4Matic Transfer Case, Function - GF28.10-P-1000AVN
Model 257 (except 257.361) with transmission 725.0
up to model year 2021
Sectional view of transfer case
4MATIC transfer case, general
The separate transfer case is fitted to the transmission housing. What makes it so special is its single-speed front axle transmission output with integrated universal joint (6). Thanks to the single-speed design, a spur gear set with bearing mount is not required. This acts positively on efficiency, weight and the noise characteristics of the drive train.
In case of defects, the transmissions (automatic transmission and transfer case) can be replaced or repaired separately. In case of repair, certain component parts of the transfer case can be replaced. It is not essential to replace the entire transfer case.
| Overview of system components of permanent all-wheel drive | GF28.00-P-9997AVN |