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Recently, Mercedes-Benz (China) Automobile Sales Co., Ltd. filed a recall plan with the General Administration of Quality Supervision, Inspection and Quarantine, and will recall production from June 11, 2017 to September 11, 2017, starting from December 26, 2017. Part of the import of 2016-2017 C-class AMG and G-class cars, according to the company's statistics, China's mainland involved a total of 4,572 vehicles. details as follows:
(1) Part of the imported 2016 C-class AMG series vehicles produced during the period from June 11, 2014 to May 31, 2016, totaling 889 vehicles;
(II) Part of the imported 2017 G-class series cars produced between September 2, 2015 and September 11, 2017, totaling 3,683.
The ESP software of some vehicles within the above range (1) lacks the identification and control functions of the torque peaks that may occur under extreme conditions of the vehicle. When the vehicle starts on the wet road surface with the track mode limit and the valve is fully open, the fixed flange of the rear axle differential may be broken due to the huge torque, causing the rear axle differential to tilt and the drive shaft may be broken. As a result, the vehicle loses power and increases the risk of collision, which poses a safety hazard. Mercedes-Benz (China) Automobile Sales Co., Ltd. will upgrade the ESP control unit software for vehicles within the recall to eliminate potential hazards.
The ESP software parameters of some vehicles in the above range (2) are incorrect, and the ESP software with the enhanced version of the limit control system may have communication failure under certain conditions. When driving the enhanced version of the limit control system, if there is communication between the enhanced version of the distance control system and the ESP, the vehicle will maintain the current engine torque regardless of the speed of the vehicle or the driver's brake, but the vehicle can Brake at any time or shift the gearbox to neutral. Depending on the engine torque at the time, a larger braking force may be required for braking, and the braking distance may increase accordingly, increasing the risk of collision of the vehicle and posing a safety hazard. Mercedes-Benz (China) Automobile Sales Co., Ltd. will upgrade the ESP control unit software for vehicles within the recall to eliminate potential hazards. Stock vehicles will be sold after the defect has been eliminated.
Mercedes-Benz (China) Automobile Sales Co., Ltd. will notify customers by registered mail. Users can obtain information about this recall by calling the Mercedes-Benz (China) Automobile Sales Co., Ltd. hotline 400-818-1188. Users can also visit the AQSIQ website inspection and supervision department (jyjgs.aqsiq.gov.cn), the AQSIQ Defective Product Management Center website () and the WeChat public account (AQSIQDPAC) for more information. . In addition, you can also call the Defective Product Management Center hotline or the local entry-exit inspection and quarantine agency's quality hotline: 12365 (switch No. 2), reflecting the problems in the implementation of the recall or submitting defects.
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Tetrapotassium Pyrophosphate (TKPP) is a white crystalline powder that is soluble in water. It is a potassium salt of pyrophosphoric acid, with the chemical formula K4P2O7. TKPP is used as a food additive, a buffering agent, and a dispersing agent in various industries.
In the food industry, TKPP is used as a sequestrant, emulsifier, and stabilizer in processed cheese, meat products, and canned seafood. It is also used as a leavening agent in baked goods and as a flavor enhancer in some beverages.
TKPP is also used in the industrial sector as a dispersant in oil drilling, as a cleaning agent in metal finishing, and as a water softener in detergents. It is also used in Water Treatment to prevent the formation of scale and corrosion in pipes and equipment.
While TKPP is generally recognized as safe by the FDA, excessive consumption may lead to gastrointestinal irritation and other health issues. As with any food additive, it is important to use TKPP in moderation and according to recommended guidelines.