2000 Mercedes SL-Class Owner's Manual - Page 208

Instruments and controls Operation Driving Instrument cluster display Practical hints Car care Technical data Index Malfunction and indicator lamps Malfunction and indicator lamps in the instrument cluster General information: If a bulb in the instrument cluster fails to light up during the bulb self-check when turning the electronic key in steering lock to position 2, have it checked and replaced if necessary. On-board diagnostic system Check engine malfunction indicator lamp The Sequential Multiport Fuel Injection (SFI) control module monitors emission control components that either provide input signals to or receive output signals from the control module. Malfunctions resulting from interruptions or failure of any of these components are indicated by the "CHECK ENGINE" malfunction indicator lamp in the instrument cluster and are simultaneously stored in the SFI control module. If the "CHECK ENGINE" malfunction indicator lamp comes on, have the system checked at your authorized Mercedes-Benz Center as soon as possible. 204 With some exceptions, the control module switches off the "CHECK ENGINE" malfunction indicator lamp if the condition, causing the lamp to come on, no longer exists during three consecutive cycles. An on-board diagnostic connector is located in the passenger compartment near the engine hood release, allowing the accurate identification of system malfunctions through the readout of diagnostic trouble codes. Brake warning lamp Except Canada Canada only With the key in steering lock position 2, the brake warning lamp will come on. It should go out when the engine is running.