Service A Due / Service B Due
Mercedes-Benz Vehicle
Severity: MinorWhat it means
Service A and Service B are Mercedes's scheduled maintenance intervals.
Service A is a minor service (oil change + inspection).
Service B is a major service (oil + filters + brakes + more).
They alternate roughly every 10,000 miles.
Affected Models
- Mercedes C-Class
- Mercedes E-Class
- Mercedes GLC
- Mercedes GLE
- Mercedes A-Class
- All Mercedes models (2009+)
Common Causes
- Mileage or time-based interval reached
- Service not reset after the last maintenance
How to Fix It
-
Schedule the appropriate service.
Service A: oil change, oil filter, fluid checks, tire inspection.
Service B: everything in A plus cabin filter, brake inspection, and additional checks. -
After service: reset the indicator.
Use the steering wheel buttons:
1.
Go to Service menu in the instrument cluster.
2.
Select the service item.
3.
Hold OK for 3 seconds to reset.
Or the technician resets it with Star Diagnostic. -
You can service at an independent shop.
You do not need to go to the dealer.
Any qualified mechanic can perform Service A/B.
Using an independent shop saves 30-50%.
Frequently Asked Questions
How much does Service A cost?
Dealer: $200-$400.
Independent shop: $100-$200.
DIY oil change: $50-$80 for parts.
How much does Service B cost?
Dealer: $400-$800.
Independent shop: $200-$400.
Service B includes more items and takes longer.