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Remove/Install Supplemental Restraint Systems Control Unit - AR91.60-P-0624ME

Model 167 

MODIFICATION NOTES

03.03.2020 Method modified. Operation step 1.  
G14786447Courtesy of MERCEDES-BENZ USA
Fig 1: Supplemental Restraint Systems Control Unit Components Location - Model 167
G14786448WARNINGREMOVINGINSTALLINGIMPORTANTSPECIAL TOOLINSTALLATION IMPORTANTNOTESTORQUE SPECIFICATIONTORQUE SPECIFICATIONREFER TO SELF-DIAGNOSTIC SYSTEMSREFER TO SELF-DIAGNOSTIC SYSTEMSCourtesy of MERCEDES-BENZ USA
WARNING Risk of injury  during testing and repair operations related to pyrotechnical components Do not expose pyrotechnical component parts to temperatures above 100°C or 212°F. Disconnect current supply when working on such component parts. AS91.00-Z-0008-01A 
Notice  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
  Notes on safety-relevant components   AH00.00-Z-0019-01A
  Information, assessment and legal requirements when working with, handling and storing pyrotechnical components   AH91.00-Z-0000-10A 
REMOVINGINSTALLING Remove/install     
1 Clamp off ground line of on-board electrical system battery (G1).   AR54.10-P-0003ME
2 Remove center console.   AR68.20-P-2000ME
3 Release and disconnect all electrical connectors (1) at component parts and air ducts (2). IMPORTANT The number of electrical connectors (1) varies depending on the vehicle equipment.  
4 Remove nuts (3).    
5 Remove screws/bolts (4).    
6 Unclip expansion rivets (5). SPECIAL TOOL Dismantling tool Fig 2
7 Remove bracket (6) together with air ducts (2).    
8 Lift respective floor covering and remove air ducts (7, 10). INSTALLATION IMPORTANT Ensure that the air ducts (7) are correctly positioned under the floor coverings.  
9 Cut insulation of transmission tunnel (8) along the marking. NOTES
Cut carefully to size.
Otherwise the components underneath this can be damaged.
 
10 Release and disconnect electrical connectors at Supplemental Restraint System control unit (N2/10).    
11 Unfasten nuts (9.1). TORQUE SPECIFICATION Nut, restraint systems control unit to vehicle floor *BA91.60-P-1001-01R 
12 Remove nut (9.2). TORQUE SPECIFICATION Nut, restraint systems control unit to vehicle floor *BA91.60-P-1001-01R 
13 Remove SRS control unit (N2/10).    
14 Install in the reverse order    
  Concluding tasks     
15 Carry out SCN coding of SRS control unit (N2/10). When replacing supplemental restraint system control unit (N2/10). AR54.21-P-0015X
16 Carry out commissioning of Supplemental Restraint System control unit (N2/10). When replacing supplemental restraint system control unit (N2/10).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06ME
17 Check fault memory with vehicle diagnosis system, delete, if necessary. When replacing supplemental restraint system control unit (N2/10).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06ME
AIRBAG

Number Designation Model 167
BA91.60-P-1001-01R Nut, restraint systems control unit to vehicle floor Nm 10
Fig 2: Identifying Dismantling Tool (000 589 95 63 00)
G13659648Courtesy of MERCEDES-BENZ USA