How Often Should a Mercedes-Benz Be Serviced?

The short answer: most 2009+ Mercedes-Benz vehicles follow alternating Service A and Service B intervals. Service A is due at approximately 10,000 miles or 1 year (whichever comes first). Service B follows at approximately 20,000 miles or 2 years after the previous service, and the cycle repeats. Your vehicle’s onboard ASSYST PLUS system will display the exact due date and mileage based on how you drive.

Schedule service with our certified technicians in Lake Forest, or call our Service Team at (949) 328-8888.

Mercedes-Benz Service A vs. Service B: What’s Included?

Service A (≈10,000 miles / 1 year): Mercedes-Benz motor oil replacement, oil filter replacement, fluid level checks and corrections, tire inflation check and correction, brake component inspection, and reset of the maintenance counter.
Service B (≈20,000 miles / 2 years after the previous service): Includes all Service A items plus cabin dust/combination filter replacement and a brake fluid exchange (model-specific checks may apply).

Difference Between Service A and B

How ASSYST PLUS Keeps You On Schedule

ASSYST PLUS is the Mercedes-Benz service interval display that monitors mileage and time, then alerts you on the instrument cluster when your next service is due. It adapts to your real-world driving—short trips, stop-and-go traffic, and temperature swings can change service timing.

Do Mercedes-Benz Electric Vehicles Need Service?

Yes—while there’s no engine oil to change, recommended EV maintenance includes items such as dust and activated charcoal cabin filters, brake fluid, wiper blades, and a multi-point inspection. New all-electric Mercedes-Benz models include complimentary service coverage for the first two years; consult your specific model’s maintenance guide for details.

Learn More About Electric Vehicle Service

Recommended Maintenance Milestones

Every ~10,000 miles / 1 year: Service A items
Every ~20,000 miles / 2 years: Service B items (includes brake fluid exchange and cabin filter)
As indicated by your model’s guide: Engine air filter, spark plugs, transmission service, coolant, and other age/mileage-based items

Your exact schedule can vary by model, year, powertrain (AMG®, diesel, plug-in hybrid, or EV), and driving conditions. For a personalized plan, contact our advisors at (949) 328-8888 or schedule service.

Why Service at Mercedes-Benz of Foothill Ranch

Factory-trained technicians and specialized Mercedes-Benz diagnostic equipment
Genuine Mercedes-Benz Parts installed to original specifications
Express Service options for many routine items
Comfortable, convenient location at 81 Auto Center Dr., Foothill Ranch, CA 92610

Explore ways to save on certified maintenance: view our service specials, parts specials, and tire specials.

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Proudly Serving Drivers Near You

We frequently assist owners from Irvine, Foothill Ranch, Lake Forest, Trabuco Canyon, Dove Canyon, and Coto de Caza—as well as nearby neighborhoods like Baker Ranch, Portola Hills, Woodbury, Orchard Hills, and the Irvine Spectrum area.

Questions? Call Sales at (949) 328-8800 or Service at (949) 328-8888. Prefer to browse? Browse new vehicles, browse our pre-owned vehicles, or shop Certified Pre-Owned.