Table 12 The gear ratios, interval of gear ratio and transmission efficiency of Benz 9G-Tronic
From: Configuration Synthesis and Performance Analysis of 9-Speed Automatic Transmissions
Gear | Gear ratio | Interval of gear ratio | Transmission efficiency |
|---|---|---|---|
Reverse gear | − 4.932 |  | 0.9407 |
1st gear | 5.503 | Â | 0.9596 |
2nd gear | 3.333 | 1.65 | 0.9790 |
3rd gear | 2.315 | 1.44 | 0.9698 |
4th gear | 1.661 | 1.39 | 0.9797 |
5th gear | 1.211 | 1.37 | 0.9877 |
6th gear | 1 | 1.21 | 1 |
7th gear | 0.865 | 1.16 | 0.9919 |
8th gear | 0.717 | 1.21 | 0.9913 |
9th gear | 0.601 | 1.19 | 0.9813 |