Auto Repair in Butler, NJ — Trusted Mechanic 2 Miles from Town

RSW Auto Repair has been serving Morris County since 2008. Our shop is located at 1167 Route 23 South, Kinnelon, NJ 07405 — approximately 2 miles south of Butler Borough on Route 23. For most Butler residents, that's a straight shot down a road you already take for shopping, errands, and commuting toward Kinnelon, Pequannock, and Wayne. A service visit is not an out-of-the-way trip; it's on the way.

Over 18+ years, we've built a reputation across Butler and surrounding Morris County communities by doing one thing well: fixing cars correctly the first time, telling customers the truth about what their vehicle needs, and standing behind every repair with a written warranty. That approach has earned us 4.7 stars across 210 verified reviews.

There are options for auto repair closer to Butler. Here is what makes RSW the shop Butler drivers keep coming back to:

• 18+ Years Family-Owned

  Same ownership and team since 2008. Not a chain, not corporate-owned — a local shop that has served Morris County for over 18 years.

• European Car Expertise

  Specialized experience with BMW, Mercedes-Benz, Audi, and Volkswagen alongside full domestic and import service. Most general shops in the area do not have this depth.

• Digital Inspections with Photos

  We send photos and notes directly to you during the inspection so you see exactly what is being recommended — and why — before you approve any work.

• Transparent, Honest Pricing

  Written estimate before any work begins. No surprises on the invoice. We tell you what your car needs and what it can wait on.

• 3-Year Warranty Option

  Qualifying repairs are covered for 3 years or 36,000 miles. Ask your service advisor which repairs qualify when you schedule.

• Same-Day Availability

  Most common services and diagnostics can be completed same-day when you call ahead. We work to accommodate urgent repairs quickly.

We provide a full range of auto repair and maintenance services for Butler-area vehicles — domestic, import, and European. Click any service below for full details.

• Brake Repair

  Pad replacement, rotor resurfacing, caliper service, and brake fluid flush for all makes and models.

• Oil Change

  Conventional, synthetic blend, and full synthetic oil changes with a multi-point inspection included.

• AC Repair

  R-134a and R-1234yf refrigerant service, leak detection, compressor and condenser repair.

• NJ Inspection Prep

  OBD II scan, emissions repair, and readiness monitor verification before your MVC inspection.

• Engine Diagnostics

  Check engine light diagnosis, live data scan, root-cause identification — not just code reading.

• Transmission Repair

  Fluid service, filter replacement, and transmission diagnosis for automatic and manual vehicles.

• Electrical System Repair

  Battery testing, alternator and starter diagnosis, and circuit-level fault tracing.

• General Auto Repair

  Scheduled maintenance, belts, hoses, filters, and all routine service intervals.

See the full list of services at our services page, or check current coupons before you come in.

From Butler Borough, head south on Route 23. RSW Auto Repair is approximately 2 miles down on the right (west side of Route 23) at 1167 Route 23 South, Kinnelon, NJ 07405. The drive takes about 5 minutes under normal traffic conditions. On-site parking is available.