LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2020 >> SLC43 AMG Base >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Electrical System - Body - 172 Chassis - 1 Of 5 >> Basic Knowledge >> LED Matrix Control Unit, Basic Function - GF82.10-P-9891A

LED Matrix Control Unit, Basic Function - GF82.10-P-9891A

Model 167, 223, 293 

with code 640 (SAE dynamic LED headlamps, right-hand traffic) 

with code 641 (Dynamic LED headlamps, left-hand traffic) 

Model 167, 223, 293 

with code 642 (Dynamic LED headlamps, right-hand traffic) 

Model 213, 238, 257, 290 as of model year 2021 

with code 640 (SAE dynamic LED headlamps, right-hand traffic) 

with code 641 (Dynamic LED headlamps, left-hand traffic) 

with code 642 (Dynamic LED headlamps, right-hand traffic) 

Model all (CAR) 

with code 316 (Digital LED headlamps, SAE right-hand traffic) 

with code 317 (Digital LED headlamps, left-hand traffic) 

with code 318 (Digital LED headlamps, right-hand traffic) 

Fig 1: Front LED Matrix Lamp Unit Control Unit - Model All (CAR) With Codes 316, 317, 318
G13747460Courtesy of MERCEDES-BENZ USA

Location 

The LED matrix control units are located on the outer side of the respective front lamp unit.

IMPORTANT The LED matrix control units are bolted onto the housing of the respective front lamp unit The LED matrix control units are connected to the vehicle-side wiring harness via the front lamp units.

Task 

The LED headlamps are equipped with "multibeam technology" The light sources for implementing the high beam function are each equipped with several LEDs that can be actuated independently of one other Depending on which LEDs are actuated the shape and depending on the version of the LED headlamps the intensity of the light cone can be influenced.

The LED matrix control units are connected to the vehicle's network architecture.

The LED matrix control units actuate the following functions: