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Home >> Mercedes Benz >> 2021 >> CLS450 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control - 257 Chassis 1 Of 2 >> Basic Knowledge >> Climate Control Control Unit, Basic Function - GF83.40-P-9890A

Climate Control Control Unit, Basic Function - GF83.40-P-9890A

Model 167, 293 

Model 213, 238, 257, 290 

as of model year 2021 

Overview 

This document contains information on:

General 

The climate control control unit regulates the temperature and the air distribution in the vehicle interior depending on the settings made and the variables recorded by the various sensors. The tasks of the climate control control unit include:

G14550321Courtesy of MERCEDES-BENZ USA

Location 

The climate control control unit (1) is located behind the glove compartment in the instrument panel.

Function requirement