CGDI ELV Emulator Renew ESL for MB ELV Emulator is a newly released adapter that can renew ESL for 204, 207, and 212 models and works with MB for key programmer. It can perform the same function as other ELV emulators available on the market. Most W204, W207, W212, and W211 ESL units may become damaged along with EIS. In such cases, there are two possible reasons and solutions: the ESL motor may be damaged and require replacement, or the NEC chip may be locked. While the chip can theoretically be unlocked, in practice, it often requires replacing the entire ESL unit. Compatible with W204, W207, W212, and W211 Color: Black Material: Plastic Package Contents: 1 x ELV Emulator Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by up to +/- 1-3 cm.