Mercedes-Benz Of Ontario

No. Mercedes-Benz Of Ontario is not STAR certified. If your DMV renewal notice says "STAR Station Required," you will need to visit a STAR certified station instead.

No. Mercedes-Benz Of Ontario is licensed as a Test & Repair station. This station can run your smog test and, if the vehicle fails, diagnose and repair it in the same shop.

Mercedes-Benz Of Ontario is open Monday 7 AM to 9 PM; Tuesday 7 AM to 9 PM; Wednesday 7 AM to 9 PM; Thursday 7 AM to 9 PM; Friday 7 AM to 9 PM; Saturday 8 AM to 9 PM; Sunday 10 AM to 8 PM. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Mercedes-Benz Of Ontario accepts walk-ins, so you can drive in without booking ahead.

Mercedes-Benz Of Ontario accepts Cash, Credit Card.

Mercedes-Benz Of Ontario has held a BAR smog license since 2012. You can verify the license status at bar.ca.gov.

Mercedes-Benz Of Ontario has not published a price on SmogCheckDeals. The Bureau of Automotive Repair puts the statewide average at $69.16 as of August 2026, about $65 for a 2000-or-newer vehicle and $73 for 1999-or-older, plus the $8.25 certificate fee. Call (909) 212-8400 for a quote.

Mercedes-Benz Of Ontario does not take online bookings here, but walk-ins are welcome. Call (909) 212-8400 to check the wait.

Staff at Mercedes-Benz Of Ontario speak English.

Bring the car, your registration or DMV renewal notice, and a way to pay. Most smog checks take 15 to 30 minutes, and most visits are closer to 20.

Because Mercedes-Benz Of Ontario is a Test & Repair station, it can diagnose and repair the problem in the same shop, then run the free retest within 30 days. If the repair bill is steep, California's Consumer Assistance Program covers up to $1,200 of emissions repairs for qualifying owners.

The closest alternatives in Ontario are Citrus Motors (0.2 mi) and Crown Lexus (1.7 mi). Both are listed further up this page with their ratings and hours.