Have Mercedes Questions? Ask a Mechanic for Answers ASAP
First of all Serv. menu must be selected by pressing left/right arrow buttons on steering wheel.
Press up/down arrows to see the Tyre pressure menu, and enter into it by pressing OK.
Press OK again
Then using up/down buttons Yes must be selected to confirm that tyre pressure is correcc and then press OK again.
Hello John,First you need to select the Serv. menu, and only from there it is possible to get into the run flat menu.Please let me know the VIN of your car to check which run flat version you have
Please see the workshop instructions in the attachement. They are vehicle-specific.