Merrill's Smog Check and Repair
“They will also let you know what you need done on your vehicle and not be pushy or overbearing about it.”
Best Mechanic Shops in Fontana, CA
23 technicians listed · all 23 in Fontana · 1 open 24/7 · 18 open weekends · 16 rated 4.5+
Data verified November 11, 2026
Padilla Tire & Auto Repair
“Padilla Tire & Auto Repair got their car in within an hour, thankfully had the parts and fixed it within 4 hours so we were able to get back on the road.”
Aamco Transmissions & Total Car Care
“Tony and Rick took care of all my needs and above and beyond.”
Diesel Injection Service
“He spoke with me and walked me through what I needed, ultimately he offered for me to come the next day and look at my truck himself before his shift started.”
Rogers Exhaust Shop
“Got my Chevy Colorado bison resonator and muffler delete and sparky took care of me!”
J & S Auto Center & Smog
“This place is amazing and so helpful they will see me again!!”
Listed for drivers in and around Fontana, CA, these 23 shops are general mechanics. What each one states about certifications, warranties and financing comes from its own website; ratings and quotes come from public reviews.
Area overview: Fontana, CA
All 23 technicians we list here are in Fontana itself. We have 27 technicians in Fontana on file; this page shows the highest-rated 23. The technicians on this page are rated from 4.0 to 5.0 across 2,811 reviews; 13 have 50 or more reviews and 16 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "honest" and "diagnosis". 1 is open around the clock; 18 are open on Saturdays and 3 on Sundays. 1 shows a license on its website and 1 has a BBB rating of A or A+. Domain records put 6 websites of the technicians on this page at ten or more years old; the oldest dates from 2005. 1 offers emergency or roadside call-outs; 2 offer financing; 2 give free estimates; 3 are family- or locally-owned and 2 list coupons or special offers. 2 have Spanish-speaking staff. We have a website on file for 12 of the technicians on this page; 7 publish a contact page; 2 list a public email and 2 take bookings online. We count these figures across the technicians on this page; hours and prices change, so confirm the details with the technician before you visit.
Which shops listed for Fontana work on Saturdays or Sundays?
18 of the 23 shops list weekend hours. Saturday is usually a shorter day; Sunday openings are rarer and often by appointment.
Galindo's Garage
“Easy bring my used car for a ppi got good solid price for good service.”
24 Hours Mobile Diesel Truck Mechanic
“Javier was quick to come out also very cool, professional and honest I had 2 cabin airbags replaced on my 2018 579 PETE.”
Monroy's Auto Repair
“I've been bring all my vehicles to him for years and he always stands behind his work.”
Fontana Best Lube
“The team was very nice and eddy was nice and John too”
Gorilla's Mufflers
“Ceasar does amazing work and I always recommend everyone to use him.”
R&R Truck and Trailer Repair
“I called this mechanic for an electrical problem & he got here right away, he fixed my 2018 freightliner with a Detroit engine & also fixed my AC problem.”
Morgan Mobile Auto Electric
“Went out of his way to give me some additional issues i may have to fix in the future.”
Arrow Tire & Wheel
“Spoke to Robert today great shop if you need tires hit up Robert they got you”
Lowell's Automotive
“No place better for your auto repairs.”
Ej's Auto
“0 AVCS engine in my '02 WRX wagon, got the best price out of three other shops, and were super helpful and knowledgeable.”
SG Mechanics Auto Shop Repair
“The price was competitive and the time it took was outstanding.”
Ortega Smog & Repair
“You wish u could receive this kind of care every other place u stop but u know that's not the real world today.”
Master Auto Repair
“Fairly priced, took the time to actually diagnose the issue instead of throwing parts at it.”
D&G Complete Auto Repair
“Good service very satisfied wiith them.”
De La Torre Transmissions
“Very helpful going above and beyond customer service”
Docs Auto Repair and Detailing
“I will use him anytime something goes wrong with my cars.”
T&B Unlimited Incorporated
“Great, professional service, with the patience to explain in depth what was being repaired.”
Why these companies made our list
What customers say about technicians in Fontana
- “Very reliable, knowledgeable, friendly, and great prices. I do recommend him to anyone who needs an honest mechanic.” — customer of Morgan Mobile Auto Electric
- “I’ll definitely be a returning customer and will recommend this place to anyone who’s looking for honest mechanics and quality work.” — customer of Rogers Exhaust Shop
- “They ran a diagnostic completely free of charge, quickly identified the issue, got the necessary parts, and had my car repaired the very same day.” — customer of J & S Auto Center & Smog
- “Great place for an oil change, everyone was friendly and the service was top notch.” — customer of Fontana Best Lube
- “From basic oil changes to major repairs. Always quality work & excellent customer service.” — customer of Monroy's Auto Repair
Excerpts from public reviews of the technicians listed on this page.
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