Muffler Auto Care for a free brake inspection today.
  • ABS Control Module Replacement
  • ABS Light Inspection
  • Brake Booster Replacement
  • Brake Caliper Replacement
  • Brake Drum Replacement
  • Brake Fluid Flush
  • Brake Hose Replacement
  • Brake Light Checks
  • Brake Light Switch Replacement
  • Brake Master Cylinder Replacement
  • Brake Pads Replacement
  • Brake Pad Sensor Replacement
  • Brake Rotors Replacement
  • Brake System Flush
  • Brake System Inspections
  • New custom made brake lines and brake line repairs
Brake System Inspection 

Professional Tune-Up Services

At Mr Muffler Auto Car in Waldorf, MD, we understand the importance of regular tune-ups in maintaining the performance, fuel efficiency, and reliability of your vehicle. Our technicians can provide comprehensive automotive tune-up services needed to your vehicle specific make and model. Whether you have a car, truck, or SUV, our knowledge and experience will keep your vehicle running smoothly.
Signs Your Vehicle Needs a Tune-Up
  • Decreased fuel efficiency
  • Difficulty starting the engine
  • Engine misfires or rough idling
  • Lack of power or acceleration
  • Increased exhaust emissions
  • Worn-out spark plugs
  • Check engine light illumination
Professional Tune-Up Services


Our technicians at Mr Muffler Auto Care will keep your vehicle running smoothly by inspecting your vehicle for the required state safety and emissions requirements. We can help find and repair any issues to make sure your vehicle meets your states requirements and your vehicle is safe for you and your family.

Air Conditioning

If you're looking for an air conditioning mechanic in Waldorf, Clinton, White Plains or La Plata, MD because your vehicles Air Conditioning system is just blowing out warm or hot air don't sweat it. At Mr Muffler Auto Care our ASE Certified Air Conditioning Mechanics can solve your problem and get your vehicle's air conditioning blowing cold air again. From a freon recharge to a new air conditioning compressor replacement to even the most complex heating/cooling electrical problem, our technicians at Mr Muffler Auto Care will use the latest technology and equipment to find your problem quickly and accurately. 
Your car, truck or SUV's air conditioning system may lose refrigerant over time, and require an air conditioning system recharge, which is why it's a good idea to have your system checked annually.
Air Conditioning

Steering and suspension

The steering and suspension systems are important for both your safety and comfort when driving as they ensure a smooth ride as your car travels over bumpy roads If you experience any of these symptoms, you should have your suspension and steering evaluated by one of our qualified technicians at Mr muffler auto car:
  • Poor Handling
  • Bouncing
  • Difficulty turning
  • Uneven tread wear
  • Tires wander or shake
Steering and suspension


Any auto repair shop or car part manufacturer will tell you that preventive maintenance is critical to the part's lifespan. Like other auto parts, car transmissions aren't built to last forever. However, you can increase your transmission's lifespan by performing regular preventive maintenance. The best way to maintain peak performance and fuel economy is to provide regular transmission maintenance for your vehicle with a transmission filter and fluid change when your maintenance schedule calls for it .To have your transmission maintained by our expert technicians just call us at Mr Muffler Auto Care.

Scheduled Vehicle Maintenance

Scheduled maintenance is important not only to help avoid costly repairs, but may also be required to retain manufacturer's warranties. Mr Muffler Auto Car can help you with keeping on schedule and performing all your recommended service for your vehicle.  Don't overlook the importance of regular tune-ups in maintaining the performance and reliability of your vehicle.
Scheduled Vehicle Maintenance

Thorough Inspection

Our technicians will inspect your vehicle to assess its overall condition and identify any underlying issues. This includes examining the ignition system, fuel system, air intake system, and other components relevant to the tune-up process.
Thorough Inspection

Spark Plug Replacement

Worn-out or faulty spark plugs can lead to reduced engine performance, misfires, and poor fuel economy. We'll replace your old spark plugs with high-quality, manufacturer-recommended ones to ensure optimal combustion and efficient engine operation.
Spark Plug Replacement

Ignition System Service

The ignition system plays a vital role in starting your vehicle and providing a consistent spark to ignite the fuel-air mixture. We will inspect and service the ignition system components, including ignition coils, spark plug wires, and the distributor or coil-on-plug system, as necessary.
Ignition System Service

Fuel System Cleaning

Over time, deposits can accumulate in the fuel injectors, throttle body, and intake valves, affecting fuel flow and engine performance. We'll perform a thorough fuel system cleaning to remove these deposits, restoring proper fuel atomization and maximizing fuel efficiency.
Fuel System Cleaning

Air Filter Replacement

A clogged or dirty air filter can restrict airflow to the engine, leading to reduced performance and fuel economy. We'll replace your air filter with a new, clean one to ensure a steady flow of clean air to the engine for optimal combustion.
Air Filter Replacement

Computerized Engine Diagnostics

Using advanced diagnostic tools, we'll perform computerized engine diagnostics to retrieve any stored trouble codes and identify potential issues affecting your vehicle's performance. This allows us to address underlying problems and ensure the proper functioning of the engine
Computerized Engine Diagnostics