If you own a Mercedes-Benz, you’ve likely seen a “Service A” or “Service B” alert appear on your dashboard. These are part of Mercedes-Benz’s flexible maintenance system, designed to help your vehicle perform at its best and preserve its long-term value.
Many owners, however, wonder what these service codes mean—and what it means when a “Service C” or “Service D” message appears. Below, our certified team at Feldmann Imports in Bloomington, MN explains exactly what each one includes, how they differ, and why following the recommended schedule matters.
Service A: Your First Scheduled Maintenance
Timing: first at approximately 10,000 miles or 1 year, then every 20,000 miles or 2 years.
Service A is your vehicle’s first major maintenance milestone. It ensures all essential systems are operating at peak performance and that your Mercedes continues to meet factory specifications.
Typical Service A includes:
- Synthetic motor oil replacement
- Oil filter replacement
- Tire inspection and rotation
- Fluid level checks and corrections (brake fluid, coolant, windshield washer, etc.)
- Brake component inspection
- Reset of the maintenance counter
Each Service A at Feldmann Imports is performed by factory-trained Mercedes-Benz technicians using genuine OEM parts and fluids.
Service B: The Comprehensive Follow-Up
Timing: approximately 20,000 miles or 2 years after Service A.
Service B builds upon everything completed during Service A but goes deeper into system maintenance and component replacement. It’s designed to ensure reliability as your Mercedes gains mileage.
Service B typically includes:
- All items from Service A
- Cabin air filter replacement
- Brake fluid exchange
- Comprehensive multi-point inspection of belts, hoses, suspension, and steering components
This additional level of care ensures your braking, climate, and performance systems remain in perfect working order.
Comparing Service A vs. Service B
| Service A | Service B | |
|---|---|---|
| When Performed | 10,000 miles / 1 year | 20,000 miles / 2 years |
| Oil & Filter Change | Yes | Yes |
| Brake Fluid Exchange | No | Yes |
| Cabin Air Filter | No | Yes |
| Multi-Point Inspection | Yes | Yes |
| Typical Duration | ~1.5 hours | ~2.5 hours |
In simple terms, Service A focuses on the essentials; Service B adds a deeper level of system inspection and fluid replacement.
Service C: Enhanced Maintenance and Inspection
Service C is not part of every maintenance cycle but can appear around 30,000 to 40,000 miles, depending on your driving patterns. Think of it as a more detailed version of Service B—an expanded inspection designed to protect your Mercedes-Benz as it enters higher mileage.
At Feldmann Imports, Service C may include:
- All items from Service B
- Replacement of air and cabin filters
- Inspection of transmission, steering, and driveline components
- Tire condition and alignment check
- Wiper blade replacement as needed
- Diagnostic systems scan and road test
Service C ensures that every performance, comfort, and safety system is functioning exactly as Mercedes-Benz engineers intended. It’s an important opportunity to identify and correct minor wear before it turns into something costly.
Service D: The Deep Maintenance Interval
Service D is one of the most comprehensive maintenance intervals for a Mercedes-Benz. Typically recommended around 50,000 miles or later, this service provides a full mechanical review to support long-term durability and performance.
During a Service D visit at Feldmann Imports, technicians perform all the inspections from previous service levels plus additional model-specific replacements and checks, which may include:
- Spark plug replacement (for gasoline engines)
- Transmission fluid and filter change (as applicable)
- Brake system inspection with potential pad or rotor replacement
- Suspension and drivetrain component inspection
- Exhaust system check
- Cabin and air filter replacement
- Full diagnostic test and vehicle road test
Because Service D is a higher-mileage service, the exact scope can vary by model, year, and engine type. Feldmann Imports will always review the required items for your specific vehicle before any work begins.
Why Service with Feldmann Imports in Bloomington, MN
Mercedes-Benz maintenance is precise by design. The best way to protect your investment is to have your service performed by certified technicians using factory-approved parts and diagnostic equipment.
At Feldmann Imports, you’ll receive:
- Mercedes-Benz Certified Technicians
- Genuine OEM parts and fluids
- Transparent pricing (Service A starting at $305, Service B at $725*)
- Complimentary multi-point inspection and car wash
- Comfortable customer lounge and loaner vehicles available
Our goal is simple: to make luxury service effortless.
Schedule Your Mercedes-Benz Service Today
Whether your dashboard shows Service A, B, C, or D, the certified technicians at Feldmann Imports will ensure your vehicle receives the exact care it needs.
Schedule your appointment online or contact our Service Department in Bloomington, MN. We’ll confirm which maintenance level your vehicle requires and provide a clear estimate before any work begins.
*Pricing listed is current at time of article. Pricing varies by model and year. Contact Feldmann Imports for an exact quote.