MERCEDES – Continental 7G-tronic (722.9) First, Second and Third Generation – REPAIR SERVICE

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