message states visit workshop! with car's icon please tell me what this means. on 2004 Mercedes-Benz E500

I just wanted to know about how much money service would cost?

Asked by for the 2004 Mercedes-Benz E500
you are mostly due for service. depends on work needed what it will cost
Thanks, I know service is required. I wanted to know if this message denotes a specific repair?
it could but as i said i don't know maint history.