Remove/install front axle - AR33.10-P-0100NKB

MODEL 117, 156, 176, 246 

MODEL 242 with ENGINE 270 

Shown on model 246 

Fig 1: Front Axle Remove/Install Component - Shown On Model 246 (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Front Axle Remove/Install Component - Shown On Model 246 (2 Of 2)

Courtesy of MERCEDES-BENZ USA

Shown on MODEL 242 

Fig 3: Front Axle Remove/Install Components - Shown On Model 242

Courtesy of MERCEDES-BENZ USA

	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
	Notes on repair work on suspension components		AH00.00-P-0100-01A
	Remove/install
1	Switch off ignition and keep transmitter key at a location beyond transmitter range (at least 2 m)
2	Detach lower steering shaft from connection in driver footwell		AR46.10-P-0500-01NKB
		Clamp screw, steering coupling to rack-and-pinion steering	*BA46.10-P-1001-01H
		Retainer device	Fig 4
3	Secure vehicle on vehicle lift		AR00.60-P-0100CW
4	Remove front wheel-and-tire assemblies
			AP40.10-P-4050AK
5.1	Detach lower engine compartment paneling	Model 117 with engine 133, 270 Model 156 Model 176 with engine 133, 270 Model 242 with engine 270 Model 246 with engine 270
			AR61.20-P-1105NKB
5.2	Remove bottom section of the soundproofing	Model 117 with engine 607, 651 Model 176 with engine 607, 651 Model 246 with engine 607, 651
			AR94.30-P-5300NKB
6	Remove front fender liner		AR88.10-P-1300NKB
7	Detach underfloor paneling		AR61.30-P-1001NKB
8	Unscrew screw/bolt (2) from washer fluid reservoir on left crossbar (1b)
9	Remove left crossbar (1b) and right crossbar (1a)	Do not swap left crossbar (1b) and right crossbar (1a). Ensure that the installation position is correct.
		Bolt, radiator support to connecting carrier	*BA62.30-P-1003-04D
		Bolt, connecting carrier to front axle carrier	*BA62.30-P-1004-04D
10	Detach torsion bar linkage from torsion bar	Self-locking nut, connecting rod to torsion bar	*BA32.20-P-1002-02K
11	Unscrew screws/bolts (7) at engine stabilizer mount (8)	Model 117 with engine 270 Model 117 with engine 607 Model 117 with engine 651 Model 156 with engine 270 Model 156 with engine 607 Model 156 with engine 651 Model 176 with engine 270 Model 176, 246 with engine 607 Model 176, 246 with engine 651 Model 242 with engine 270 Model 246 with engine 270Bolt, torsion bar linkage at bottom to support for bearing bracket/engine support at bottom	*BA22.10-P-1010-01V
12	Unscrew screws/bolts (9) from rear transverse control arm bearings on frame floor assembly		AR33.20-P-0510NKB
13	Remove nuts (3) of exhaust bracket (4) to front axle carrier	Model 117, 156, 176, 242, 246 with engine 270 Model 117, 156, 176, 246 with engine 607, 651 Nut, bracket for center muffler or diesel particulate filter to front axle carrier	*BA49.10-P-1006-01AL
14	Detach electrical connections from electrical power steering control unit and detach wiring harness from rack-and-pinion steering		AR46.20-P-0701NKB
		Replace cable tie and ensure correct routing of the electrical wiring harness.
15	Unscrew nut (21) and remove mounting bar (20)	Model 242 with engine 270 Do not kink or bend lines. Otherwise the lines may be damaged.
16	Detach electrical connections from front-axle level sensor	Model 117, 156, 176, 246 up to model year 2015 with code 614 (Bi-xenon headlamps) Model 117, 156, 176, 246 up to model year 2015 with code 615 (Bi-xenon headlamps with active light function) Model 117, 156, 176, 246 up to model year 2015 with code 618 (Bi-xenon headlamps) Model 117, 156, 176, 246 up to model year 2015 with code 621 (Intelligent Light System (left-hand traffic)) Model 117, 156, 176, 246 up to model year 2015 with code 622 (Intelligent Light System) Model 242 with engine 270 up to model year 2015 with code 614 (Bi-xenon headlamps) Model 242 with engine 270 up to model year 2015 with code 615 (Bi-xenon headlamps with active light function) Model 242 with engine 270 up to model year 2015 with code 618 (Bi-xenon headlamps) Model 242 with engine 270 up to model year 2015 with code 621 (Intelligent Light System (left-hand traffic)) Model 242 with engine 270 up to model year 2015 with code 622 (Intelligent Light System)	AR82.10-P-4083NKB
17	Detach electrical connection from front right brake wear sensor and remove brake wear sensor connector from brake caliper	Screw/bolt, brake wear connector to brake caliper	*BA42.10-P-1004-10N
18	Detach rpm sensors on front axle at left and right with cable ducts (5) on steering knuckles (6) and place to one side	Bolt, rpm sensor to steering knuckle	*BA42.30-P-1001-01F
19	Detach electrical connections (10) in area of rear transverse control arm bearing	The electrical lines remain on the transverse control arms.
20	Detach tie rods from steering knuckles (6)		AR46.40-P-0200-02CW
		Nut, tie rod to steering knuckle	*BA46.40-P-1001-01O
		Press	Fig 7
		Puller	Fig 6
21	Pry off supporting ball joints from steering knuckles (6)		AR33.20-P-0440-01NKB
		Model 117, 156, 176, 246 Model 242 with engine 270 Nut, supporting ball joint/transverse control arm to steering knuckle	*BA33.15-P-1005-01F
		Puller	Fig 5
		Press	Fig 7
22	Support front axle carrier against falling down		AR33.10-P-0105NKB
23	Unscrew screws/bolts from front axle carrier on frame floor assembly	Bolt, front-axle carrier to body	*BA33.10-P-1001-01G
24	Lower and remove front axle
25	Install in the reverse order
26	Perform wheel alignment check		AR40.20-P-0200NKB

Fig 4: Identifying Retainer Device (129 589 01 21 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Puller (246 589 00 33 00)

Courtesy of MERCEDES-BENZ USA

Fig 6: Identifying Puller (221 589 05 33 00)

Courtesy of MERCEDES-BENZ USA

Fig 7: Identifying Press (163 589 03 43 00)

Courtesy of MERCEDES-BENZ USA