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

November 12th, 2026 by

If you own a Mercedes-Benz, you’ve probably seen “Service A” or “Service B” on your dashboard. These are the two core maintenance visits Mercedes-Benz recommends. Here’s what each one includes and when it’s due.

When each service is due

For most recent Mercedes-Benz models, scheduled maintenance follows a simple pattern:

  • Service A: first due at about 10,000 miles or 1 year, whichever comes first.
  • Service B: due about 10,000 miles or 1 year after Service A.
  • After that, the two alternate every 10,000 miles or year.

Your vehicle’s ASSYST service indicator shows which service is next and how many days or miles remain. Check your owner’s manual for the exact schedule for your model.

What Service A includes

Service A is the lighter visit. It typically includes:

  • Synthetic engine oil and filter change
  • Fluid level checks and corrections
  • Tire inflation check and correction
  • Brake component inspection
  • Reset of the maintenance counter

What Service B includes

Service B includes everything in Service A, plus more:

  • Cabin dust/combination filter replacement
  • Brake fluid exchange
  • A more detailed inspection of key systems

Depending on mileage, your service advisor may also recommend add-on items, such as a tire rotation, spark plugs, air filter or transmission service.

Why it matters

Following the A and B pattern keeps your Mercedes-Benz running as designed, helps preserve resale value, and keeps a clean service history if a warranty question ever comes up.

Prepaid maintenance

Mercedes-Benz offers prepaid maintenance plans that cover scheduled services at a set price. Ask our service team whether a plan makes sense for how you drive.

Book Service A or B in Wichita

Schedule with the factory-trained technicians at Mercedes-Benz of Wichita. We’ll confirm which service your vehicle needs and explain any recommended add-ons before work begins.

FAQ

Can I skip Service A and just do Service B? No. The two alternate, and each one covers different items. Skipping one can leave fluids and filters past their interval.

How long does Service A take? Usually a short visit. Service B takes a bit longer. Your advisor will give you a time estimate when you book.

Does an AMG or EV follow the same schedule? AMG models and EVs can have different items or intervals. Your service indicator and owner’s manual will show what applies to your vehicle.