As of 2015, the Mercedes-Benz Service A includes routine maintenance tasks such as replacing the oil and oil filter and checking all fluid levels. Service A also involves checking the tire pressure, inspecting all of the brake components, the windshield wiper blades and the vehicle's exterior for visible damage.
A full list of all the Service A maintenance work required for a specific model is provided in the vehicle's Mercedes-Benz Maintenance Booklet. Service A is recommended at specific intervals or mileage for each model. When the vehicle has reached the recommended mileage or time interval, a single wrench icon becomes illuminated on the control panel, alerting the customer that it is time for Service A. During Service A, the maintenance technician also resets the maintenance counter to ensure that the next Service A happens on time.
Mercedes-Benz also has recommended intervals for Service B, which is a more thorough check-up than Service A. Service B includes all of the items in Service A, plus numerous other maintenance tasks, such as checking and adjusting the headlights, inspecting the lighting in the trunk, inspecting the function of the windshield wipers and checking all visible parts in the engine compartment for damage or leaks.