Repair Mercedes CL- Class 2004-2008 | TCU 7G Tronic VGS 722.9

The 7G transmission (also called 722.9 ) that is used in various Mercedes-Benz models has a number of problems. Faults in the TCU 7G-Tronic transmission of the Mercedes CL-class cause symptoms such as: jerky shifting, poor shifting, automatic transmission slipping when shifting or automatic transmission no longer shifting. A large number of sensor error codes are stored when this gearbox ECU malfunctions, including: 0717 - The Signal From Component Y3/8N1 (Turbine Speed Sensor, VGS) Is Not Available, 0718 - The Component Y3/8N1 (Turbine Speed Sensor, VGS) Is Defective, 2201 - The Component Y3/8N2 (Internal Speed Sensor) Is Defective. Many of these problems can be solved by repairing the transmission module.