2003 Mercedes SLK-Class Owner's Manual - Page 174

Operation Engine compartment Within 1 second press knob 1 on the instrument cluster twice. One of the following messages will subsequently appear in the indicator: OK -1.0 Q (Canada: -1.0 L) -1.5 Q (Canada: -1.5 L) -2.0 Q (Canada: -2.0 L) If there is excessive engine oil with the engine at normal operating temperature, a signal sounds and the following message will blink in the odometer display: HI i If the : and I symbols are continuously illuminated after pressing the left knob on the instrument cluster twice, and if there is no change in the odometer display field or the low engine oil level warning lamp comes on, a malfunction has occurred to the system. Perform the engine oil level check with the dipstick ( page 173). If no oil leaks are noted, drive to the nearest Mercedes-Benz Center to have the system checked. See "Practical hints" ( page 200) if the low engine oil level warning lamp in the instrument cluster lights up. Have excess oil siphoned. If the I symbol flashes in the odometer display field, a proper oil level check cannot be performed. Wait 5 minutes before repeating check procedure. Perform the oil level check with the dipstick ( page 173) if it cannot be completed via the odometer display field. In this case we recommend that you that you have the system checked at a Mercedes-Benz Center. ! If the message -2.0 Q (Canada: -2.0 L) blinks and a signal sounds, add oil according to amount displayed. For adding oil ( page 175). 174