2007 Mercedes S-Class Owner's Manual - Page 548

Practical hints What to do if ...? Problem Possible cause/consequence The yellow engine malfunc- There is a malfunction in: tion indicator lamp comes The fuel management system on while driving. The ignition system The emission control system Systems which affect emissions Such malfunctions may result in excessive emissions values and may switch the engine to its limp-home (emergency operation) mode. Suggested solution Have the vehicle checked as soon as possible by an authorized Mercedes-Benz Center. An on-board diagnostic connector is used by the service station to link the vehicle to the shop diagnostics system. It allows the accurate identification of system malfunctions through the readout of diagnostic trouble codes. It is located in the front left area of the footwell. ± i Some states may by law require you to visit a workshop immediately as soon as the engine malfunction indicator lamp comes on. Check local requirements. 547