Adjust front axle toe

AR40.20-P-0264R

Adjust front axle toe

27.06.2013

MODEL

230.4

MODEL

231

Modification notes

12.09.2012

Total front axle toe with vehicle level

MODEL 231 except AMG, with CODE 486

BE40.20-P-1002-07S

12.09.2012

Gesamtspur Vorderachse bei Fahrzeugniveau

TYP 231 außer AMG, mit CODE 486

BE40.20-P-1002-07S

12.09.2012

Total front axle toe with vehicle level

MODEL 231 except AMG, with CODE 487

BE40.20-P-1002-07S

12.09.2012

Gesamtspur Vorderachse bei Fahrzeugniveau

TYP 231 außer AMG, mit CODE 487

BE40.20-P-1002-07S

26.06.2013

Gesamtspur Vorderachse bei Fahrzeugniveau

BE40.20-P-1002-07S

Shown on model 230.4

055

Holding device

Shown on model 230.4 with code (487) Active Body Control (ABC)

10

Tie rod

10f

Jam nut

Shown on model 230.4

Pfeil

Steering gear center position

Shown on model 231

Pfeil

Steering gear center position

Shown on model 230.4 with code (487) Active Body Control (ABC)

030

Wheel spreader

Adjust

1

Switch off easy entry/exit


Depending on the version, the steering wheel and possibly also the driver seat move to a different position when, for example, the driver door is opened or closed.
Damage to the upper frame can occur when the retainer (055) is installed.

 The system is switched off via the buttons on the steering wheel in the "Comfort" menu of the multifunction display.

2

Swivel the sun visor to one side and fix the steering wheel in the center position using the retainer (055)


Position holding device (055) carefully.
In order to prevent damage to the steering wheel and headliner.

 Retainer device

*129589012100

3

Detach lower engine compartment paneling

MODEL 230.4
with CODE P99 (Special model "AMG Black Series")

AR61.20-P-1105RBS

MODEL 231

AR61.20-P-1105RK

4

Check center position of steering gear (arrow) and steering wheel

 The steering gear is at the center position when the marking on the cap is aligned with the marking on the control valve housing.

Adjust steering wheel by max. one tooth if necessary:



Remove/install steering wheel

MODEL 230 (except 230.479) up to 1/28/08
MODEL 230 as of 1/29/08

AR46.10-P-0100I

MODEL 230.479 up to 1/28/08
without CODE 809 (Model year 2009)

AR46.10-P-0100AM

MODEL 231

AR46.10-P-0100EW

5

Insert wheel spreader (030) at the inside of the wheel at the front in the direction of travel

 The elastic mounts of the transverse control arms and steering linkage result in a correspondingly large toe value which reduces to the correct dimension in the driving condition.

6

Counterhold tie rod (10) at the hexagon and loosen jam nut (10f)

7

Rotate the tie rods (10) to adjust the toe angle.

MODEL 230
without CODE P99 (Special model "AMG Black Series")

*BE40.20-P-1001-07A

MODEL 230
with CODE P99 (Special model "AMG Black Series")

*BE40.20-P-1001-07J

Model 231

*BE40.20-P-1002-07S

8

Tighten jam nut (10f)

 Lock nut, tie rod to inner tie rod

*BA46.40-P-1002-01E

9

Remove retainer (055)

 Retainer device

*129589012100

10

Remove wheel spreader (030)

11

Check bellows for twisting and align if necessary

Front axle toe check values

Number

Designation

Model 230 except AMG with code P99

BE40.20-P-1001-07A

Front axle overall toe-in

°

0° 12' (10')

Check values for front axle toe

Number

Designation

Model 231 except code 486/487

Model 231 with code 486

BE40.20-P-1002-07S

Total front axle toe at vehicle level

-1.07°

°

–

–

–0.74°

°

–

0° 12' (10')

-0.58°

°

–

–

-0.41°

°

–

–

–0.24°

°

–

–

+0.57°

°

–

0° 14' (10')

+0.73°

°

–

–

+1.06°

°

0° 12' (10')

–

+1.87°

°

–

0° 17' (10')

+2.04°

°

–

–

+2.36°

°

0° 15' (10')

–

+3.67°

°

0° 17' (10')

–

Check values for front axle toe

Number

Designation

Model 231 with code 487

Model 231 AMG

BE40.20-P-1002-07S

Total front axle toe at vehicle level

-1.07°

°

–

0° 8' (10')

–0.74°

°

–

–

-0.58°

°

0° 9' (10')

–

-0.41°

°

–

0° 10' (10')

–0.24°

°

–

0° 11' (10')

+0.57°

°

–

–

+0.73°

°

0° 12' (10')

–

+1.06°

°

–

–

+1.87°

°

–

–

+2.04°

°

0° 14' (10')

–

+2.36°

°

–

–

+3.67°

°

–

–

Front axle toe check values

Number

Designation

MODEL 230 with Code P99

BE40.20-P-1001-07J

Total front axle toe with vehicle level

–4.4°

°

0° 14' (10')

–4.6°

°

0° 13' (10')

–4.7°

°

0° 11' (10')

–4.9°

°

0° 10' (10')

–5.0°

°

0° 09' (10')

–5.2°

°

0° 08' (10')

–5.3°

°

0° 07' (10')

 Tie rod

Number

Designation

MODEL 230

MODEL 231

BA46.40-P-1002-01E

Lock nut, tie rod to inner tie rod

Nm

60

65