Car trouble?
We’ll get you
back on the road quickly.
MR Auto Service Center runs in Waltham on honest work, ASE-certified hands, and a 12-month warranty on what we fix. Bring it in and we will tell you, plainly, what is wrong.




























Feature any certifications & brands you want here
All makes. All work that matters.
Engine diagnostics
12-mo warrantyBrake repair
12-mo warrantyOil changes
12-mo warrantyTransmission service
12-mo warrantySuspension repair
12-mo warrantyAC service
12-mo warrantyPre-purchase inspections
12-mo warrantyFleet maintenance
12-mo warranty
We work the way the work demands. Not the clock.
The bay is lit when the car is in. We diagnose without guessing, we explain in plain words, and we tell you the price before we start. If a part doesn’t need replacing, we say so.
We work on every make. Foreign, domestic, light truck. The tools are calibrated, the technicians are ASE-certified, and the parts we install carry our 12-month warranty. That is the deal, whether you found us today or your neighbor did last week.
Most jobs go out same day. The ones that don’t, you hear from us by phone before sundown.
- ASE
- Certified technicians
- OEM
- Original parts
- 12-MO
- Warranty on repairs
Four things we don’t cut corners on.
ASE-certified hands
Every repair is performed by a technician who has passed and maintains the ASE certification standard.
12-month warranty
Parts and labor on every covered repair. If something we fixed fails inside the year, we make it right.
OEM-grade parts
We use original-equipment or matched-spec parts. No bargain-bin substitutes that fail twice as fast.
Honest estimates
You know the price before we start. If we find something else, we call you. No surprises on the invoice.
Frames from the bay.
The work speaks. Then the customers speak.
Based on 54 Google reviews
“I can’t say enough good things about Raffi and Mike at MR Auto Service Center. From start to finish, they were honest, communicative, and genuinely focused on fixing my car the right way.They handled”
George Barmakian4 months ago“I can’t recommend Mr. Auto—and especially Raffi—enough. Honest, knowledgeable, and genuinely kind, this shop is everything you hope for in a mechanic. Raffi takes the time to explain what’s actually n”
Lola Hagopian5 months ago“I’ve had multiple experiences with Mr Auto Service Center and can confidently say Mike and Raffi are outstanding 💯They recently handled a significant front-end collision repair for my mid-size SUV”
Lynn Wilson3 months ago“Original Post 5/29/25So I stopped at Teo Mini Mart on Prospect St. to get my lottery tickets on my way home like I always do. Although today, when I got back in the car, the key wouldn’t make the ign”
Brian Parmentera year ago
Send the details. We will come back with a number.
No upsell, no pressure, no jargon you have to translate. Tell us the make, the model, and what it is doing wrong. We will reply with a written estimate inside one business day.
- ASE-certified hands on every diagnosis
- 12-month warranty on parts and labor
- Honest estimate before any work begins
- OEM-grade parts, never bargain substitutes
When the lights are on, we are working.
Walk in, tow in, or call ahead. Whichever gets your car looked at soonest is the right answer.
Drop by, call in, write us.
The phone is answered during shop hours. Email gets a reply within one business day.
- Location138 Prospect St, Waltham, MA 02453, USA
- Phone(781) 472-2840
- Emailmr.auto138@outlook.com
- HoursMon-Fri 8am-6pm, Sat 8am-1pm, Sun Closed