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故障现象一辆奔驰GLC260车,装配型号为274的发动机和9速自动变速器,行驶里程约为1.8万km。因车辆熄火后无法重新起动而电话求援,车辆被拖回修理厂检修。故障诊断接车后,试车验证故障,接通点火开关至ON位置,观察仪表,仪表上无任何报警提示信息。尝试起动发动机,起动机不运转。经询问驾驶人得知,车辆停放一会儿后,重新起动车辆时,起动机发出“呲喇”的异响,且
Fault phenomenon A Mercedes-Benz GLC260 car, assembly model 274 engine and 9-speed automatic transmission, mileage of about 18,000 km. Call for help because the vehicle can not restart after the flameout, the vehicle was towed back to the repair shop maintenance. Troubleshooting After receiving the car, test to verify the fault, turn on the ignition switch to ON position, observe the instrument, there is no alarm message on the instrument. Try to start the engine, the starter does not run. Upon inquiry, the driver was informed that after the vehicle was parked for a while and the vehicle was restarted, the starter issued an abnormal noise