This CAN Filter 18 in 1 is a universal filter designed to be added to the vehicle after odometer adjustment for most chassis models. For W222, W205, and W447 models, it should 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. Compatible with: CAS4/FEM Fxx 1 Series F2X, 3 Series F3X, X5, etc. – FEM mileage adjustment (no need to remove FEM, connect directly to instrument panel) 5 Series F10, 7 Series F01/F02, etc. – CAS4 Fxx chassis (F01, F02, F07, F18, F10, F20, F25, X3, etc.), applicable for 9S12 XEP series 5M48H/1N35H NOTICE: Short circuit the two dots together before connecting to the vehicle. Color: Green & Orange Material: ABS Note: The actual product may have slight color variations due to lighting and display differences, which do not affect functionality. Package Includes: 1 x CAN Filter Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement may vary by +/- 1-3 cm.