Elite G.
6/18/2025
Looks like they know what they are doing. They don't over price like Pep Boys and give straight forward business. I would recommend for ac work my proud is not cold as ice.
M&M Alternators & Batteries Auto Care
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9433 Sierra Ave
Fontana, CA 92335
When your vehicle needs professional attention in Fontana, California, you can count on Fontana to deliver reliable auto repair services that keep you safely on the road. Located at 9433 Sierra Ave., Fontana, CA 92335, 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.
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Reviews
2.55 reviewsKeiana S.
10/3/2025
HORRIBLE! I paid for a diagnostic test to see why my AC was blowing hot air. They checked and changed the filter, added refrigerant, and new hoses. charged me almost $300 and my car was still...
Angie C.
4/11/2025
Josue has great customer service n amazing people skills.. glad he was so help to me .. thank u josue for ur amazing help.. God bless u.. anjelica..
William M.
6/15/2025
I ordered an alternator from the Colton California branch of M&M. First, my part was shipped 1800 miles from my house to St Louis Missouri. When I finally got it I paid $250 to have it installed...
Devin D.
11/11/2023
This used to be Mandos alternator now it's a new place called m&m alternator. I bought a battery for my Jeep from mandos back in May it's only been 6 months so I know my battery is under warranty...
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