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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   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