| Remove/install
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Warning
| 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 from explosive gas. Risk of poisoning and caustic burns from swallowing battery electrolyte. Risk of injury through burns to skin and eyes from battery acid or when handling damaged lead-acid batteries
| No fires, 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
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Topical note
| Notes on battery
|
| AH54.10-P-0001-01A
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1
| Fully extend steering wheel (32)
| Only for electrically adjustable steering column tube.
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2
| Move steering wheel (32) to horizontal position
| The front wheels must be in the straight-ahead position.
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3
| Remove electronic ignition key
| The electric steering lock (ELV) locks.
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4
| Activate service mode in Telematic Alarm Identification on Demand (emergency call system) (TELE AID)
|
Model 463.243/244/245/250/309/322/323/332/333
as of model year 2000 up to model year 2013
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
Model 463.247/248/254/270 up to 4/1/07
as of model year 2000 up to model year 2007
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
| AR82.95-P-0005-03GR
|
|
| Information on Tele Aid emergency call system
| Model 463.243/244/245/250/309/322/323/332/333
as of model year 2000 up to model year 2013
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
Model 463.247/248/254/270 up to 4/1/07
as of model year 2000 up to model year 2007
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
| AH82.95-P-0001-01GA
|
5
| Disconnect battery ground line
|
Model 463.202/237/346
as of model year 2008 up to model year 2013
Model 463.222/243/244/245/246/247/249/250/254/270/271/303/306/309/322/323/332/333/336/340/341
as of model year 2000 up to model year 2013
Model 463.236
as of model year 2008 up to model year 2013
except code 979 (Special protection MB Guard)
Model 463.248
as of model year 2000 up to model year 2008
except code 979 (Special protection MB Guard)
| AR54.10-P-0003G
|
|
|
| Model 463.236
as of model year 2008 up to model year 2013
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ZS6 (Special protection version FB6)
Model 463.236
as of model year 2008 up to model year 2013
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ZS7 (Special protection version FB7)
Model 463.248
as of model year 2000 up to model year 2013
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ZS6 (Special protection version FB6)
Model 463.248
as of model year 2000 up to model year 2013
with code 979 (Special protection MB Guard)
with code E26 (Auxiliary battery)
with code ZS7 (Special protection version FB7)
| AR54.10-P-0003PM
|
6
| Remove airbag unit from steering wheel (32)
|
Model 203
Model 463.202/236/237/346
as of model year 2008 up to model year 2013
Model 463.222/243/244/245/246/247/248/249/250/254/270/271/303/306/309/322/323/332/333/336/340/341
as of model year 2001 up to model year 2013
| AR91.60-P-0660P
|
|
|
| Model 209
| AR91.60-P-0660Q
|
7
| Detach steering wheel heater electrical connection (1)
| Model 463.202/236/237/346
as of model year 2008 up to model year 2013
Model 463.222/243/244/245/246/247/248/249/250/254/270/271/303/306/309/322/323/332/333/336/340/341
as of model year 2000 up to model year 2013
|
|
8
| Remove countersunk bolt (32c), counterhold steering wheel (32) while doing so
| Installation: Replace countersunk bolt (32c).
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|
| Bolt, steering wheel to steering shaft
| *BA46.10-P-1001-02A
|
9
| Detach steering wheel (32), while doing so route electric lines to airbag unit through opening in steering wheel (32)
| Installation: Align recesses of splines (arrow) on steering wheel (32) with markings on the steering shaft.
|
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| Check
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|
10
| Check fanfare horns and airbag clock spring contact (A45) for damage, replace, if necessary
|
Model 203 up to 6/30/02
| AR46.10-P-0200P
|
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|
| Model 203 as of 7/1/02 up to 4/23/04
Model 209 up to 5/31/04
| AR46.10-P-0200Q
|
|
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| Model 203 as of 4/24/04, 209 as of 6/1/04
| AR46.10-P-0200PQ
|
|
|
| Model 463.243/244/245/246/247/248/249/250/254/309/322/323/332/333 up to 5/31/04
as of model year 2000 up to model year 2013
| AR46.10-P-0200GS
|
|
|
| Model 463.222/270/271/303/306/336/340/341
as of model year 2000 up to model year 2013
Model 463.243/244/245/246/247/248/249/250/254/309/322/323/332/333 as of 6/1/04
as of model year 2004 up to model year 2013
| AR46.10-P-0200GX
|
11
| Install in the reverse order
|
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|
12
| Activate steering angle sensor (N49)
|
Model 203
Model 209 up to 5/31/04
Model 463.243/246/249/322/323 up to 5/30/04, 463.244/245/247/248/250/254/309/332/333 as of 9/30/01 up to 5/30/04
as of model year 2000 up to model year 2013
| AR46.10-P-0300-01I
|
13
| Deactivate service mode in Telematic Alarm Identification on Demand
|
Model 463.243/244/245/250/309/322/323/332/333
as of model year 2000 up to model year 2013
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
Model 463.247/248/254/270 up to 4/1/07
as of model year 2000 up to model year 2007
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
| AR82.95-P-0005-03GR
|
|
| Information on Tele Aid emergency call system
| Model 463.243/244/245/250/309/322/323/332/333
as of model year 2000 up to model year 2013
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
Model 463.247/248/254/270 up to 4/1/07
as of model year 2000 up to model year 2007
with code ET2 (MB phone with integr. Tele Aid emergency call sys.)
| AH82.95-P-0001-01GA
|
14
| Connect STAR DIAGNOSIS, read out fault memory and erase if necessary
|
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| AD00.00-P-2000-04A
|
15
| Conduct a road test
| If the steering wheel (32) is at a slant, adjust it by max. one tooth. If the steering wheel (32) is offset by more than one tooth, perfect turn signal cancellation is no longer guaranteed.
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| The airbag indicator and warning lamp (A1e15) may not come on when the wheels are fully turned in either direction.
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