Merritt Truck & Machine Service Ltd. Box 2730, Merritt, BC V1K 1B8 MT&M Service Ltd. is a heavy truck and trailer repair and maintenance shop conveniently located off exit 286 on the Coquihalla Highway (Hwy 5) at 2172 Douglas Street North, Merritt, BC. MT&M Service Ltd. is a certified Vehicle Inspection Facility for units with a GVW over 5500 kg. Mobile service is available within 50 kms of Merritt. Call for mobile service, to schedule maintenance or to book an appointment for CVIP inspections or minor repairs. Hours of operation are Monday to Saturday 8am - 5pm. more... See more text