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Home >> Mercedes Benz >> 2002 >> C240 Standard >> Repair and Diagnosis >> Steering >> Power Steering >> Steering -- Testing & Repair -- 203 Chassis >> Testing & Repair >> Remove/install steering wheel - AR46.10-P-0100P

Remove/install steering wheel - AR46.10-P-0100P

MODEL 203, 209, 463.243 /244 /245 /246 /247 /248 /249 /250 /254 /270 /271 /303 /309 /322 /323 /332 /333 /340 /341 

Shown on model 203.7 up to 23.4.04 

Fig 1: Identifying Steering Wheel And Countersunk Screw - Shown On Model 203.7 Up To 23.4.04
G04737101
Fig 2: Locating Steering Wheel And Fanfare Horns And Airbag Clock Spring Contact
G04737102

Shown on model 463 as of 1.7.02 

Fig 3: Identifying Electrical Connection Of Steering Wheel Heater, Steering And Coutersunk Screw - Shown On Model 463 As Of 1.7.02
G04737103
MODIFICATION NOTES

16.5.06 "Disconnect/connect battery ground line" removed Model 203, 209  
REMOVINGINSTALLING Remove/install    
DANGER Risk of injury  caused by performing testing or repair work on airbag or emergency tensioning retractor units. Store airbag units with deployment side facing up; do not expose to temperatures greater than 100 °C. When working on these units, disconnect the power supply. AS91.00-Z-0001-01A
DANGER Risk of explosion  caused by oxyhydrogen gas. Risk of poisoning and caustic burns caused by swallowing battery acid. Risk of injury caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers. AS54.10-Z-0001-01A
NOTES Notes on battery All models AH54.10-P-0001-01A
1 Fully extend steering wheel (32) IMPORTANT Only with electrically adjustable jacket tube.  
2 Move steering wheel (32) to horizontal position IMPORTANT The front wheels must be in the straight-ahead position.  
3 Remove electronic ignition key IMPORTANT The electronic steering lock (ELV) engages.  
4 Activate Service mode in Tele-Aid emergency call system IMPORTANT Only on model 463.243/244/245/246/247/ 248/249/250/254/270/271/303/309/322/ 323/332/333/340/341 with code ET2 TeleAid car phone emergency call system AR82.95-P-0005-03GR
IMPORTANT Notes regarding the Tele-Aid emergency call system Model 463.243/244/245/246/247/248/249/ 250/254/270/271/303/309/322/323/332/ 333/340/341 with code ET2 TeleAid car phone emergency call system AH82.95-P-0001-01GA
5 Disconnect battery ground cable Model 463.243/244/245/246/247/249/250/ 254/270/271/303/309/322/323/332/333/ 340/341
Model 463.248 except code 979 Special protection version
AR54.10-P-0003G
    Model 463.248 with code 979 Special protection version, with code ZS6 Special protection version FB6, with code E26 Additional battery 100 Ah incl. cutoff relay Model 463.248 with code 979 Special protection version, with code ZS7 Special protection version FB7, with code E26 Additional battery 100 Ah incl. cutoff relay AR54.10-P-0003PM
6 Remove airbag unit from steering wheel (32) Model 203, 463 AR91.60-P-0660P
    Model 209 AR91.60-P-0660Q
7 Unplug steering wheel heater connector (1) IMPORTANT Only model 463.243/244/245/247/248/ 249/250/254/303/309/322/323/332/333/ 340/341 as of 1.7.02 with code VL0 Heated multifunction steering wheel  
8 Unscrew countersunk screw (32c), steadying steering wheel (32). IMPORTANTInstallation:  Replace countersunk bolt (32c).  
    TORQUE SPECIFICATION *BA46.10-P-1001-02A 
9 Pull off steering wheel (32), passing the electrical cables to the airbag unit through the opening in the steering wheel (32) IMPORTANTInstallation:  Align the recesses of the serrations (arrows) on the steering wheel (32) with the markings on the steering shaft.  
INSPECT Checking     
10 Check fanfare horns and airbag clock spring contact (A45) for damage Only on model 203 up to 30.6.02,
Model 203 as of 1.7.02 up to 23.4.04,
Model 209 up to 31.5.04,
Model 203 as of 24.4.04,
Model 209 as of 1.6.04,
Model 463.243/244/245/246/247/248/
249/250/254/309/322/323/332/ 333 up to 31.5.04
IMPORTANT If damaged, replace fanfare horns and airbag clock spring contact (A45):

Model 203 up to 30.6.02
 
    Remove/install clock spring contact
Model 203 as of 1.7.02 up to 23.4.04
Model 209 up to 31.5.04
AR46.10-P-0200P 
    Remove/install clock spring contact
Model 203 as of 24.4.04
Model 209 as of 1.6.04
AR46.10-P-0200Q 
    Remove/install clock spring contact
Model 463.243/244/245/246/247/248/249/
250/254/309/322/323/332/333 up to 31.5.04
AR46.10-P-0200PQ 
    Remove/install clock spring contact AR46.10-P-0200GS
11 Install in the reverse order    
12 Activating steering angle sensor IMPORTANT Only for Model 203
Model 209 up to 31.5.04
Model 463.243/246/249/322/323 up to 30.5.04
Model 463.244/245/247/248/250/254/309/332/333 as of 30.9.01 up to 30.5.04
AR46.10-P-0300-01I 
13 Read out fault memory and erase IMPORTANT Stored faults which may be caused by assembly work, test work, removed lines or a simulation, must be processed and erased in the fault memories after completing the work.  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04A
14 Conduct a road test IMPORTANT If the steering wheel (32) is at a slant, adjust it by max. one tooth. If the steering wheel (32) is displaced by more than one tooth, satisfactory resetting of the turn signals is no longer guaranteed.
IMPORTANT The airbag indicator lamp must not light up when the steering is turned to full lock in both directions.
 
TORQUE SPECIFICATION STEERING WHEEL

Number Designation Model 203 Model 209 Model 463
BA46.10-P-1001-02A Bolts, steering wheel to steering shaft Nm 80 80 80