Features: The ESL motor is damaged and needs to be replaced with a new motor. The NEC chip is locked, theoretically it can be unlocked, but in reality it needs to be replaced with a new ESL. ESL Compatible with W204 W207 W212, works with CGDI-MB key programmer, can perform the same function as Xhorse-ELV Emulator. CGDI ESL-ELV Emulator Simulator Compatible with W204 W207 W212 Works with VVDI MB-BGA / CGDI-MB best price. Durable and easy to install. Specifications: Material: Plastic Size: Approx. 9.5 x 6.5 cm / 3.74 x 2.55 inches Compatible with W204 W207 W212 Item Height: 4.5 cm Item Length: 9.5 cm Item Width: 6.5 cm Item Type: Automatic Key Programmer Note: 1. Please allow 1-2 cm errors due to manual measurement, make sure you do not mind before you order. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you for your understanding. Package Includes: 1x ELV Emulator