LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2018 >> G550 >> Repair and Diagnosis >> Accessories & Equipment >> Accessories Control Systems >> Electrical System - Body - 463 Chassis (2 Of 3) >> Testing & Repair >> Disassemble/Assemble Multifunction Steering Wheel - AR82.90-P-0010XG

Disassemble/Assemble Multifunction Steering Wheel - AR82.90-P-0010XG

Model 463 

as of model year 2019 

G13669874Courtesy of MERCEDES-BENZ USA

Shown on model 463 with code U88 (AMG steering wheel buttons (AMG DRIVE UNIT)) 

G13669875Courtesy of MERCEDES-BENZ USA
G13669876Courtesy of MERCEDES-BENZ USA

Shown on model 463 with code U88 (AMG steering wheel buttons (AMG DRIVE UNIT)) 

G13669877Courtesy of MERCEDES-BENZ USA

Shown on model 463 with code U88 (AMG steering wheel buttons (AMG DRIVE UNIT)) 

  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on safety-relevant components   AH00.00-Z-0019-01A
DISASSEMBLINGASSEMBLING Disassemble/assemble     
1.1 Remove multifunction steering wheel (1). When replacing multifunction steering wheel (1). AR46.10-P-0100XG
1.2 Remove airbag from multifunction steering wheel (1). When replacing detachable parts on multifunction steering wheel (1). AR91.60-P-0663XG
2 Disconnect plug contact (2) from horn contact plate (S4/2).    
3 Unscrew screws (3) and remove horn contact plate (S4/2) from multifunction steering wheel (1). TORQUE SPECIFICATION Screw, mounting plate/contact plate to steering wheel *BA46.10-P-1006-02A 
4 Unscrew screws (5) and unclip cover (4) from multifunction steering wheel (1). SPECIAL TOOL Long wedge Fig 1
5 Disconnect electrical connectors (6) from steering wheel electronics (N135) and remove cover (4) from multifunction steering wheel (1).    
6 Unscrew screws (9) and remove instrument cluster multifunction steering wheel button group (S163/1) and head unit multifunction steering wheel button group (S163/2) from cover (4). When replacing cover (4), instrument cluster multifunction steering wheel button group (S163/1) or head unit multifunction steering wheel button group (S163/2).  
7 Release and disconnect electrical connectors (7) from steering wheel electronics (N135).    
8 Unscrew screws (10) and remove steering wheel downshift button (S110/1) and steering wheel upshift button (S111/1) from multifunction steering wheel (1).    
9 Unscrew screws (11) and unclip cover (12) from multifunction steering wheel (1). SPECIAL TOOL Long wedge Fig 1
10 Unscrew screws (13) and remove cover (14) from multifunction steering wheel (1).    
11 Fold up locks (15) on both sides of lower multifunction steering wheel button group electric controller unit (A74/2) and remove electric lines (17) from lower multifunction steering wheel button group electric controller unit (A74/2). Model 463
as of model year 2019
with code U88 (AMG steering wheel buttons
(AMG DRIVE UNIT))
 
12 Disconnect plug contact (16) from lower multifunction steering wheel button group electric controller unit (A74/2). Model 463
as of model year 2019
with code U88 (AMG steering wheel buttons
(AMG DRIVE UNIT))
 
13 Unscrew screws (18) and remove lower multifunction steering wheel button group 1 (S163/3) and lower multifunction steering wheel button group 2 (S163/4) from multifunction steering wheel (1). Model 463
as of model year 2019
with code U88 (AMG steering wheel buttons
(AMG DRIVE UNIT))
 
14 Disconnect electrical connector (19). Only with fitted multifunction steering wheel (1)  
15 Remove steering wheel electronics (N135) from multifunction steering wheel (1).    
16 Assemble in the reverse order.    
17 Commission lower multifunction steering wheel button group electric controller unit (A74/2). Model 463
as of model year 2019
with code U88 (AMG steering wheel buttons (AMG DRIVE UNIT))
When replacing lower multifunction steering wheel button group electric controller unit (A74/2).
 
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
STEERING WHEEL

Number Designation Model 463
as of model year
2019
Model 463 up to model year 2019
BA46.10-P-1006-02A Screw, mounting plate/contact plate to steering wheel Nm 7
Fig 1: Identifying Long Wedge (115 589 03 59 00)
G13669878Courtesy of MERCEDES-BENZ USA