My electronic Key won’t turn in the ignition ?

right key? Check batt. in key. Try another key. If still nothing, could be Mercedes EZS EIS Ignition Switch Problem, Cause. A problem that Mercedes-Benz owners may face is the key no longer turns in the ignition. This issue is often caused either by a defective key, bad shifter module, a failed Electronic Ignition Switch (EIS) also known as the EIS-EZS or a bad steering lock module (ESL). This problem can affect various Mercedes-Benz models including E-Class, S-Class, C-Class, CLK-Class, ML-Class, SL-Class, etc. Possible Symptoms Possible symptoms of a failed Mercedes-Benz include: Key does not turn in the ignition due to failed EIS Key doesn’t turn during cold weather Key may turn, but the instrument cluster lights don’t turn on Unable To Turn The Key, Unable To Start The Car Can turn the key but car won’t start Mercedes key intermittently works Push start button no longer works

How do I fix my key wen it say remove key