That being said, its always good practice to check. Service a covers basic auto services which include a synthetic motor oil. Once every 10,000 miles, with either service a or service b, is the standard oil change frequency. 20241111 for most mercedes models, the recommended oil change frequency is every 10,000 to 15,000 miles, or once a year, whichever comes first. Check your owners manual for.
This range is a general suggestion, however. Be sure to check your owners manual for a.