High Quality Mobile Smog Test in Merced, CA

Compliance, VIN verification & more. We come to you in Merced, CA. Fast, certified, DMV-ready. Book today!

One provider. All your emissions, compliance, and DMV needs—done right.

Expert Mobile Smog & Compliance Services

At Central Valley Mobile Smog Test, we provide complete, mobile solutions for diesel emissions testing and CARB compliance throughout Merced, CA and surrounding areas. Whether you operate a single motorhome or manage a fleet of heavy-duty vehicles, we come to your location, test on-site, submit results directly to CARB, and ensure you’re fully DMV-compliant.

With Clean Truck Check regulations now active and semiannual testing deadlines in place, it’s more important than ever to partner with a trusted, CARB-credentialed team that understands every detail of the law—and handles it all for you.

On-Site Emissions Testing

We bring certified testing to your location and conduct Clean Truck Check inspections on diesel vehicles over 14,000 lbs GVWR. Perfect for fleets and motorhomes.

Clean Truck Check Compliance

We ensure you're up to date with CARB’s regulations through scheduled testing, reporting, and proactive management of compliance timelines.

CARB Registration Management

We register your vehicles with CARB (CTC-VIS), ensure your annual $30/vehicle fee is paid, and handle any backdated compliance.

VIN Verification

If your vehicle is new to California or has title discrepancies, we perform DMV-recognized VIN verification for proper CARB and registration alignment.

Fleet Compliance Monitoring

Own or manage multiple vehicles? We centralize testing, scheduling, and paperwork across all units to ensure your fleet is fully compliant and operating smoothly.

Notice to Submit to Testing (NST) Response

Received a letter from CARB? We help you meet testing requirements quickly and avoid violations or costly enforcement actions.

DMV Registration Hold Resolution

We clear registration blocks by identifying non-compliance issues, performing required testing, and submitting reports to CARB on your behalf.

Mobile Smog Testing for Motorhomes

Annual emissions tests performed at your RV’s location—home, storage, or roadside. We manage your paperwork and report results directly to CARB.

Ready for a hassle-free way to stay legal on California roads?

Book your mobile smog test and we’ll take care of the rest—right at your location.

Customer Testimonials

Real Results from Merced Clients

They came right to our yard, tested all our trucks, and handled everything with CARB. So easy and professional!

Central Valley Mobile Smog Test saved us time and money—plus their retest guarantee is amazing.

Fast, reliable, and always on time. Their team made our entire compliance process stress-free.

We are proud to provied this service

Our Coverage

Contact Central Valley Mobile Smog Test

Ready to stay compliant without the hassle? Central Valley Mobile Smog Test is here to help!

Let us take care of your smog testing—so you can take care of your business. Contact us today to schedule your mobile visit!