2006 Mercedes E-Class Owner's Manual - Page 361

Operation Maintenance We strongly recommend that you have your vehicle serviced by an authorized Mercedes-Benz Center, in accordance with the Maintenance Booklet at the times called for by the maintenance service indicator display. Failure to have the vehicle maintained in accordance with the Maintenance Booklet and maintenance service indicator at the designated times/mileage will result in vehicle damage not covered by the Mercedes-Benz Limited Warranty. Maintenance service indicator message The maintenance service indicator will notify you when your next maintenance service is due. Starting approximately 1 month before maintenance service is due, one of the following messages will appear in the multifunction display while you are driving or when you switch on the ignition (example service A): Service Service Service Service A A A A in XXXX Miles (Km) in XXX Days in X Day due now The maintenance services will be indicated by showing a service type A through type H in the multifunction display. Types A through H are classified based on estimated time needed to perform the maintenance service, ranging: from Service A (approximately 1 hour) to Service H (approximately 8 hours) Refer to Maintenance Booklet for a listing of maintenance services and intervals they need to be performed at. 360