Mercedes 7G-Tronic - Seven-speed automatic transmission
Mercedes 7G-Tronic - Seven-speed automatic transmission
Embedded Files
We are opening a new office. Expect detailed information soon 🔜
This is a fairly typical problem with Mercedes cars equipped with the 7G-Tronic automatic transmission code 722.9. It frequently results in the transmission holding on to one gear for too long before jerkily forcing the next gear into place, which results in an extremely harsh gear shift.
This is a fairly typical problem with Mercedes cars equipped with the 7G-Tronic automatic transmission code 722.9. It frequently results in the transmission holding on to one gear for too long before jerkily forcing the next gear into place, which results in an extremely harsh gear shift.
If you have fault codes stored for the internal speed sensors, this is a very good indication that you have a faulty transmission control module.
If you have fault codes stored for the internal speed sensors, this is a very good indication that you have a faulty transmission control module.
Common Failure symptoms:
The gearbox goes into limp mode
Intermittently not changing gear
The gearbox goes into limp mode
Sticking in gear
Not selecting gears
Common fault codes:
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.
0721 – The Transmission Output Speed Signal Is Implausible When Compared To The Wheel RPM Signal
0722 – Output Speed Sensor Y3/8N3 Output Speed Sensor VGS Not Available
Part numbers:
A0335457332
A0034460310
A0335456732
A0009013000
A0009013200
A0009017100
Do you have a question?
Page updated
Google Sites
Report abuse