Heavy-Duty Commercial Fleet Repair & Maintenance services

Proudly serving Melrose park, Schaumburg, & Channahon, IL; Altoona & Cumming, IA; & Garland, TX

At Merx, we understand the importance of reliable, efficient, and cost-effective fleet repair & maintenance services. With our comprehensive fleet solutions, you can focus on managing your business while we keep your fleet in top condition. With locations across Illinois, Iowa, & Texas, our truck repair shops have all the latest tools & tech to handle a wide range of truck repairs. Whether your fleet requires preventive maintenance, or DOT inspections, or major diesel engine overhauls, we have you covered. Find the location nearest you and schedule your fleet services with Merx today!

Contact Us
Semi truck fleet in for repairs

Comprehensive Repair Services for a Variety of Truck Brands and Models

No matter the make or model of your fleet vehicles, Merx's skilled technicians can provide expert repair services tailored to your specific needs. Our team is trained to service and repair a variety of truck brands, including Freightliner, Peterbilt, Hino, International, Kenworth, Mack, Volvo, Western Star, Isuzu, and more. We stay up to date with the latest industry advancements and technologies, ensuring we can provide the best possible solutions for your fleet.

From engine repairs and maintenance to suspension, electrical, and braking systems, we cover every aspect of your fleet's needs. Our team also specializes in handling the unique requirements of specific truck models, such as cab-over-engine designs and advanced safety features. With Merx, you can trust that your fleet is in expert hands.

Preventative Maintenance and Inspections for Long-Term Fleet Health

At Merx, we believe that preventative maintenance is key to maintaining a healthy and reliable fleet. Our technicians perform thorough inspections of your vehicles, identifying potential issues before they become costly repairs. By addressing these issues early, we help to prolong the life of your fleet and reduce the risk of unexpected breakdowns.

Our preventative maintenance services include oil and filter changes, fluid checks and top-offs, tire inspections and rotations, brake system servicing, and more. We also offer comprehensive tune-ups and engine diagnostics, ensuring your fleet remains fuel-efficient and environmentally compliant. By investing in preventative maintenance, you can save money in the long run and maintain the overall health and performance of your fleet.

Contact Us

Let Merx take care of your fleet repair and maintenance needs, providing the reliable and efficient service you require to keep your business running smoothly. Contact us today to learn more about our comprehensive fleet repair solutions and how we can help you maintain the performance, safety, and reliability of your vehicles.

Schedule Service

Heavy-Duty Truck Repair Services

Merx Truck & Trailer proudly keeps America moving. With top-rated heavy-duty truck & fleet repair services, and multiple locations throughout Illinois, Iowa, & Texas, we strive to provide an experience unmatched in the diesel repair industry. Our state-of-the-art truck repair shops are capable of providing a wide range of truck repairs, including axles, brakes, transmissions, suspension, diesel engines, & more. You name it, we fix it. Find the Merx location nearest you and schedule the services you require today!

Axle Repair

Our skilled technicians utilize advanced techniques to deliver high-quality results for all your axle repair needs.

Body Work

Our skilled technicians utilize advanced techniques to deliver exceptional results for all your body work needs.

Brake Repair

Our skilled technicians utilize advanced techniques to deliver high-quality results for all your brake repair needs.

Coolant System Repair

Our skilled technicians ensure high-quality results, addressing any coolant system issues that may arise.

Diagnostics & Electrical Repair

Our expert technicians provide comprehensive solutions for your vehicles' diagnostic and electrical needs.

Driveline Repair

Our comprehensive driveline repair services encompass meticulous inspections, accurate diagnostics, and effective repairs or replacements as needed.


Merx offers comprehensive EGR and DPF repair services to maintain your fleet's performance and compliance with environmental regulations.

Engine Repair, Rebuild & Conversion

Our expert technicians use advanced techniques to ensure high-quality results.

Express Lube

Our efficient and convenient oil change services ensure your fleet's longevity and efficiency, making us your go-to choice for maintaining your vehicles.

Exhaust System Repair

Our skilled technicians use advanced techniques to diagnose and repair exhaust system issues, ensuring your fleet's reliable operation.

HVAC System Repair

Our technicians diagnose and repair issues using advanced techniques, ensuring high-quality results for your fleet's heating, ventilation, and air conditioning.

Oil & Fluid

Our skilled technicians use advanced techniques to ensure optimal performance, keeping your vehicles on the road and your business running smoothly.

Suspension Repair

Our skilled technicians use advanced techniques to diagnose and repair suspension issues, keeping your vehicles running smoothly and reliably.

Tire Repair

Our experienced technicians use high-quality materials to maintain and repair your fleet's tires, keeping your vehicles on the road and operating at their best.

Transmission & Clutch Repair

At Merx, we understand that maintaining the optimal performance of your fleet is crucial for business success.


We understand that proper truck and trailer alignment is essential for maintaining the safety and performance of your fleet.

Best shop in Illinois! Very ethical team, no hidden charges and lies. Ask for Filip, he takes care of your issues. They do everything, from paint job to overhaul of engines. Luis is great!
SIP Logistics
5 star review

"Great service! Got me in for a water pump replacement on short notice and had me back on the road in a few hours. Very professional staff and a nice clean facility with a comfortable waiting room."

Anthony Cummings

5 star review

"Fast, friendly same day service! Tractor and APU PM, trailer tire change and reefer maintenance in less than 3.5 hours 💪 IG @the_happy_trucker 🚛💨💨"

5 star review

"The best service in Chicago! These guys have real mechanics that know their stuff and they carry a lot of parts for Volvo. Cheap fast, and good service. This is my favorite shop."