I have a 2010 c300 4matic and I went to my mothers home the other day when I went to lock the car Along with the vital it wouldn’t get the job done whatsoever! Once i went to go away the car wouldn’t get started, Not one of the buttons https://rylanibsgv.theblogfairy.com/27835836/the-2-minute-rule-for-mercedes-eis-repair