Remove/Install Multimedia Connection Unit In Rear Stowage Compartment - AR82.60-P-1033FRX

Model 257 

as of model year 2021 

with code 897 (Front wireless telephone charging) 

Model 257 

as of model year 2021 

with code 899 (Front wireless telephone charging and antenna) 

Model 290 

with code 506 (Audio 20 NTG 5.5 radio) 

with code 897 (Front wireless telephone charging) 

Model 290 

with code 506 (Audio 20 NTG 5.5 radio) 

with code 899 (Multifunction telephony) 

Model 290 

with code 531 (COMAND APS) 

with code 897 (Front wireless telephone charging) 

Model 290 

with code 531 (COMAND APS) 

with code 899 (Multifunction telephony) 

Shown on model 290 

Courtesy of MERCEDES-BENZ USA

Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove
1	Loosen center console cover (1) and lift at rear until electrical connector (2) is accessible.	Model 257 as of model year 2021 with code 897 (Front wireless telephone charging) Model 257 as of model year 2021 with code 899 (Front wireless telephone charging and antenna)	AR68.20-P-2350FR
		Model 290 with code 506 (Audio 20 NTG 5.5 radio) with code 897 (Front wireless telephone charging) Model 290 with code 506 (Audio 20 NTG 5.5 radio) with code 899 (Multifunction telephony) Model 290 with code 531 (COMAND APS) with code 897 (Front wireless telephone charging) Model 290 with code 531 (COMAND APS) with code 899 (Multifunction telephony) 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.	AR68.20-P-2350FRX
2	Release and disconnect electrical connectors (2).	The number of electrical connectors (2) varies depending on the vehicle equipment.
3	Insert removal fixtures (3) into multimedia connection unit (A90/5) and remove multimedia connection unit (A90/5) from center console.	Removal assembly	Fig 1
4	Operate locks (arrows) and pull out removal fixtures (3).	Removal assembly	Fig 1
	Install
5	Install multimedia connection unit (A90/5) in center console.
6	Connect electrical connectors (2).	The number of electrical connectors (2) varies depending on the vehicle equipment.
7	Install center console cover (1).	Model 257 as of model year 2021 with code 897 (Front wireless telephone charging) Model 257 as of model year 2021 with code 899 (Front wireless telephone charging and antenna)	AR68.20-P-2350FR
		Model 290 with code 506 (Audio 20 NTG 5.5 radio) with code 897 (Front wireless telephone charging) Model 290 with code 506 (Audio 20 NTG 5.5 radio) with code 899 (Multifunction telephony) Model 290 with code 531 (COMAND APS) with code 897 (Front wireless telephone charging) Model 290 with code 531 (COMAND APS) with code 899 (Multifunction telephony)	AR68.20-P-2350FRX