Instrument cluster 113 Engine diagnostics indicator lamp Indicator lamp On-board computer and displays Z Problem Possible causes/consequences and M Solutions The ; indicator lamp flashes. After you have turned the key in the ignition lock to position 2, the indicator lamp indicates the system's status by means of a sequence of flashes. If there are no malfunctions, the indicator lamp goes out after the engine is started. The ; indicator lamp lights up. The on-board computer shows an event window and the · indicator lamp in the display. An emissions-related malfunction has been detected. X Follow the instructions in the event window.
X Have the BlueTec® exhaust gas aftertreatment checked as soon as possible at a qualified specialist workshop. If you do not follow the instructions in the event window, a reduc- tion in the engine power output may be imposed, as per the mes- sage displayed: Rafter ten hours, e.g. if a low-grade diluted reducing agent is being used or the dosage is incorrect Rafter 36 hours, e.g. if the exhaust gas recirculation or the mon- itoring system is faulty