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Home >> Mercedes Benz >> 2021 >> GLA250 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body -- 247 Chassis (1 Of 3) >> Basic Knowledge >> Comfort Illumination, Basic Function - GF82.10-P-1025A

Comfort Illumination, Basic Function - GF82.10-P-1025A

Model All (4xWD) 

Model All (CAR) 

Overview 

This document contains information on:

General 

The comfort illumination lights up the area surrounding the vehicle to enable the vehicle to be safely left and located in the darkness. The surround lighting is operated using the multimedia system.

Function requirements 

Function 

The following light functions are activated for comfort illumination:

Exit vehicle 

After the driver switches off the engine (change from circuit 15 ON to circuit 15R ON), the surround lighting is activated for the configured period.

Opening a vehicle door or the trunk lid or the liftgate starts the function again. This also applies if all the vehicle doors are closed again.

Surround lighting is switched off by switching on circuit 15.

Locate vehicle 

When the vehicle is unlocked the surround lighting is activated for the duration of approx. 40 s (time for automatic relocking).

Various interior lights are also switched on.

If the vehicle is started within a period of 40 s, a switch is made from surround lighting to automatic driving lights.

Presentation lighting, rear lamps, model 167.9 

The light sources in the rear lamps are switched on and off with a delay when the surround lighting is activated. This creates an impression of a curtain being opened when the vehicle is located or closed when the vehicle is exited.

  Function schematics     
  Function schematic, illuminate vehicle surroundings Model 118, 177, 243, 247 PE82.10-P-2515-97A
    Model 167, 293 PE82.10-P-2515-97B
    Model 213, 238, 257, 290 as of model year 2021 PE82.10-P-2515-97D
    Model 192, 206, 214, 223, 232, 236, 254, 294, 295, 296, 297 PE82.10-P-2515-97E
  Further basic functions     
  Actuate standing lights and parking lights, basic function   GF82.10-P-1000A 
  Interior lighting, basic function   GF82.20-P-9900A 
  Basic function of signal acquisition and actuation module Model 118, 177, 243, 247 GF54.21-P-9895A
  Basic function of signal acquisition and actuation module at front Model 167, 192, 206, 214, 223, 232, 236, 254, 293, 294, 295, 296, 297 Model 213, 238, 257, 290 as of model year 2021 GF54.21-P-9896A
  Basic function of signal acquisition and actuation module at rear Model 167, 192, 206, 214, 223, 232, 236, 254, 293, 294, 295, 296, 297 Model 213, 238, 257, 290 as of model year 2021 GF54.21-P-9897A
  Headlamp control unit, basic function Model all (CAR) GF82.10-P-9890A 
  Rain and light sensor, basic function Model all (CAR) GF54.21-P-2005A
  Front lamp unit, basic function   GF82.10-P-2000A
  Rear lamp unit, basic function   GF82.10-P-2004A
  Exterior lights switch, basic function   GF82.10-P-2022A