Description
Common Faults:
The Mercedes 7G-Tronic for the 722.9 gearbox is a common failing unit that will cause problems changing gear and can force the vehicle into limp mode.
Common Fault Codes
- P2207 Component Y3/8n3 (Output speed sensor (VGS)) is defective – upon request
- P2206 Component Y3/8n3 (Output speed sensor (VGS)) is defective – upon request
- P2550 Component Y3/8n3 (Output speed sensor (VGS)) is defective – upon request
- 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,
- 0722 The signal from component Y3/8n3 (Output speed sensor (VGS)) is not available – upon request
- 2201 – the component Y3/8n2 (internal speed sensor) is defective
