What does a maintenance schedule c for this car include and how much ?

The maintenance services are indicated by Service type A through H. They are classified based on the estimated time needed to perform the service, approximately one hour (type A) to up to eight hours (type H). For more details get the Maintenance Booklet for your vehicle here; http://bit.ly/oh9fD7 Find a repair shop here; http://repairpal.com/mercedes-benz-within-10-miles-of-62269