Remove/Install Button Groups On Multifunction Steering Wheel - AR82.90-P-0014FR

Model 118, 167, 177, 213, 238, 243, 247, 257 

with code L5C (Supersport steering wheel-leather deep-embossed) 

Courtesy of MERCEDES-BENZ USA

Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Remove steering wheel electronics.		AR82.90-P-0100FRD
2	Unclip instrument cluster multifunction steering wheel button group (S163/1) or head unit multifunction steering wheel button group (S163/2).	Long wedge	Fig 1
3	Release and disconnect electrical connector and remove instrument cluster multifunction steering wheel button group (S163/1) or head unit multifunction steering wheel button group (S163/2).	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. Ensure correct engagement of electrical connector. Ensure that routing of lines is correct. Replace instrument cluster multifunction steering wheel button group (S163/1) and head unit multifunction steering wheel button group (S163/2) as a set only.
4	Install in the reverse order.

Fig 1: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA