- The DB Early transmission was available in two versions:
- - K4A-025 (MERC108): for engines in 190 / 200 / 220 / 230 / 250 / 280 / 300 versions of W108, W109, W110, W111, W112, W113 models
- - K4B-050 (MERC109): for W100 Pullman and W109 300 SEL 6.3, both with a 6.3l V8 engine