Remove/Install Steering Track/Tie Rod - AR46.40-P-0200FR

Model 257, 290

MODIFICATION NOTES

07.02.2020

Remove air deflector plate from tie rod (1), added.

Operation step 2

Shown on model 257

Fig 1: Steering Track/Tie Rod Components Location - Model 290 (Shown On Model 257)

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Notes on repair work on suspension components		AH00.00-P-0100-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
1	Remove corresponding front wheel.		AR40.10-P-1102A
2	Remove air deflector plate from tie rod (1).	Model 290 with engine 177
3	Counterhold tie rod (1) and loosen counternut (2).
	Note on calculation of tightening torque when using insertion or socket tools with various effective lengths		AH00.00-P-0015-01CW
		It is essential to counterhold the tie rod (1). The tie rod (1) will otherwise be damaged
		After loosening, do not turn counternut (2) on inner tie rod (4) any more.
		Jam nut, tie rod to inner tie rod	*BA46.40-P-1002-01P
4	Remove nut (3) and remove tie rod (1) from steering knuckle.
Notice	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
		The ball head must be counterheld and an impact wrench/driver must not be used. Otherwise the ball head or steering knuckle may be damaged.
		Self-locking nut, tie rod to steering knuckle	*BA46.40-P-1001-01P
5	Remove tie rod (1) from inner tie rod (4).
6	Install in the reverse order.
	Measure
7	Perform chassis alignment.	Model 290	AR40.20-P-0200FRX
		Model 257	AR40.20-P-0200FR

TIE ROD

Number	Designation			Model 257	Model 290
BA46.40-P-1001-01P	Self-locking nut, tie rod to steering knuckle	Stage 1	Nm	90	90
BA46.40-P-1001-01P	Self-locking nut, tie rod to steering knuckle	Stage 2	∠°	60	60

TIE ROD

Number	Designation		Model 257	Model 290
BA46.40-P-1002-01P	Jam nut, tie rod to inner tie rod	Nm	65	65