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Home >> Mercedes Benz >> 2021 >> Metris Van Cargo >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System -- Body (1 Of 6) -- 447 Chassis >> Basic Knowledge >> Ambiance Illumination Control Unit, Component Description - GF82.20-S-5161A

Ambiance Illumination Control Unit, Component Description - GF82.20-S-5161A

Model 447 

with code LE3 (Cockpit + rear passenger compartment 64-color ambient lighting) 

with code LE4 (Ambient lighting in cockpit with 64 colors) 

with code LE5 (Ambient lighting 64-color, Marco Polo complete) 

with code XM7 (MOPF II) 

IMPORTANT The numbers on the pins indicate the pin numbering of the slots.

Ambient lighting control unit, shown on model 447.8 

Fig 1: Ambiance Illumination Control Unit Components Location - Model 447 With Code LE3, LE4, LE5 And XM7 (Shown On Model 447.8)
G16501564Courtesy of MERCEDES-BENZ USA

Overview 

This document contains information on:

General 

The ambient lighting control unit (N162/1) is installed on the front passenger side on the A-pillar

Function 

Depending on the equipment installed light elements are installed at various points in the vehicle The ambient lighting control unit (N162/1) is used to actuate these light elements in the vehicle The ambient lighting relay K128) is responsible for the power supply of the light elements The ambient lighting relay (K128) is actuated by the signal acquisition and actuation module (SAM) control unit (N10/1)

The following input parameters and initial parameters are read in or output over direct lines by the ambient lighting control unit (N162/1):

Input factors over a direct line Initial parameters over a direct line
Circuit 30t -
Circuit 31 -
- LIN B30
- LIN B31
- LIN B34
- LIN B41
with code LE3 (Cockpit + rear ambient lighting, 64 colors) in combination with code
U90 (Luxury seat, 1st seat row, left)
- LIN B42
with code LE3 (Cockpit + rear ambient lighting, 64 colors) in combination with code
U91 (Luxury seat, 1st seat row, right)

Input parameters and initial parameters for the following control units are sent or received by the ambient lighting control unit (N162/1) over the interior CAN (CAN B):

Input parameters and initial parameters via interior CAN (CAN B) Supplemental information
Signal acquisition and actuation module (SAM) control unit (N10/1) With code E7M (MBUX multimedia system) With code E7H (MBUX multimedia system High)
Left 1st rear seat row seat adjustment control unit with memory (N25/20) With code U90 (Luxury seat, 1st seat row, left)
Right 1st rear seat row seat adjustment control unit with memory (N25/21) With code U91 (Luxury seat, 1st seat row, right)
Anti-theft alarm system (ATA) control unit (N26/6) With CODE FY1 (Theft protection package)
Parameterizable special module (PSM) control unit (N26/16) With code ED5 (Parameterizable special module) With code JO3 (OLU Connect Unit) With code ZK0 (EASY UP pop-up roof, electric) With code ZK0 (electrohydraulic pop-up roof) With code ZK7 (MARCO POLO equipment line)
Driver seat adjustment control unit with memory (N32/5) With CODE SF1 (Electrically adjustable driver seat)
Front passenger seat adjustment control unit with memory (N32/6) With code SF2 (Electrically adjustable front passenger seat)
Left 1st rear seat row seat heater/ventilation control unit (N32/12) With code H05 (Rear seat climate control, 1st seat row) With code U90 (Luxury seat, 1st seat row, left)
Right 1st rear seat row seat heater/ventilation control unit (N32/13) With code H05 (Rear seat climate control, 1st seat row) With code U91 (Luxury seat, 1st seat row, right)
Left 2nd rear seat row seat heater/ventilation control unit (N32/14) With code H07 (Rear seat climate control, 2nd seat row) With code U96 (Luxury seat, 2nd seat row, left)
Right 2nd rear seat row seat heater/ventilation control unit (N32/15) With code H07 (Rear seat climate control, 2nd seat row) With code U97 (Luxury seat, 2nd seat row, right)
Left front door control unit (N69/3) -
Right front door control unit (N69/4) -
Right sliding door control unit (E-LSTR) (N69/6) With code T55 (Electric operation for right sliding door)
Left sliding door control unit (E-LSTL) (N69/7) With code (T56) Electrical actuator for left sliding door
Overhead control panel control unit (OCP) (N70) -
Electronic ignition lock (EZS) control unit (N73/8) -
Panoramic sliding sunroof (PSD) control unit (N98) With code D34 (Panoramic sliding sunroof)
Rear seat monitoring control unit (N191) -