Delivering customer value and industry leading service
Welcome to Mountainside Auto Service, your one-stop shop for all your automotive needs. We are a premier auto repair and maintenance shop located in Battle Ground, Washington, serving customers from the surrounding areas. Our team of experienced, professional ASE Certified Technicians is dedicated to providing you with the highest level of customer service and repair work, while also building long-lasting relationships with the community.
At Mountainside Auto Service, we understand the frustration and stress that comes with finding a reliable and trustworthy auto repair shop. That's why we are committed to serving our customers with complete transparency from intake to delivery. We take the time to listen to your concerns, explain the issues and solutions with ease, and provide you with a clear understanding of the work we are doing.
Our Services
We specialize in diagnostics, repairs, and maintenance services for most makes and models, with the exception of diesel pick-up trucks. Our expert technicians are skilled in working on all models of Asian vehicles and are equipped to diagnose and repair a wide range of automotive issues, from routine maintenance to complex repairs.
Our services include:
- Air Conditioning Service and Repair
- Alternator Repair and Services
- Brake Repair and Services
- Check Engine Light Diagnostics
- Clutch Repair and Services
- Engine Diagnostics
- Emissions Testing
- Oil Change
- Radiator Repair and Services
- Steering and Suspension Repair
- Computer Diagnostics
- Smog Check
- Timing Belt Replacement
- Axles Drivetrain Services
- Electrical System Flushes
- Fuel Injection Services
- Lights Repair
- Pre-purchase Inspection
- Transmission Repair
- Tune-up
- 36,000 Mile Service
Our Expertise
Our team of experts has years of experience in the automotive industry. Our owner, Mark Wendt, is an ASE Master Technician and Service Consultant with 40 years of experience in the field. He previously owned a shop in Newberg, Oregon, for 20 years and brings his expertise to Mountainside Auto Service. Our team is dedicated to providing you with the best possible service and ensuring that your vehicle is running smoothly and safely.
Why Choose Us
At Mountainside Auto Service, we pride ourselves on our commitment to customer satisfaction, integrity, and fairness. We believe in building long-lasting relationships with our customers and our community. We invite you to experience the difference for yourself. Visit our auto repair shop or give us a call today and let us show you why we are the premier auto repair and maintenance shop in Battle Ground.
Community Involvement
We are proud to be an integral part of the Battle Ground community and are committed to giving back to our community. We participate in local events and sponsor activities that benefit our community and support local businesses.
Excellent Customer Service and Quality Work
Honest and Fair Pricing
All customers praised Mark's honesty and fairness in pricing, with some mentioning that they were charged less than expected or that the prices were comparable to other shops but with higher-quality work.
Timely and Efficient Service
Customers appreciated Mark's prompt communication, quick turnaround times, and ability to fit them in at short notice.
Trustworthy and Knowledgeable Mechanic
Mark was consistently described as knowledgeable, polite, and hardworking, with customers feeling confident in his ability to diagnose and repair their vehicles correctly.
Positive Overall Experience
All customers expressed satisfaction with their experience at Mountainside Auto, citing Mark's excellent communication, fairness, and quality of work as reasons for their positive reviews.

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