Why is my Mercedes-Benz ignition key not turning?
Try checking the voltage of the battery and if low just charge it and hope for the best. Those model cars are notorious for amperage draws at rest which is why the battery is probably dead. Could be one or both your seat control units under the seats staying on draining your battery. I just speak from experience. Just an fyi.
What to do when your car key won’t turn?
DAS was introduced back in 1996 and has had several security improvements. The main DAS versions DAS are DAS 2, 2A, X, 3. New drivers always experience this at least once, so we thought we would include it in this list. If the key does not turn in the ignition, try moving the steering wheel as you try to turn the key.
Why does my car ignition not turn on?
To prevent that problem, the ignition switch system has logic in it so that if the vehicle battery is too low, it won;t even attempt the infrared handshake and thus the switch won’t be unlocked. SO, yes, if you vehicle battery is dead or dying, you might not even be able to turn the key in the ignition switch.
What kind of key does a Mercedes Benz use?
While most Mercedes-Benz cars have the SmartKey some models such as the ML Class, SLK Class, Crossfire used a metal blade key up to 2005. Some models suffer from the defective key tumbler. We have seen cars with as little as 20,000 miles where the tumbler go bad. Make sure the steering wheel is not in a locked position as mentioned above.
What to do if the key does not turn in the ignition?
If the key does not turn in the ignition, try moving the steering wheel as you try to turn the key. The steering wheel will feel completely solid if you try to move it in one direction and may move slightly in the opposite direction.
What causes a Mercedes Benz key to not turn?
List of common problems and possible solutions 1 Locked Steering Wheel. New drivers always experience this at least once, so we thought we would include it in this list. 2 Discharged Battery Undervoltage. 3 Key Tumbler Defective. 4 Defective Electronic Ignition/Switch System EIS / N73. 5 Smart Key Remote.
Why is my ignition not working on my Mercedes Benz?
It is possible that the battery in the car is defective, as it does not provide the necessary voltage for the ECU and the N73 Electronic Ignition/Starter Switch (EIS) to function properly. If the battery is dead or has low voltage / under voltage, the CAN communication between EIS and N72 may not function properly.
Why does my steering wheel not turn when I turn the key?
Turn the Steering Wheel The most common reason that a car key will not turn is that the steering wheel has locked. This will happen when the steering wheel has been moved after the key has been removed from the ignition cylinder. Turn the steering wheel to the right and left.