Adjust toe at the front axle (FA) - AR40.20-P-0264P

MODEL 171, 203, 209

Fig 1: Identifying Retaining Device And Mounting

Shown on model 203 without 4MATIC

Fig 2: Identifying Tie Rod And Locknut - Shown On Model 203 Without 4MATIC

Shown on model 203 without 4MATIC

Fig 3: Locating Steering Gear Center Position - Shown On Model 203 Without 4MATIC

Shown on model 203 without 4MATIC

Fig 4: Identifying Wheel Spreader - Shown On Model 203 Without 4MATIC

	Adjust
1.1	Switch off easy entry/exit	Vehicles with memory package (driver seat, steering column, mirrors) code 275 Otherwise the driver seat and steering wheel move into a different position if the driver door is opened or closed for example. The upper frame may be damaged when the holding device (055) is installed. Switching off takes place via the buttons on the steering wheel in the "comfort" menu of the multifunction display.
2	Swivel sun visor to one side and fix steering wheel in center position using retainer (055)	Carefully mount retainer (055), in order to avoid damaging the steering wheel or the headliner.
			Fig 5
3	Check center position of steering gear and steering wheel	The steering gear is in the center position when the marking on the cap matches the marking on the control valve housing (arrows).If necessary, offset steering wheel, see: ↓ Remove/install steering wheel
		Model 203, 209	AR46.10-P-0100P
		Model 171	AR46.10-P-0100V
4	Install wheel spreader (030) at the front in the direction of travel on the inside of the wheel.	The elastic bearing of the transverse control arm and steering linkage produces a correspondingly large toe value that is reduced to the correct dimension in the ready-to-drive condition.
			*WH58.30-Z-1005-14A
5	Counterhold tie rod (10) at the hexagon and loosen jam nut (10f)
6	Rotate the tie rods (10) to adjust the toe angle.		*BE40.20-P-1001-07A
7	Tighten jam nut (10f)		*BA46.40-P-1002-01E
8	Remove retainer (055)		Fig 5
9	Remove wheel spreader (030)		*WH58.30-Z-1005-14A
10	Check bellows for twisting and align if necessary

FRONT AXLE TOE CHECK VALUES

Number	Designation		Model 171	Model 203 with 4MATIC	Model 203 ECE, except 4MATIC	Model 203 USA, except 4MATIC
BE40.20-P-1001-07A	Front axle overall toe-in	∠ °	0° 12'(±10')	0° 00'(±10')	0° 20'(±10')	0° 12'(±10')

FRONT AXLE TOE CHECK VALUES

Number	Designation		Model 209.3/4 ECE	Model 209.3/4 USA
BE40.20-P-1001-07A	Front axle overall toe-in	∠ °	0° 20'(±10')	0° 12'(±10')

TIE ROD

Number	Designation		Model 171	Model 203 except 203.081 / 084/281 / 284	Model 203.081/084/281/284	Model 209
BA46.40-P-1002-01E	Lock nut, tie rod to inner tie rod	Nm	60	60	60	60

Fig 5: Identifying Retainer (129 589 01 21 00)

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1005-14A	Pressure device for wheels, Firma Beissbarth D-80993 Munchen