Basic Function of AMG Drive Unit Control Unit - GF27.60-P-9891A

Model 167 with engine 256

with code M016 (Uprated engine)

Model 177 with engine 139, 260

with code AA7 (POWER VARIANT UPRATED 2)

Fig 1: AMG Drive Unit Control Unit Components Location - Model 177 With Engine 260 With Code AA7

Courtesy of MERCEDES-BENZ USA

Shown on model 167

Overview

This document contains the following information:

Location
Task

Location

The Drive Unit control unit is fastened to the right rear-end center

section below the load compartment floor.

Task

The Drive Unit control unit coordinates the drive programs. Depending on the vehicle and equipment installed, the following drive programs are available:

Comfort
ECO
Sport
Sport+
OFF-ROAD
Off-road Plus
Individual

The drive programs as well as the representation of the all-wheel visualization are shown in the head unit/instrument cluster display cluster.

On vehicles with active engine mount or electronic locking differential, the Drive Unit control unit also reads in the signals from various sensors over the CAN network and uses them to calculate the specified status of the active engine mounts and the locking ratio of the electronic differential lock.

The Drive Unit control unit is codable and programmable, i.e., the complete software in the control unit can be updated.