Mercedes E Class Smog Check
Mercedes E Class (gas/PHEV/diesel) in California requires a standard biennial smog inspection at any BAR-licensed station. Key tip: E-class diesel (Bluetec) needs intact AdBlue/DEF. PHEV uses OBD-II.
Smog tips for Mercedes E Class owners
E-class diesel (Bluetec) needs intact AdBlue/DEF. PHEV uses OBD-II.
For full Mercedes smog requirements, including hybrid + PHEV + BEV variants, see our Mercedes smog check guide.
Common questions
Where can I get a smog check for my Mercedes E Class?
Any of our 15 BAR-licensed STAR-certified locations in San Diego, Riverside, Orange, and Los Angeles counties handle Mercedes E Class smog inspections. Walk-ins welcome — 15-25 minute inspections. Same-day DMV cert filing.
What's the common reason a Mercedes E Class fails smog?
E-class diesel (Bluetec) needs intact AdBlue/DEF. PHEV uses OBD-II.
How much does a Mercedes E Class smog check cost?
$55-$85 plus the $8.25 California state certificate fee. Mercedes E Class hybrid + PHEV variants are same pricing. BEV (100% electric) variants are exempt — no cost.
Is the Mercedes E Class exempt from California smog?
Only 100% battery-electric variants are exempt. Hybrid and plug-in hybrid Mercedes E Class models still need biennial smog inspection. Gasoline-only versions follow standard rules — required every 2 years for vehicles 8+ years old.
Where to bring your Mercedes E Class
All 15 locations handle Mercedes E Class smog. STAR-certified test+repair locations recommended for diagnosing any issues.