Products, follow these steps: 1 An OBD BENZ SBC TOOL 16PIN connector into the vehicle's OBD-11 communications port; 2 Turn the ignition switch to ON, then OBD BENZ SBC TOOL power light lit, and the device will call and the second tone, said the device is working properly; 3 and then need to restore the maintenance mode switch (25% -50% -75% -100% can be selected) at this time there will be frequency BUSY indicator light, and the device will beep tones, 10 seconds to complete data recovery, whichAlways when the BUSY indicator. W211/R230 ABS/SBC TOOL (Repair Code C249F) for Mercedes Ben z cars have W211 and R230 with ABS SBC system. W211/R230 ABS/SBC Tool for Mercedes Benz The instruction as follows: TIPS: CODE C249F, OPERATION TIME OF COMPONENT A7/3 IS EXCEEDED (SBC HYDRAULIC UNIT) The above tips that show internal fault of control unit, you have to replace the SBC control module and using W211/R230 TOOL that can be easily repaired without replace the new control module. For Mercedes Benz's Safety Precautions had stated that before attempting to repair the brake system on its models W211 (E Class) and R230 (SL Class), the Sensotronic Brake Control (SBC) system must be deactivated first using its STAR-DIAGNOSIS tester. Deactivation of the SBC system is absolutely necessary before carrying out any maintenance work onthe brakes like changing of pads, discs and fluids because the system is under a pressure of 140 bars. Mechanics who perform brake services on these car models must have the proper tools to avoid the risk of injuries to themselves and damage to the brake system. Until the introduction of this inexpensive, convenient, light, safe and easy to use SBC tool is another alternative to the STAR-DIAGNOSIS tester when working on SBC system. It can perform the tasks equally well which is efficient and safety. After the repair had done, the SBC system can be activated and restore back its pressure. The memory is erased automatically. Quick, easy operations with LED indications. Safe to use Power ON when plugged into vehicle?s OBDII diagnostic connector. Light, compact and very convenient. Stand alone unit. This SBC tool works on W211 (E-Class) and R230 (SL-Class) with SBC systems. It is ideally suited for: Brake centers Independent for Mercedes Ben z workshops Tire Service centers Service garages Quick service centers For Mercedes Ben z Specialist centers Automotive Repair Workshops SBC TOOL Support Type: BOSCHNR: 0 265 960 012 BOSCHNR: 0 265 960 013 BOSCHNR: 0 265 960 015 BOSCHNR: 0 265 960 018 BOSCHNR: 0 265 960 019 BOSCHNR: 0 265 960 020 BOSCHNR: 0 265 960 023 BOSCHNR: 0 265 960 025 BOSCHNR: 0 265 960 028 Package including: 1pc x W211/R230 ABS/SBC Tool 1pc x OBD2 Cable 1pc x CD Software