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M&M Auto Techs

4.8
(369 reviews)

Business Details

9433 Sierra Avenue, Fontana, CA
92335, United States
(909) 251-4371
https://mmautotechs.com/fontana/

About

Auto Repair ShopAlternator RepairAuto Air Conditioning Service
When your vehicle needs professional attention in Fontana, California, you can count on M&M Auto Techs Fontana to deliver reliable auto repair services that keep you safely on the road. Our experienced technicians understand the unique driving challenges of navigating the busy corridors of Sierra Avenue and the surrounding San Bernardino County area. We provide comprehensive auto repair services for all makes and models, from routine maintenance to complex diagnostics.

Location

M&M Auto Techs
9433 Sierra Avenue, Fontana, CA
92335, United States

Hours

Monday8:00 AM - 6:00 PM
Tuesday8:00 AM - 6:00 PM
Wednesday8:00 AM - 6:00 PM
Thursday8:00 AM - 6:00 PM
Friday8:00 AM - 6:00 PM
Saturday8:00 AM - 4:00 PM
SundayClosed

Reviews

4.8
369 reviews
5 stars
346
4 stars
7
3 stars
4
2 stars
1
1 star
11
  • JD
    Jacob DeHaro
    Sep 25, 2026
    5.0
    Came in and got my alternator done for my Honda accord. Team is great, and Brian got me in and out same day with a fair price. Thank you again. Would definitely return if future problems occurred.
  • MM
    Mikey Mason
    Sep 25, 2026
    5.0
    Best place i been to not only that I went in for oil change and Bryan made me aware of another problem I had so they do care and they are very professional tha ks again Bryan 💯
  • RJ
    Rita JohnV
    Sep 22, 2026
    5.0
    I would highly recommend. They had excellent customer service. No pressure to buy anything additional. The price was affordable. They did a good job with oil change. No leaks afterwards which I have gotten in the past with other companies. I will be definitely e back.
  • MA
    Marco Aguirre
    Sep 20, 2026
    4.0
    Well service was good, but labor and parts where really expensive, then when a I got home, l looked at the front cover of my 2019 Honda Odyssey where missing clips the cover was lose, and also my glove compartment wasn't put together properly.
  • MC
    Michael C
    Sep 18, 2026
    1.0
    Paid almost 600 dollars to fix my a/c when I told them it wasn't blowing cold air 6 weeks later came back and when it went out for the same reason I brought it in wanted another 570 cause they said it wasn't that part after all so now im out 600 a d they didn't fix anything dont trust them

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