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Control Unit - Mercedes E W213 - transmission ECU 9G-tronic NAG3
Fault in the Bosch 9G-TRONIC NAG3 gearbox control unit.
A fault in the Mercedes 9G-TRONIC NAG3 gearbox control unit manifests itself through various gear-changing problems: reverse gear does not work, delayed or jerky gear changes, and severe gear-shifting jolts, particularly when the gearbox is warm or after long journeys.
The vehicle enters emergency mode, meaning the gearbox remains in one gear and no longer shifts up or down properly.
Fault codes:
- P073E00 – Reverse gear signal is faulty
- P07B700 – Pressure sensor signal is invalid
hide part numbers
0 260 550 058, 0260550058
0 260 550 091, 0260550091
0 260 550 095, 0260550095
A 000 270 43 00, A0002704300
A 000 901 45 02, A0009014502
A 000 901 48 00, A0009014800
A 000 901 50 00, A0009015000
A 725 270 01 18, A7252700118
A 725 270 10 03, A7252701003
A 725 270 19 05, A7252701905
A 725 270 90 11, A7252709011
show part numbers
hide part numbers
0 260 550 091, 0260550091
0 260 550 095, 0260550095
A 000 270 43 00, A0002704300
A 000 901 45 02, A0009014502
A 000 901 48 00, A0009014800
A 000 901 50 00, A0009015000
A 725 270 01 18, A7252700118
A 725 270 10 03, A7252701003
A 725 270 19 05, A7252701905
A 725 270 90 11, A7252709011
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