Remove/install and secure rear axle shaft twelve-point collar nut - AR35.30-P-0115-01TX

WARNING: This page is about a different car, the 2011 Mercedes-Benz C300, 2010 Mercedes-Benz C300, 2009 Mercedes-Benz C300, and 2008 Mercedes-Benz C300. However, it is still accessible from the selected car via links, so may be relevant.

REAR AXLE SHAFT

Number	Designation				Model 204	Model 207	Model 212
BA35.30-P-1001-01J	Collar nut, rear axle shaft to rear axle shaft flange	self-locking		Nm	350	350	350
BA35.30-P-1001-01J	Collar nut, rear axle shaft to rear axle shaft flange	not self-locking	Stage 1	Nm	170	170	170
			Stage 2	∠°	45	45	45

REAR AXLE SHAFT

Number	Designation				Model 172	Model 218
BA35.30-P-1001-01J	Collar nut, rear axle shaft to rear axle shaft flange	self-locking		Nm	350	350
		not self-locking	Stage 1	Nm	-	-
			Stage 2	∠°	-	-

REAR AXLE SHAFT

Number	Designation				Model 219
BA35.30-P-1001-01F	Collar nut, rear axle shaft to rear axle shaft flange	self-locking		Nm	350
		not self-locking	Stage 1	Nm	170
			Stage 2	∠°	45

Variant not self-locking

Fig 1: Identifying Twelve-Point Collar Nut - Not Self-Locking

Courtesy of MERCEDES-BENZ USA

Self-locking variant

Fig 2: Identifying Twelve-Point Collar Nut - Self-Locking

Courtesy of MERCEDES-BENZ USA

Detaching

1.1 Apply parking brake
For model 204, 207, 212, 218, 219
1.2 Operate electric parking brake (EFB)
In case of model 172
2 Unscrew twelve-point collar nut (12).
The twelve-point collar nut (12) should be replaced each time it is unscrewed.

If a self-locking twelve-point collar nut (12) was installed, the thread of the rear axle shaft must be cleaned. Use a suitable brush to remove residues of the thread locking compound (arrow, right illustration).

Mount on and secure

Note twelve-point collar nut (12) variant. The non self-locking variant is replaced by the self-locking variant.
3 Tighten twelve-point collar nut (12).
Observe specified tightening torque.
4 Secure twelve-point collar nut (12) with caulker so that no gap remains between the groove and locking collar of the twelve-point collar nut.
Double-lock twelve-point collar nut (12) (arrows, left illustration), using non self-locking variant. Lock twelve-point collar nut (12) one time only, with self-locking variant.
5 Release parking brake or electronic parking brake.