I captured this while investigating repeated same-gear RPM changes in my 2011 G55 AMG with an Ultimate-NAG52 V1.3 Rev B installed.
The attached CSV is a cleaned two-second excerpt from a 10 Hz NAG52 diagnostic log. Absolute timestamps, raw diagnostic payloads, unrelated channels, and vehicle identifiers were removed. Throughout the excerpt the transmission reports fifth gear and a closed TCC, accelerator position remains at 82 raw, reported engine torque remains about 150–155 Nm, and turbine/output speeds stay nearly constant. Engine-to-turbine slip rises from 7 RPM to 128 RPM as target TCC pressure reaches roughly 1070→1000 mbar.
The fresh fifth-gear A1 lock-pressure row read from the controller was:
| Load (%) | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 125 | 150 |
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