Recently, Mercedes-Benz (China) Automobile Sales Co., Ltd. filed a recall plan with the AQSIQ. From January 19, 2017, part of the 2015-2016 imported E-Class coupe will be recalled from September 3, 2014 to March 2, 2016. According to the company's statistics, there are 5,738 units in mainland China.
Some of the vehicles in this recall range have incorrect software codes for the parking lights function. When the parking light switch is turned on, the parking lights located on the trunk lid may not be illuminated, posing a safety hazard.
Mercedes-Benz (China) Automobile Sales Co., Ltd. will carry out free software upgrades for vehicles within the scope of the recall to eliminate hidden dangers.
Mercedes-Benz (China) Automobile Sales Co., Ltd. recommends that once the relevant user owner discovers such a situation, please go to the nearest authorized service provider for disposal. Contact the dealer for repair as soon as possible after the start of the recall.
The Mercedes-Benz Authorized Service Center will notify the customer about the recall by registered mail. At the same time, users can also call the service hotline for consultation. Users can also visit the website of the Inspection and Supervision Department of the General Administration of Quality Supervision, Inspection and Quarantine (jyjgs.aqsiq.gov.cn), the website of the AQSIQ Defective Product Management Center ( ) and the WeChat Public Account (AQSIQDPAC) for more information. 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.
Single action double pump principle: Blade is embedded in the groove and can slide freely, when, produced by the rotation of blades to under the action of a centrifugal pump shell, vane pump is a positive displacement pump, the adjacent two blades movement to the bottom with the pump casing and rotor closed minimum volume, when it is the largest, when rotor clockwise, the adjacent two blades experience from the bottom to the top of the process is the volume increase, So oil absorption (from quadrant 4 to quadrant 2); From the top to the bottom is the volume reduction process, so the oil pressure (from the second to the fourth quadrant).
Double-acting double pump principle: when the motor drives the rotor along the rotation, the blade under the dual action of centrifugal force and pressure oil at the bottom of the blade extends outwardly, the top of which is close to the inner surface of the stator. The four blades on the four concentric arcs, the outer surface of the rotor, the inner surface of the stator and the two valve plates respectively form four sealed working oil cavities. The oil chamber with the rotation of the rotor, sealing oil chamber produced from small to large or from large to small changes, can be through the valve plate oil suction window (connected with the oil suction port) or oil discharge window (connected with the oil discharge port) the oil suction or pressure out. In the process of each rotation of the rotor, each working oil chamber to complete two oil suction and pressure, so called double-acting vane pump, because the high and low pressure chamber symmetrical symmetry, axial force balance, for unloading type.
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