Mobile & Roadside Service
The mobile mechanic's certification.
Mobile & Roadside Service is unique to MechanicRank, no other certification body has an official mobile-work credential. Covers the operational, safety, and diagnostic considerations that differ from shop work. Everything below is free, no login, no paywall. Work through the skill areas, drill them in Study Mode, and when you're ready, prove it with the certification exam.
Your readiness to certify
Drill all 60 concepts in Study Mode. Mark each one "Got it" once you know it cold. When every concept is cleared, you're ready for the MOB exam.
What you'll be able to do
- Mobile diagnostic toolkit essentials
- Roadside safety protocols and traffic control
- Portable lift and jack safety
- Efficient parts sourcing on-the-fly
- Battery, alternator, and starter swap procedures at the customer's location
- Common roadside repairs: brakes, hoses, belts, jump starts, lockouts
- When to complete on-site vs. tow to shop
- Customer communication and mobile-work billing practices
Skill areas
6 lessons, each one short enough to finish in a break. Every lesson teaches the system from the ground up, ends with a call to work, and tracks which concepts you have cleared.
Safety
Mobile work strips away everything a shop gives you for free: a level concrete floor, a lift, controlled access, and coworkers who can call for help.
Tools
Your truck is your shop, and every pound of gear either earns its space or steals it.
Diagnostics
In a shop you can keep a car for three days and chase a problem at leisure.
Roadside Repairs
Roadside and driveway repairs are the heart of mobile service.
Business
Most mobile mechanics do not fail because they can't fix cars.
Parts Sourcing
A mobile mechanic without a part is just a person standing in a driveway.
Studied the material? Get MOB certified.
The Mobile & Roadside Service exam turns what you just learned into a verifiable credential drivers and shops can look up. 45 questions · 60 minutes · 75% to pass · Free.
Studying on MechanicRank is free forever. There's no obligation to take the exam.
The work these lessons teach.
Real jobs from Supercanic trucks — the systems above, out in the field.


Standards and further reading
Primary sources behind this page. Federal safety, emissions and consumer-protection references, worth reading before you authorize any repair.
- ASE certification The national standard for automotive technician testing and certification.
- FTC auto repair basics Your rights on estimates, authorization and disputed repair bills.
- OSHA motor vehicle safety Workplace safety standards for lifting, chemicals and shop equipment.
- California Bureau of Automotive Repair Licensing, consumer complaints and shop regulation in California.