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Get Directions 860-276-1259 Your Neighborhood Auto Experts Since 1989 See Our Work Auto Repair Services Your Car Is in Trusted Hands with Mantz Auto Sales & Repair Mantz Auto Sales & Repair, located in Southington, CT, has proudly served the community as a family-owned and operated repair shop since 1989. Specializing in top-notch auto repair, their certified NAPA AutoCare Center and ACDelco Professional Service Center guarantee the use of quality OEM or equivalent parts for every vehicle.