Mercedes-Benz E-Class: SmartKey
0. To remove the SmartKey (shift the transmission to position P)
1. Power supply for some consumers, such as the windshield wipers
2. Ignition (power supply for all consumers) and drive position
3. To start the engine
If the SmartKey is in position 0 in the ignition lock for an extended period of time, it can no longer be turned in the ignition lock. The steering is then locked. To unlock, remove the SmartKey and reinsert it into the ignition lock.
The steering is locked when you remove the SmartKey from the ignition lock.
The SmartKey can be turned in the ignition lock even if it is not the correct SmartKey for the vehicle. The ignition is not switched on. The engine cannot be started.