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Home >> Mercedes Benz >> 2008 >> E550 Base >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Electrical System -- Testing & Repair -- E550 (211.072) >> Testing & Repair >> Remove/install fiber optic cable for the Media Oriented System Transport (MOST) - AR82.60-P-0001TA

Remove/install fiber optic cable for the Media Oriented System Transport (MOST) - AR82.60-P-0001TA

MODEL 211.0 /2 up to 1.6.08 except CODE (809) Model year 2009 with CODE (819) CD changer between radio/COMAND and CD changer 

Shown on model 211.0 with code 527 COMAND APS (with navigation) 

Fig 1: Identifying Fiber Optic Cable Module, CD Changer & COMAND Operating, Display And Controller Unit
G07502812Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Ring sequence of the fiber optic cable for the Media Oriented System Transport (MOST), shown for maximum equipment 

Fig 2: View Of Ring Sequence Of Fiber Optic Cable For Media Oriented System Transport
G07502813Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVINGINSTALLING Remove/install     
IMPORTANT Notes on removal/installation of the fiber optic cable for the Media Oriented System Transport (MOST)   AH82.60-P-0001-06T
1.1 Remove radio (A2) or radio control panel and navigation unit (A2/56) Vehicles with code (523) MB Audio 20 radio or with code (521) MB Audio 50 radio USA (without navigation)
or code (525) MB Audio 50 APS radio
AR82.60-P-7502T 
1.2 Remove the COMAND operating, display and controller unit (A40/3) Vehicles with code (526) COMAND (without navigation) or code (527) COMAND APS (with navigation). AR82.85-P-1000T 
2 Remove CD changer (A2/6) IMPORTANT Do not remove CD changer (A2/6) from holder. AR82.64-P-7508T 
3 Remove fiber optic cable module for Media Oriented System Transport (MOST)   AR82.60-P-0001-01TA 
NOTES Notes on avoiding damage to fiber optic cables during repair work   AH82.60-P-0001-05AK
4 Install in the reverse order    
5 Connect STAR DIAGNOSIS, read out fault memory and erase if necessary IMPORTANT Reconfigure MOST ring and perform "Restart of optical ring".  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04A
6 Carry out start-up and function test