W211/R230 ABS/SBC Tool for Mercedes An OBD tool with a 16PIN connector that plugs into the vehicle's OBD-II communications port. Turn the ignition switch to ON; the OBD tool light will illuminate, and the device will emit a beep tone, indicating proper operation. The tool allows restoration of the maintenance mode switch (25% - 50% - 75% - 100%) with a BUSY indicator light. The device will beep during operation, and data recovery completes within 10 seconds, indicated by the BUSY light. This W211/R230 ABS/SBC tool is designed for Mercedes models W211 and R230 equipped with ABS systems. It addresses repair code C249F related to exceeding operation time of component A7/3 (hydraulic unit). This indicates an internal control unit fault. The tool enables repair without replacing the control module. For safety, deactivate the Sensotronic Brake Control (SBC) system before performing brake system maintenance on W211 (E-Class) and R230 (SL-Class) models. System deactivation is required prior to brake pad, rotor, or fluid replacement due to high pressure (up to 140 bars) in the system. Proper tools are essential to prevent personal injury and brake system damage. This affordable, compact, safe, and easy-to-use tool serves as an alternative to STAR DIAGNOSIS testers for SBC system servicing. It performs required functions efficiently and safely. Color: Green Material: Plastic + Electronic Components Package Contents: 1 x W211/R230 ABS/SBC Tool 1 x OBD2 Cable 1 x CD Software Note: Light reflection and display differences may cause slight color variations between the image and actual item. Measurement error allowance is +/- 1-3 cm.