Usage Tips: Features: When the engine start/stop button is in the OFF state, the steering wheel is locked to prevent theft. When the door is opened or the smart key is removed from the smart key cylinder, the steering wheel is automatically locked. When the engine start/stop button is in the ACC state, the steering wheel will automatically unlock. No noise, strong power, durable construction, and excellent quality. Specifications: Condition: New Color: As shown in picture Material: Metal Fitment: For Mercedes-Benz W204, W207, W212 chassis models, including all C-Class, E-Class, and GLK models from 2006 to 2014 (such as C180, C200, C280, E200, E260, E320, E350, GLK200, GLK350, etc.) Package List: 1 x Motor Lock Notes: 1. Pay attention to small mechanical parts inside the lock during installation. Ensure all components are correctly installed. Handle the two touch switches on the board with care. 2. Monitors are not calibrated the same; the item color in photos may slightly differ from the actual product. Please refer to the physical item for accurate color. 3. The motor can be repaired by replacing it if faults occur. Common issues include: remote control operates doors normally, key inserts into ignition lock (EIS) and turns switch, but instrument lights do not illuminate, steering wheel lock fails to release (or partially remains locked), and vehicle cannot start. 4. Please note that either new or old version of this product may be shipped randomly. Confirm acceptance of this condition before ordering.