Remove/install steering wheel

AR46.10-P-0100A

Remove/install steering wheel

26.03.2019

Model

129 up to 6/30/93, 140.### ## up to 123446

Modification notes

10.09.2003

Reference to setting toe at front axle replaced by reference to wheel alignment measurement

Operation step 11

 

Remove/install

 Warning

Risk of injury caused by performing testing or repair work on airbag or emergency tensioning retractor units.

Store airbag units with deployment side up and do not subject to temperatures above 100 °C. When working on these units, disconnect power supply and unplug test connector/airbag (AB) connector with emergency tensioning retractor (X11/13).

AS91.00-Z-0001-01B

 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

1

Fully retract or slide in adjustable steering column

2

Disconnect ground line from battery

Model 129

AR54.10-P-0003A

Topical note

Notes on battery

AH54.10-P-0001-01A

 Protect ground line to prevent inadvertent contact with ground terminal of battery.

3

Press company sign out of bolster plate

Vehicles without airbag

4

Remove airbag unit (1) from steering wheel

Topical note

Notes on performing repair, body work and welding on vehicles with airbags and RTE units

AH91.00-P-0002-01M

5

Move steering wheel to horizontal position (front wheels in straight-ahead position) and allow steering lock to engage

6

Remove countersunk bolt (32c); when doing so, counterhold steering wheel (32)

 Installation: Replace countersunk bolt.

 Bolt, steering wheel to steering shaft

*BA46.10-P-1001-02A

7

Remove steering wheel

AR46.10-P-0100-01A

 Installation: Align the recesses of the serrations in the steering wheel with the markings on the steering shaft (arrow).

 Installation: When installing a new steering wheel.

8

Check condition and wear of contact carbons (32d) and brass contact rings


On vehicles with Adaptive Damping System (ADS) code 216b, 217a, a magnetic with 72 magnets is installed in the outer plastic track (arrow).
Make sure that no iron shavings have been attracted.

 Installation: Do not grease brass contact rings.

9

Install in the reverse order

10

Activate steering angle sensor

Vehicles with code 216 (Adaptive Damping System (ADS) with level control system) or with code 217 (Level control system on rear axle with ADS)

AR46.10-P-0300-01A

11

Conduct a road test

 Tests during the road test:
Turn signal cancellation
If displacement is more than 1 tooth, problem-free turn signal cancellation is no longer guaranteed.
Airbag indicator lamp
The airbag indicator lamp must not light up on full steering lock in both directions.
Position of steering wheel
If steering wheel is not straight, move it by max. 1 tooth.

With greater deviation:



Check toe at front axle and adjust if necessary; see

Perform wheel alignment check

AR40.20-P-0200A

 Steering wheel

Number

Designation

Model 129

Model 140

BA46.10-P-1001-02A

Bolt, steering wheel to steering shaft

Nm

80

80