Component description for front reversible emergency tensioning retractor - GF91.40-P-4020LE

MODEL 221.0/1 as of model year 2009/YoM 08

Fig 1: Identifying Front Reversible Emergency Tensioning Retractor Component

Courtesy of MERCEDES-BENZ USA

Location

The reversible emergency tensioning retractors are located in the respective B-pillar.

Task

The reversible emergency tensioning retractors perform the following tasks:

Reading in of signals
Evaluation of input factors
Actuation of components

Reading in of signals

The input factors are read in via the following connections:

Direct line
Chassis CAN (CAN E)

Direct line

The following signals are read in via a direct line:

Terminal 30
Circuit 31

Chassis CAN

The following signal is read in via chassis CAN by the ESP control unit (N47-5) (without model 221.095/195) or by the regenerative braking system control unit (N30/6) (on model 221.095/195)

Request for reversible emergency tensioning retraction

Evaluation of input factors

The input factors that have been read in are evaluated by the integrated microprocessor and the relevant components are then actuated.

Actuation of components

The components are actuated directly in the reversible emergency tensioning retractor.

Wiring diagram, reversible emergency tensioning retractor

PE91.40-P-2200-97SAA