This CAN Filter 18 in 1 is designed for universal application and should be installed after odometer adjustment for most chassis models. For W222, W205, and W447 models, it must be installed before odometer adjustment. The filter is compatible with multiple car models, compact, easy to operate, and offers stable performance and reliability. Compatible Models: S(222), S(221), C(205), C(204), V(W447), E(W212), E(207), A(W176), G(W463), ML(W166), SL(R231), X166, B(W246), W218, R172, W197, CLA(W117), X204 New Style: 222/205/217 Old Style: 166/212/463 Verify the correct car model before performing mileage adjustment. For old style W166, short circuit to GND. For new style W222, short circuit to GND. For use with CAS4/FEM Fxx systems. Supports 1 series F2X, 3 series F3X, X5, and other FEM mileage adjustments (no need to remove FEM; connect directly to instrument panel). Suitable for 5 series F10, 7 series F01/F02, and other CAS4 Fxx chassis models including F01, F02, F07, F18, F10, F20, F25, X3; compatible with 9S12 XEP series 5M48H/1N35H. WARNING: Short circuit the two dots together before connecting to the vehicle. Color: Green & Orange Material: ABS Note: The actual product may vary slightly in color due to lighting and display differences, which does not affect functionality. Package Includes: 1 x CAN Filter (Other items not included) Note: Lighting and screen settings may cause slight color variations. Measurement tolerance: ±1-3 cm.