2009 Mercedes CLS-Class Owner's Manual - Page 241

Operation Maintenance Maintenance service indicator message The maintenance service indicator message will notify you when the next maintenance service is due. Starting approximately 1 month before the next 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 A Due In XXXX Miles (Km) Service A Due In XXX Days Service A Due In X Day Service A Due Now (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. Clearing the maintenance service indicator message The maintenance service indicator message is automatically cleared Rafter Rafter Rafter 1 Reset button X approximately 10 seconds when you switch on the ignition approximately 10 seconds when reaching the service threshold while driving approximately 30 seconds, once the suggested maintenance service term has passed To clear the maintenance service indicator message: Press reset button 1 on the instrument cluster. The standard display appears in the multifunction display. Maintenance service term exceeded If you have exceeded the suggested maintenance service term, you will see the following message in the multifunction display: Service A Exceeded By XXXXX Miles (Km) Service A Exceeded By XXX Days Service A Exceeded By X Day In addition, a signal sounds when the message appears. 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 Z 239