About M and M Alternators in the Inland Empire 

A Legacy of Quality Service for Inland Customers 

Our Story: From Humble Beginnings to Regional Excellence 

M and M Alternators began as a specialized automotive electrical service provider, driven by a simple mission: to deliver honest, reliable repairs that keep vehicles running safely and efficiently. What started as a focused alternator and starter repair shop has evolved into a comprehensive automotive service center, expanding our expertise to meet the complete maintenance and repair needs of our community. Today, we proudly serve customers across San Bernardino, Riverside, Fontana, and Redlands with the same commitment to quality that built our reputation. Our growth reflects not just business success, but the trust our customers place in our work every day. From our original location, we’ve carefully expanded to four strategic sites throughout the Inland Empire, ensuring convenient access to professional automotive care for families and businesses throughout the region. Each location upholds our founding principles of transparency, technical excellence, and customer-first service, which have made M and M Alternators a household name for automotive reliability.  

Expert Team and Advanced Technology  

Our success stems from combining experienced ASE-certified technicians with cutting-edge diagnostic equipment at each of our locations in San Bernardino, Riverside, Fontana, and Redlands. Every member of our technical team undergoes continuous training to stay current with evolving automotive technology, from traditional mechanical systems to the latest hybrid and electric vehicle components. We invest heavily in computerized diagnostic tools that allow us to quickly and accurately identify issues before they become costly major repairs. Our technicians average over a decade of hands-on experience, with specialized knowledge spanning everything from complex electrical systems to precision engine work. This expertise, combined with our state-of-the-art facilities, enables us to handle any automotive challenge while maintaining the highest standards of workmanship. Whether you need routine maintenance or complex diagnostics, our team treats every vehicle with the same meticulous attention to detail that has earned us countless customer referrals throughout the Inland Empire.  

Community Commitment and Customer Trust  

As a locally owned business serving San Bernardino, Riverside, Fontana, and Redlands, we are dedicated to the health and prosperity of our communities. We participate in local events, support area schools, and partner with regional businesses to strengthen the Inland Empire’s economy. Our commitment goes beyond automotive service to include environmental responsibility, with proper waste disposal and recycling programs. We value lasting relationships with our customers and offer detailed digital inspection reports, transparent pricing, and comprehensive warranties. What sets M and M Alternators apart is our blend of technical expertise and genuine customer care. We use only OEM or equivalent parts and provide a clear explanation of repair recommendations. With comfortable waiting areas, shuttle services, and online appointment scheduling, we aim to fit your busy lifestyle. From routine oil changes to complex diagnostics, we treat every vehicle with the utmost care, making M and M Alternators the trusted choice for automotive service throughout the Inland Empire. Many families have relied on us for decades, trusting us with their automotive needs. Contact us today in San Bernardino at (909) 888-0907 or stop by our shop at 121 N Mt Vernon Ave, San Bernardino, CA 92410. Call our Riverside location at (951) 823-0530 or visit us at 1049 W La Cadena Dr, Riverside, CA 92501. Call (909) 251-4371 to speak with our Fontana shop or drop by 9433 Sierra Ave., Fontana, CA 92335. For our Redlands location call (909) 699-1647 or visit our shop at 1647 W Redlands Blvd P, Redlands, CA 92373.  

Frequently Asked Questions  

What services does M and M Alternators provide beyond electrical work?  

We offer comprehensive automotive services, including engine diagnostics and repair, brake service, suspension work, preventative maintenance, and complete vehicle inspections at all locations.  

Do you work on all vehicle makes and models?  

Yes, our ASE-certified technicians have experience with all major automotive brands and use advanced diagnostic equipment compatible with domestic and imported vehicles.  

What warranties do you offer for your repair work?  

We provide comprehensive warranties on both parts and labor, with specific terms varying by service type and location to ensure your complete satisfaction.  

How can I schedule an appointment at any location?  

You can schedule online on our website, call any of our four locations directly, or visit us in person during business hours for immediate service.  

Do you provide digital inspection reports?  

Yes, we use advanced digital inspection technology to provide detailed reports with photos and explanations, helping you understand your vehicle’s condition and any recommended services.