112 Driving and operatingService modePress button i for 5 seconds to putthe vehicle into service mode. Theindicator light will illuminate. Whenservice mode has been activated, theair suspension master switch must beturned off.To exit service mode, press buttoni again for 5 seconds.FaultIf a fault is detected, i button willflash intermittently. If the servicemode has been activated and there isa fault h, S and R buttons will flashsimultaneously.Have the cause of the fault remediedby a workshop.Engine exhaust9 DangerEngine exhaust gases containpoisonous carbon monoxide,which is colourless and odourlessand could be fatal if inhaled.If exhaust gases enter the interiorof the vehicle, open the windows.Have the cause of the faultrectified by a workshop.Avoid driving with an open loadcompartment, otherwise exhaustgases could enter the vehicle.Diesel particle filterThe diesel particle filter system filtersharmful soot particles out of theexhaust gases. The system includesa self-cleaning function that runsautomatically during driving withoutany notification. The filter is cleanedby periodically burning off the sootparticles at high temperature. Thisprocess takes place automaticallyand the emission of smells andsmoke during this process is normal.Under certain driving conditions, e.g.short distances, the system cannotclean itself automatically.If cleaning of the filter is required andif previous driving conditions did notenable automatic cleaning, it will beindicated by illumination of controlindicator A 3 79. Seek theassistance of a workshopimmediately.Catalytic converterThe catalytic converter reduces theamount of harmful substances in theexhaust gases.
