Remove/Install Head Unit - AR82.85-P-1101MFA

Model 118, 177, 243, 247 

Fig 1: Head Unit Components Location - Model 247 (Shown On Model 177.0)

Courtesy of MERCEDES-BENZ USA

Shown on model 177.0 

	Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.	No parts of the body or limbs should be within the operating area when the components are moving.	AS00.00-Z-0011-01A
Topical note	Notes on avoiding damage to optical fibers during repair work		AH82.60-P-0001-05AK
Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).
2	Remove trim at bottom for instrument panel on driver's side.		AR68.10-P-1501MFA
3	Remove cover (1) at side from instrument panel support.	Long wedge	Fig 2
4	Release and disconnect optical connectors from head unit (A26/17).	The number of optical connectors varies depending on the vehicle equipment involved.
5	Release and disconnect electrical connectors from head unit (A26/17).	The number of electrical connectors varies according to vehicle equipment.
6	Unclip electrical wiring harness from head unit (A26/17).
7	Remove screw/bolts (2).
8	Take head unit (A26/17) out of holder (3) in direction of arrow and remove head unit (A26/17).
9	Install in the reverse order.
	Initial startup
10	Perform commissioning of head unit (A26/17).	If the head unit (A26/17) was replaced.
			AD00.00-P-2000-06MFA
11	Calibrate augmented reality camera.	Model 118, 177, 243, 247 with code 21U (Video recording function (Dashcam)) Model 118, 177, 243, 247 with code U19 (Augmented reality video) If the head unit (A26/17) was replaced.
			AD00.00-P-2000-06MFA
	000 588 11 21 00 Adjustment device		WS82.00-P-0151B
	000 588 00 23 00 Adjusting gauge		WS82.00-P-0028B

Fig 2: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA