Get rid of the 10mm hex bolt that secures the steering wheel towards the steering column. Counter-keep the steering wheel to prevent putting pressure to the steering lock. Set up the circuit board and Test the point out with the switches during the unlocked state. (Suggestion: It can help to https://mercedesignitionswitch23949.blogdosaga.com/28106343/how-mercedes-steering-lock-emulator-can-save-you-time-stress-and-money