132 Driving and operatingFuelFuel for petrol enginesOnly use unleaded fuel that complieswith EN 228.Usage of fuel with quality, notcomplying to the TechnicalRegulations can lead to enginedamage and loss of all warrantyobligations.Equivalent standardised fuels with anethanol content of max. 10 % byvolume may be used. In this case onlyuse fuel that complies withE DIN 51626-1.Use fuel with the recommendedoctane rating 3 183. Use of fuel withtoo low an octane rating can reduceengine power and torque and slightlyincreases fuel consumption.CautionUse of fuel that does not comply toEN 228 or similar can lead todeposits or engine damage andloss of warranty.CautionUse of fuel with too low an octanerating could lead to uncontrolledcombustion and engine damage.Refuelling9 DangerBefore refuelling, switch offignition and any external heaterswith combustion chambers.Switch off any mobile phones.Follow the operating and safetyinstructions of the filling stationwhen refuelling.9 DangerFuel is flammable and explosive.No smoking. No naked flames orsparks.If you can smell fuel in yourvehicle, have the cause of thisremedied immediately bya workshop.CautionIn case of misfuelling, do notswitch on ignition.The fuel system on this vehiclerequires a refuelling process tocontrol evaporative emissions. Torefuel the vehicle:
