Please note there are two types for 722.9 TCU ECU conductor plate control module, #2 and #3. The sensors are compatible with both types and provide stable performance. Install with care by placing a bushing or protective material under the sensor protector to prevent damage to the TCU plate during installation. Fits A/CL/CLC/CLK/CLS/E/G/GL/GLK/ML/R/S/SL/SLK Class (2000–2011) and SsangYong models (2008–2011). Ideal replacement for old or damaged units. Condition: Rebuilt Item Type: TCU Control Module Sensor Common Fault Codes: - P2767: Signal from component Y3/8n2 (Internal speed sensor VGS) not available - P2768: Component Y3/8n2 (Internal speed sensor VGS) is defective - P0717: Signal from component Y3/8n1 (Turbine speed sensor VGS) not available - P0718: Component Y3/8n1 (Turbine speed sensor VGS) is defective Fitment: For W221 S300 S350 S500 S550 S600 Color: Black Material: ABS Package Includes: - Y3/8n1 x 1 pc - Y3/8n2 x 1 pc - Y3/8n3 x 1 pc Package Contents: 3 x Transmission Speed Sensor Note: Other items not included. Note: Lighting and display settings may cause slight color differences between the image and the actual item. Measurement error allowed is +/- 1–3 cm.