4Matic Front Axle Transmission, Function - GF33.10-P-3000AVK

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Transmission 725 (except 725.096) in model 213

up to model year 2021

with code M005 (Vehicles with 4MATIC/all-wheel drive)

Front axle transmission in general

Courtesy of MERCEDES-BENZ USA

Front axle transmission

The front axle transmission is designed as a single-speed differential (4) with fuel-efficient technology (fuel economy). The housing of the front axle transmission is made of aluminum and bolted to the oil pan of the engine by means of front axle transmission carrier (7). The drive pinion (2) is positioned at an angle piece of 83° to the crown gear (3), to adjust the course of the propeller shaft relative to the front axle differential. The ring gear (3) is attached on the engine side and bolted to the differential housing of the differential (4). This location of components of the front axle transmission causes the change in direction of rotation, which occurs due to the single-speed front axle transmission output in the transfer case, to reverse again.

Overview of system components, automatically controlled all-wheel drive (4MATIC)

GF28.00-P-9998AVK