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Home >> Mercedes Benz >> 2019 >> A220 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Electrical System, Equipment & Instruments (2 Of 3) -- 118 Chassis) >> Testing & Repair >> Remove/Install Mercedes-Benz Intelligent Drive Control Unit - AR54.21-P-0044MFA

Remove/Install Mercedes-Benz Intelligent Drive Control Unit - AR54.21-P-0044MFA

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Model 118, 177, 247 

with code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) 

Fig 1: Mercedes-Benz Intelligent Drive Control Unit Components Location - Model 118 With Code 233 (Shown On Model 177)
G16050525Courtesy of MERCEDES-BENZ USA

Shown on model 177.0 with code 233 (Autonomous Intelligent Cruise Control Plus (DISTRONIC PLUS)) 

Topical note  Notes on preventing damage to electronic components due to a magnetic tool   AH54.00-P-0002-01A
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
2 Remove right front seat.   AR91.10-P-1000MFA
3 Remove right B-pillar trim.   AR68.30-P-4705MFA
4 Remove floor covering (1) far enough until holder (4) is accessible.    
5 Remove nuts (3).    
6 Unhook holder (4) from stop plug (5).    
7 Release and disconnect electrical connector. NOTES Do not crush or kink or subject electric lines to tension.
This will result in damage to the electric lines and can impair their function.
 
8 Remove bolts_(7). If the Mercedes-Benz Intelligent Drive control unit (N62/4) is replaced.  
9 Remove Mercedes-Benz Intelligent Drive control unit (N62/4) from holder (4). If the Mercedes-Benz Intelligent Drive control unit (N62/4) is replaced.  
10 Install in the reverse order.    
11 Commission Mercedes-Benz Intelligent Drive control unit (N62/4). If the Mercedes-Benz Intelligent Drive control unit (N62/4) is replaced.  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06MFA