- Steering Wheel Lock: Ensure the steering wheel is unlocked. Try gently turning the steering wheel left and right while turning the key.
- Faulty Ignition Switch: The ignition switch itself may be faulty. Insert and remove the key several times to see if it engages. If it doesn't, you might need to replace the ignition switch.
- Key Issues: Check the key for any damage or deformation. Make sure it's the correct key for your vehicle.
- Worn-out Ignition Lock Cylinder: Over time, the ignition lock cylinder can wear out, making it difficult to turn the key. You may need to replace the ignition lock cylinder.
- Mechanical Issues: If the key still won't turn after trying the above solutions, there might be an underlying mechanical issue. It's best to have your vehicle inspected by a professional mechanic.
If you're unsure about any of these steps or are uncomfortable attempting to resolve the issue yourself, it's recommended to seek assistance from a qualified auto mechanic or take your vehicle to an authorized Mercedes Benz service center for further diagnosis and repair.
