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Home >> Mercedes Benz >> 2012 >> GL350 >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Electrical System - Body - 164 Chassis - 5 Of 8 >> Testing & Repair >> Remove/install vehicle interface (portable CTEL) - AR82.70-P-8920GZ

Remove/install vehicle interface (portable CTEL) - AR82.70-P-8920GZ

MODEL 164 with CODE (388) Telephone "Handy", UPCI system 

Fig 1: Identifying Vehicle Interface (Portable CTEL) Remove/Install Components - Shown On Model 164.1
G10118427Courtesy of MERCEDES-BENZ USA

Shown on model 164.1 

MODIFICATION NOTES

26.7.06 Disconnect/connect ground line for battery and carry out basic programming removed Steps 2 and 9  
REMOVINGINSTALLING Remove/install     
NOTES Notes on avoiding damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
1 Buffer basic data of Universal Portable CTEL Interface (UPCI [UHI]) control unit (N123/1) in STAR DIAGNOSIS diagnosis system IMPORTANT Only when replacing Universal Portable CTEL Interface (UPCI [UHI]) control unit (N123/1).
INSTALLATION IMPORTANT Transfer buffered basic data to new Universal Portable CTEL Interface (UPCI [UHI]) control unit (N123/1).
 
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04A
STAR DIAGNOSIS diagnosis system *WH58.30-Z-1048-13A 
2 Release rear seat (1) and fold forward    
3 Raise cover (2)    
4 Disconnect and cover fiber optic cable coupling (3)    
NOTES Notes on avoiding damage to fiber optic cables during repair work Model 164, 169.0/3, 211.0/2/6, 221.0/1 245.2, 251 with Media Oriented System Transport (MOST) AH82.60-P-0001-05AK
5 Disconnect electrical connector (4)    
6 Remove four nuts (arrows) and remove Universal Portable CTEL Interface (UPCI [UHI]) control unit (N123/1)    
7 Install in the reverse order    
COMMERCIALLY AVAILABLE TOOLS

Number Designation
WH58.30-Z-1048-13A STAR DIAGNOSIS diagnosis system, Compact Passenger Car 6511 1801 00