Oklahoma City Auto Repair

Call Us: (405) 942-5523
Mon - Fri: 7:00 AM - 5:30 PM

We Love Your Cars

Front of the shop - Milex Complete Auto Care, Powered by Mr. Transmission

“Keeping You Road Ready with Complete Auto Care”

What happens when you take America’s leading transmission repair service and combine it with the professionalism and expertise of Milex Complete Auto Care? You’ve found a one-stop shop solution for all of your automotive repair needs. From preventative maintenance such as oil changes to comprehensive transmission repair- all backed by our Nationwide Warranty.

Welcome to Mr. Transmission and Milex – Complete Auto Care

With over 100 years combined in the transmission and auto repair industry, you can be assured that Mr. Transmission Milex® is the best at repairing and maintaining your vehicle. We are nationwide, which means no matter where you travel a Mr. Transmission Milex is close. We pride ourselves on being able to offer a nationwide warranty that is honored by centers across the country. With over 120 locations nationwide, we are able to service your automotive repair and maintenance needs with the most comprehensive automotive repair facility in the industry. You can have confidence that we can satisfy all your needs in one facility.

If you’re like many people, your car is something you simply can’t function without. So when your vehicle stops working as it should, you need a dependable auto repair shop to get to the bottom of the problem as quickly as possible. The auto repair shop to trust is Mr. Transmission Milex. Whether your car is in need of a minor fix or an extensive overhaul, we’ll give your vehicle our full attention until it’s running the way it should be. We want your experience with us to be a positive one, and our courteous, knowledgeable mechanics will stop at nothing to get you back out on the road as quickly as possible. Our service centers are independently owned and operated franchise locations that exist as part of Moran Family of Brands. Milex is a proud part of the Moran Family of Brands circle. For details about a specific auto repair shop, find a location near you.


1956  Mr. Transmission Established.

Mr. Transmission brings quality transmission repair to the masses.

1967  Milex is founded.

For more than 45 years, consumers have known to "Bring Your Car to Milex®" for complete auto care.

1974  Opened as Don Maynard’s Auto Repair and Parts


1991  Became Doug’s Automotive.

2002  Mr. Transmission and Milex Co-Brand.

Join us in celebrating 100+ years of quality service, affordable prices, and honest work.

2011  Joined the Milex brand to offer the best service and parts.







Mr. Transmission - Milex Complete Auto Care - Oklahoma City is committed to ensuring effective communication and digital accessibility to all users. We are continually improving the user experience for everyone, and apply the relevant accessibility standards to achieve these goals. We welcome your feedback. Please call Mr. Transmission - Milex Complete Auto Care - Oklahoma City (405) 942-5523 if you have any issues in accessing any area of our website.