An OBD tool with a 16PIN connector designed to interface with the vehicle's OBD-II communication port. Turn the ignition switch to ON; the OBD tool indicator light will illuminate, and the device will emit two beeps, indicating proper operation. This tool supports resetting the maintenance mode switch (adjustable at 25%, 50%, 75%, or 100%). During reset, the BUSY indicator light will activate, and the device will beep. Data recovery completes within 10 seconds while the BUSY indicator is active. Compatible with W211 and R230 models equipped with ABS systems. Addresses repair code C249F related to exceeded operation time of component A7/3 (hydraulic unit). This internal control unit fault can often be resolved using this tool without replacing the entire control module. For safety, deactivate the Sensotronic Brake Control system before performing brake service on W211 (E-Class) and R230 (SL-Class) models. System deactivation is required prior to pad, disc, or fluid replacement due to high pressure (140 bars) in the brake system. Failure to deactivate may result in injury or damage. This tool provides a safe, lightweight, and cost-effective alternative to STAR-DIAGNOSIS testers for system deactivation and maintenance tasks, ensuring efficient and secure operation. Color: Green Material: Plastic + Electronic Components Package Contents: 1 x W211/R230 ABS Tool 1 x OBD2 Cable 1 x CD Software Note: The package includes only the items listed above. Other accessories are not included. Due to lighting effects and monitor settings, the color in the image may slightly differ from the actual product. Measurement error allowed is +/- 1-3 cm.