Driving and operating 153After automatic cut-off, it can betopped up by operating the pumpnozzle a maximum of two more times.CautionWipe off any overflowing fuelimmediately.When refuelling is complete, replacethe fuel filler cap and turn it clockwise.Close the fuel filler flap.Fuel filler capOnly use genuine fuel filler caps.Diesel-engined vehicles have specialfuel filler caps.Fuel consumption - CO2-EmissionsFor the values specific to yourvehicle, refer to the EEC Certificate ofConformity provided with your vehicleor other national registrationdocuments.General informationThe official fuel consumption andspecific CO2 emission figures quotedrelate to the EU base model withstandard equipment.Fuel consumption data and CO2emission data are determinedaccording to regulation715/2007 692/2008 A, taking intoconsideration the vehicle weight inrunning order, as specified by theregulation.The figures must not be taken as aguarantee for the actual fuelconsumption of a particular vehicle.Additional equipment may result inslightly higher results than the statedconsumption and CO2 figures.Furthermore, fuel consumption isdependent on personal driving styleas well as road and traffic conditions.Trailer hitchGeneral informationOnly use towing equipment that hasbeen approved for your vehicle.Entrust fitting of towing equipment ata later date to a workshop. It may benecessary to make changes thataffect the cooling system, heatshields or other equipment.Driving characteristics andtowing tipsIn the case of trailers with brakes,attach the breakaway stopping cable.Before attaching a trailer, lubricatethe coupling ball. However, do not doso if a stabiliser, which acts on thecoupling ball, is being used to reducesnaking movements. For trailers withlow driving stability the use of astabiliser is recommended.A maximum speed of 50 mph mustnot be exceeded, even in countrieswhere higher speeds are permitted.