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

Model 206, 214, 223, 236, 294, 295, 296, 297 

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

Model 254 

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

except code L3E (Sport steering wheel - smooth split leather) 

except code U88 (AMG steering wheel buttons (AMG DRIVE UNIT)) 

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 (N135).		AR82.90-P-0100S
2	Unclip multifunction steering wheel button group 1 (S163/1) or multifunction steering wheel button group 2 (S163/2).	Long wedge	Fig 1
3	Release and disconnect electrical connector, and multifunction steering wheel button group 1 (S163/1) or multifunction steering wheel button group 2 (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 multifunction steering wheel button group 1 (S163/1) and multifunction steering wheel button group 2 (S163/2) in sets only.
4	Install in the reverse order.

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

Courtesy of MERCEDES-BENZ USA