Vanguard Truck Center - St Charles Mack

Brought in a 2013 Mack, derated to 5mph because of an aftertreatment issue on April 8th, 2025. It was diagnosed properly and fixed the same day. Donnie in service was a pleasure to deal with. I've been to a few Volvo/Mack dealerships, and this is by far the best experience I've ever had. I'll definitely be back

Very professional. They determined my problem and resolved it in a timely manner!