How to Become a Certified Mobile Vehicle Inspector (State Car Inspector Certified) in Missouri | YourMechanic Advice

How to Become a Certified Mobile Vehicle Inspector (State Car Inspector Certified) in Missouri

The state of Missouri requires all motor vehicles to pass a vehicle safety inspection, except in a few specific exemptions. Inspection certifications are awarded by the state, and can offer those seeking an automotive technician job an excellent way to build their resume.

Missouri motor vehicle inspection licensing

There are two types of state vehicle inspection licenses in Missouri: a permit to inspect only motorcycles, and a permit to inspect only motor vehicles. In order to inspect both vehicles and motorcycles, a mechanic must meet the qualifications listed below, and pass two separate examinations – one for each license.

In order to qualify as an inspector/mechanic within the state of Missouri, an automotive service technician must have at least one of the following:

  • One year of practical experience in an auto technician job

  • A degree or certificate of completion from an auto mechanic school or vocational program

Inspector/mechanics must be at least 17 years old, and must pass a written exam that covers all the contents of the inspection manuall. In order to pass the exam, the student must score at least an 80%.

There is no charge to receive an inspector’s permit, and permits are valid for a three-year period. If the inspector’s permit expires, the mechanic must retake the exam to qualify for a new permit. Additionally, state law allows the State Patrol to retest an inspector at any time, for any reason; if the inspector does not pass the exam during a random retesting, their permit will be suspended for at least 30 days. They must then attempt to pass the exam again, and may not perform inspections until they do.

Exams are given in various locations on Tuesdays, Wednesdays, and Thursdays.

To be scheduled for an exam, a mechanic must submit an official Inspector/Mechanic Application to the Missouri State Highway Patrol.

Missouri vehicle inspection requirements

The following exemptions are the only scenarios in which a vehicle does not have to be safety inspected in the state of Missouri:

  • During the first five years from the date the vehicle’s manufacturing. This exemption does not apply to emissions testing.

  • Vehicles registered for more than 26,000 pounds, and for a period of less than 12 months, such as a quarterly registered vehicle.

  • Vehicles engaged in interstate commerce and registered with the Missouri Department of Transportation.

  • Vehicles that have historic plates.

  • Vehicles with salvage titles.

  • Vehicles sold from one dealer to another dealer.

Safety inspections are also accompanied by emissions tests in St. Louis County, St. Louis City, St. Charles County, Franklin County, and Jefferson County. There are many exemptions for emissions tests that can be found at the Department of Revenue’s website. Finally, all commercial vehicles must be inspected according to both Missouri state law, and the FCSMA regulations.

Annual vehicle inspection report for commercial vehicles in Missouri

The following systems or vehicle components must be inspected to declare a commercial vehicle safe, according to the FMCSA’s Annual Vehicle Inspection Report, used by all Missouri automotive tech jobs:

  • Wheels and Rims
  • Brake System
  • Exhaust System
  • Safe Loading
  • Suspension
  • Windshields
  • Fuel System
  • Lighting Devices
  • Coupling Devices
  • Wipers
  • Frame
  • Tires

If you’re already a certified mechanic and you’re interested in working with YourMechanic, submit an online application for an opportunity to become a mobile mechanic.


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Bryant

11 years of experience
407 reviews
Bryant
11 years of experience
Ford Fusion - Brake Pads Replacement (Front, Rear) - Indianapolis, Indiana
Bryant has done great work on my car before, the latest work is no exception. He's very flexible, and goes the extra mile to get you back on the road.
Scion iA - Brake Pads Replacement (Front) - Carmel, Indiana
This is my first time using this service. I am very happy with it. Bryant was very knowledgeable and did quality work. I will use this service more regularly.

Augustine

11 years of experience
57 reviews
Augustine
11 years of experience
Volkswagen Passat - Brake Pads Replacement (Front, Rear) - Albuquerque, New Mexico
He’s amazing! Did a wonderful job on my brakes and was extremely knowledgeable, and a real fun guy to be around as well!

Jimmi

25 years of experience
68 reviews
Jimmi
25 years of experience
Mazda CX-9 - Brake Pads Replacement (Rear) - Orlando, Florida
Jimmi was wonderful. He was on time, knowledgeable, and completed work in a timely manner. He went above and beyond with helpful tips and recommendations. We will be using him for all our family vehicles.

Robert

3 years of experience
4 reviews
Robert
3 years of experience
Toyota RAV4 - Brake Pads Replacement (Rear) - Tacoma, Washington
Came right on time! Had all the necessary tools to finish the job. After the test drive, he gave me an update on my car. Topped off my fluids and disinfect the inside. Well recommend!!

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