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Remove/Install Steering Wheel Electronics - AR82.90-P-0100FRD

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

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

G16064961Courtesy of MERCEDES-BENZ USA
G16064962Courtesy of MERCEDES-BENZ USA
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVING Remove     
1 Remove driver's airbag from steering wheel. Model 167 with code L5C (Supersport steering wheel-leather deep-embossed) AR91.60-P-0661ME
    Model 213, 238 with code L5C (Supersport steering wheel-leather deep-embossed) AR91.60-P-0660LW
    Model 257 with code L5C (Supersport steering wheel-leather deep-embossed) AR91.60-P-0660FR
    Model 118, 243 as of model year 2023 with code L5C (Supersport steering wheel-leather deep-embossed)
Model 177, 247 as of model year 2022 with code L5C (Supersport steering wheel-leather deep-embossed)		 AR91.60-P-0663MFD
2 Remove bolts (1).    
3 Remove mounting plate (2), and release and disconnect electrical connector (3).    
4 Remove washers of screws (1). If washers are installed.  
5 Release and disconnect electrical connector at steering column tube module control unit (N80).    
6 Remove screws (4) and unclip cover (5).    
7 Unscrew screws (6) and remove lower cover (7).    
8 Unscrew screws (8), release and disconnect electrical connectors of steering wheel electronics (N135), and remove steering wheel electronics (N135). NOTES
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.
IMPORTANT If lower washers are installed, observe installation position of lower washers.		  
9 Unclip hand detection system control unit (N179) from steering wheel electronics (N135), release and disconnect electrical connectors. Model 118, 167, 177, 213, 238, 243, 247, 257 with code 266 (DISTRONIC PLUS with Cross-Traffic Assist (DTR+Q)) with code L5C (Supersport steering wheel-leather deep-embossed)
NOTES
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.		  
INSTALLING Install     
10 Connect and lock electrical connectors, and install hand detection system control unit (N179) in steering wheel electronics (N135). Model 118, 167, 177, 213, 238, 243, 247, 257 with code 266 (DISTRONIC PLUS with Cross-Traffic Assist (DTR+Q)) with code L5C (Supersport steering wheel-leather deep-embossed)
NOTES
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.
IMPORTANT Ensure that the electrical connectors are engaged correctly.		  
11 Connect and lock electrical connectors of steering wheel electronics (N135), install steering wheel electronics (N135), and screw in screws (8). NOTES
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.
IMPORTANT Ensure that the electrical connectors are engaged correctly.
IMPORTANT Ensure that routing of lines is correct.
IMPORTANT If lower washers are installed, observe installation position of lower washers.
TORQUE SPECIFICATION Model 167 with code L5C (Supersport steering wheel-leather deep-embossed)
Screw, front cover to steering wheel		 *BA46.10-P-1004-02G 
    TORQUE SPECIFICATION Model 213, 238, 257 with code L5C (Supersport steering wheel-leather deep-embossed)
Screw, front cover to steering wheel		 *BA46.10-P-1004-02J 
    TORQUE SPECIFICATION Model 118, 177, 243, 247 with code L5C (Supersport steering wheel-leather deep-embossed)
Bolt, front cover to steering wheel		 *BA46.10-P-1003-02F 
12 Install lower cover (7) and screw in screws (6). TORQUE SPECIFICATION Model 167 with code L5C (Supersport steering wheel-leather deep-embossed)
Screw, front cover to steering wheel		 *BA46.10-P-1004-02G 
    TORQUE SPECIFICATION Model 118, 177, 243, 247 with code L5C (Supersport steering wheel-leather deep-embossed)
Bolt, front cover to steering wheel		 *BA46.10-P-1003-02F 
    TORQUE SPECIFICATION Model 213, 238, 257 with code L5C (Supersport steering wheel-leather deep-embossed)
Screw, front cover to steering wheel		 *BA46.10-P-1004-02J 
13 Install cover (5) and screw in screws (4). TORQUE SPECIFICATION Model 167 with code L5C (Supersport steering wheel-leather deep-embossed)
Screw, front cover to steering wheel		 *BA46.10-P-1004-02G 
    TORQUE SPECIFICATION Model 118, 177, 243, 247 with code L5C (Supersport steering wheel-leather deep-embossed)
Bolt, front cover to steering wheel		 *BA46.10-P-1003-02F 
    TORQUE SPECIFICATION Model 213, 238, 257 with code L5C (Supersport steering wheel-leather deep-embossed)
Screw, front cover to steering wheel		 *BA46.10-P-1004-02J 
14 Connect and lock electrical connectors from steering column tube module control unit (N80). IMPORTANT Ensure correct engagement of electrical connector.  
15 Check line routing of electrical wiring harness in steering wheel. Model 118, 177, 247 with code L5C (Supersport steering wheel-leather deep-embossed) except code U88 (AMG steering wheel buttons (AMG DRIVE UNIT))
Model 167, 213, 238, 243, 257 with code L5C (Supersport steering wheel-leather deep-embossed)		 AR82.90-P-0101-01FRD 
16 Install washers of screws (1). If washers are installed.  
17 Install mounting plate (2), connect electrical connector (3). IMPORTANT Make sure that the electrical connector (3) engages correctly.  
18 Screw in screws/bolts (1). TORQUE SPECIFICATION Model 167 with code L5C (Supersport steering wheel-leather deep-embossed)
Screw, mounting plate/contact plate to steering wheel		 *BA46.10-P-1003-02G 
    TORQUE SPECIFICATION Model 118, 177, 243, 247 with code L5C (Supersport steering wheel-leather deep-embossed)
Screw, mounting plate/contact plate to steering wheel		 *BA46.10-P-1002-02F 
    TORQUE SPECIFICATION Model 213, 238, 257 with code L5C (Supersport steering wheel-leather deep-embossed)
Screw, mounting plate/contact plate to steering wheel		 *BA46.10-P-1002-02J 
19 Install driver's airbag at steering wheel. Model 118, 243 as of model year 2023 with code L5C (Supersport steering wheel-leather deep-embossed)
Model 177, 247 as of model year 2022 with code L5C (Supersport steering wheel-leather deep-embossed)		 AR91.60-P-0663MFD
    Model 213, 238 with code L5C (Supersport steering wheel-leather deep-embossed) AR91.60-P-0660LW
    Model 257 with code L5C (Supersport steering wheel-leather deep-embossed) AR91.60-P-0660FR
    Model 167 with code L5C (Supersport steering wheel-leather deep-embossed) AR91.60-P-0661ME
20 Connect vehicle diagnosis system and perform commissioning. When replacing steering wheel electronics (N135).  
DIAGNOSTIC SYSTEMS   Model 167 with code L5C (Supersport steering wheel-leather deep-embossed) AD00.00-P-2000-06ME
DIAGNOSTIC SYSTEMS   Model 118, 177, 243, 247 with code L5C (Supersport steering wheel-leather deep-embossed) AD00.00-P-2000-06MFA
DIAGNOSTIC SYSTEMS   Model 238 with code L5C (Supersport steering wheel-leather deep-embossed) AD00.00-P-2000-06LWO
DIAGNOSTIC SYSTEMS   Model 213 with code L5C (Supersport steering wheel-leather deep-embossed) AD00.00-P-2000-04B
DIAGNOSTIC SYSTEMS   Model 257 with code L5C (Supersport steering wheel-leather deep-embossed) AD00.00-P-2000-06FR
21 Perform function test of steering wheel buttons.    
STEERING WHEEL

Number Designation Model 117, 118 Model 177
BA46.10-P-1002-02F Screw, mounting plate/contact plate to steering wheel Nm 7 6
STEERING WHEEL

Number Designation Model 243 Model 247
BA46.10-P-1002-02F Screw, mounting plate/contact plate to steering wheel Nm 6 6
STEERING WHEEL

Number Designation Model 213 Model 238
BA46.10-P-1002-02J Screw, mounting plate/contact plate to steering wheel Nm 8 8
STEERING WHEEL

Number Designation Model 257
BA46.10-P-1002-02J Screw, mounting plate/contact plate to steering wheel Nm 8
STEERING WHEEL

Number Designation Model 117, 118 Model 177
BA46.10-P-1003-02F Bolt, front cover to steering wheel Nm 3 3
STEERING WHEEL

Number Designation Model 243 Model 247
BA46.10-P-1003-02F Bolt, front cover to steering wheel Nm 3 3
STEERING WHEEL

Number Designation Model 167
BA46.10-P-1003-02G Screw, mounting plate/contact plate to steering wheel Nm 7
STEERING WHEEL

Number Designation Model 167
BA46.10-P-1004-02G Screw, front cover to steering wheel Nm 3
STEERING WHEEL

Number Designation Model 213 Model 238
BA46.10-P-1004-02J Screw, front cover to steering wheel Nm 3 3
STEERING WHEEL

Number Designation Model 257
BA46.10-P-1004-02J Screw, front cover to steering wheel Nm 3
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