Instruments and controls 91Preheating and dieselparticle filter! illuminates or flashes yellow.IlluminatesPreheating activated. Only activateswhen outside temperature is low.FlashesControl indicator ! flashes if thediesel particle filter requires cleaningand previous driving conditions didnot permit automatic cleaning.Continue driving and if possible donot allow engine speed to drop below2000 rpm.The control indicator ! goes off assoon as the self-cleaning operation iscomplete.Diesel particle filter 3 128.Tyre pressure monitoringsystemw illuminates or flashes yellow.Control indicator illuminatesyellowTyre pressure loss. Stop as soon aspossible and check tyre pressure. Amaximum speed of 50 mph ispermitted for run-flat tyres 3 174.Control indicator flashes yellowfor approx. one minute and thenilluminates continouslyFault in system or tyre withoutpressure sensor mounted (e.g. sparewheel). Consult a workshop.FlashesFlashes three times to indicatesystem initialisation.Tyre pressure monitoring system3 176.Interactive driving system,continuous dampingcontrol, sport modeIDS+ illuminates yellow.Illuminates for approximately10 seconds after the driver's door isopened. Illumination whilst drivingindicates a fault in the system. Thesystem switches to the harder chassissetting for reasons of safety. Have thecause of the fault remedied by aworkshop.IDSPlus 3 141, Continuous dampingcontrol 3 142, Sport mode 3 141.Engine oil pressureI illuminates red.Illuminates when the ignition isswitched on and goes out shortly afterthe engine starts.Illuminates when the engine isrunningCautionEngine lubrication may beinterrupted. This may result indamage to the engine and/orlocking of the drive wheels.
