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故障现象一辆2014款奔驰E260车,配备M274发动机,累计行驶里程约为8万km,客户打电话反映,车辆停放一段时间后,发动机无法起动。故障诊断接车后检查发现,蓄电池严重亏电,拆下蓄电池对其进行连续充电直至充满。将充好电的蓄电池重新装车,准备测量车辆的静态电流。关闭4个车门,按下遥控器锁止按钮,在等待的过程中,散热风扇突然开始运转,按下遥控器解锁按钮,散热风扇停止运转。
Symptoms A 2014 Mercedes-Benz E260 car with M274 engine has a total mileage of about 80,000 km. The customer called to reflect that the engine could not start after the vehicle parked for a period of time. Troubleshooting After the car inspection found that the battery serious loss of power, remove the battery to charge it continuously until it is full. Will recharge the battery re-loading, ready to measure the vehicle’s quiescent current. Turn off the four doors, press the remote control lock button, in the waiting process, the cooling fan suddenly started running, press the remote control to unlock the button, the cooling fan to stop functioning.