I might Examine battery voltage, if too lower the engine will not likely crank. Maybe you have a parasitic attract draining the battery. - Nick at Pelican Elements picador Put in the circuit board and Examine the state in the switches in the unlocked state. (Suggestion: It helps to depress https://mercedessteeringwheellock87631.win-blog.com/8020149/the-5-second-trick-for-mercedes-ignition-switch-repair