Masters Automotive

Car inspection station
Open · Closes 5:00 PM
4.4 (86 reviews)
7245 Mexico Rd, St Peters, MO 63376

About

Masters Automotive is a trusted provider of emissions testing in St Peters, Missouri. They specialize in emissions testing services that help your vehicle meet state requirements. Customers appreciate the thoroughness and honesty of the staff, often mentioning quick service and fair pricing. Many reviews highlight their helpful and friendly team, making the testing process smooth and reliable. They also offer vehicle inspections and diagnostics for emissions-related issues. If you need emissions testing or vehicle inspection services, Masters Automotive in St Peters, Missouri is a dependable choice for car owners who want quality and integrity.

emissions testing vehicle inspection OBD testing St Peters Missouri auto repair vehicle diagnostics

Services Offered

emissions testing
Vehicle Inspection
OBD-II Diagnostics
Check Engine Light Diagnosis
Emissions-related repairs

What Customers Say

Review Summary

Customers generally find Masters Automotive to be a reliable and fair auto shop that provides quick and thorough emissions testing. Many praise the friendly staff and transparent service, although some note that service times may vary during busy periods. Overall, clients feel they receive good value for the price and trust the staff's honesty. A few reviews mention wait times or pricing, but the common theme is satisfaction with the quality of service and professionalism. Overall, reviews reflect a positive experience centered on dependable emissions testing and vehicle inspection services.

Hours Open now
Mon 8 am–5 pm
Tue 8 am–5 pm
Wed 8 am–5 pm
Thu 8 am–5 pm
Fri 8 am–5 pm
Sat Closed
Sun Closed

Frequently Asked Questions

Discover quick and comprehensive answers to common questions about our platform, listings, and services.

Masters Automotive is located at 7245 Mexico Rd, St Peters, Missouri. You can visit them during their business hours on weekdays for emissions testing.
Masters Automotive offers emissions testing, vehicle inspections, OBD-II diagnostics, check engine light diagnosis, and emissions-related repairs in St Peters, Missouri.
Yes, Masters Automotive provides emissions testing and smog checks in St Peters, Missouri as part of their vehicle inspection services.
The operating hours are Monday through Friday from 8am to 5pm. They are closed on Sundays and Saturdays.
You can contact Masters Automotive by phone at +1 636-279-6315 or visit their website at https://mastersautomotive.net/ for more information.
Appointments are not strictly required but are recommended to minimize wait times. You can walk in during their business hours for emissions testing.
Service times vary depending on the service. Emissions testing typically takes about 30 minutes, but wait times may be longer during peak hours.
Customers describe Masters Automotive as honest, reliable, and professional. They appreciate the friendly staff and quality of work, especially for emissions testing and vehicle inspections.

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Making the Most of Your Visit to Masters Automotive

Choosing the right emissions testing or smog check station in St Peters, Missouri can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Masters Automotive is one of the licensed smog check locations in the area, and preparing properly before your visit can make the process smoother.

Understanding Missouri Smog Check Requirements

Emissions testing and smog check rules in Missouri vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within St Peters, confirm what applies to you before heading to Masters Automotive. Our Missouri emissions testing guide outlines current 2025 rules, exemptions, and testing intervals.

Before Your Smog Check

To help make your emissions test quick and successful, consider preparing the following:

  • Confirm your registration address requires testing.
  • Ensure your check engine light is off and no recent codes have been cleared.
  • Warm up your vehicle by driving 10 to 15 minutes before testing.
  • Bring your registration or renewal notice and a valid photo ID.

Why Reviews Matter

Customer experiences can vary, so reading feedback from other drivers can help you understand what to expect. Masters Automotive currently has 86 reviews, which can provide insights into service quality, wait times, and professionalism.

"Clear communication and preparation make your smog check easier. Ask Masters Automotive about wait times, retest policies, or emissions repair services if you have concerns."

Visit Checklist

  • 1
    Verify Certification

    Ensure Masters Automotive is an active, licensed smog check station in Missouri.

  • 2
    Check Reviews

    Read recent customer feedback from other St Peters drivers to understand typical wait times and service quality.

  • 3
    Confirm Services

    Call ahead to confirm the types of smog checks and emissions tests offered and whether appointments are required.

  • 4
    Bring Required Documents

    Have your registration or renewal notice, ID, and any required paperwork ready when visiting the station.

  • 5
    Ask About Retest Policies

    Some stations offer discounted or free retests if your vehicle fails. Ask for details up front.

* This guide is for informational purposes only. Always confirm emissions testing requirements and smog check policies with your local Missouri authorities.