A self-study guide covering the design, function, mechanics, hydraulics, and electronics of the Mercedes-Benz Shiftmatic 0B81 automated manual gearbox for…
This document serves as a service training self-study programme detailing the design and function of the Shiftmatic 0B81 gearbox. It explains that this unit is an automated manual gearbox used in commercial vehicles like the Crafter, offering advantages such as lower fuel consumption and emissions compared to traditional automatics while retaining the mechanical simplicity of a manual transmission.
| Torque transfer | Max. 330Nm |
|---|---|
| Number of shafts | 3 shafts |
| Clutch type | Single-plate, self-adjusting dry clutch |
| Gearbox oil specification | G 009 317 A2 |
| Hydraulic oil capacity | 0.5 l |
| Weight | 52.5 kg |
It is an automated manual gearbox.
No, there is no clutch pedal like with automatic gearboxes; the clutch is operated by a hydraulic system.
Advantages include cheaper price, lower fuel consumption, lower exhaust emissions, lower weight, and less work for the driver.