Remove/Install Front Axle - AR33.10-P-0100MFA

Model 118, 177, 247 

Shown on model 177 with engine 608 

Fig 1: Front Axle Components Location - Model 247 (Shown On Model 177 With Engine 608)

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Shown on model 177.0 with engine 139 and code 459 (Steel suspension with adjustable damping) 

Courtesy of MERCEDES-BENZ USA

Shown on model 177 with engine 608 

	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
	Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Risk of injury  . Moving parts can pinch, crush or, in extreme cases even sever extremities.	No parts of the body or limbs should be within the operating area of mechanical components when moving components.	AS00.00-Z-0009-01A
	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
Notice	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Notice	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Note on calculation of tightening torque when using insertion or socket tools with various effective lengths		AH00.00-P-0015-01CW
	Notes on repair work on suspension components		AH00.00-P-0100-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove/install
1	Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).
2	Remove front wheel and tire assemblies.		AR40.10-P-1102MFA
3	Detach left supporting joint (8) and right supporting joint (9) from wheel carrier.		AR33.20-P-0510MFA
4	Detach torsion bar linkages (2) from torsion bar.	Nut, torsion bar linkage to suspension strut/stabilizer bar	*BA32.35-P-1002-02A
5	Remove left and right front fender liners.		AR88.10-P-1301MFA
6	Remove screws (3) and remove lower front wheel arch covers (4).	Model 118, 177, 247 except code 772 (AMG styling - Front spoiler, side skirts)
7	Remove retaining clips (19).	Model 118, 177, 247 with code 772 (AMG styling - Front spoiler, side skirts)
		Dismantling tool	Fig 2
8	Unscrew screws (5) or remove retaining clips, and remove front support (6).
		Dismantling tool	Fig 2
9	Remove holders (23) from lower control arms.	Model 118, 177, 247 with code 459 (Steel suspension with adjustable damping) Model 118, 177, 247 with code 640 (SAE dynamic LED headlamps right-hand traffic) Model 118, 177, 247 with code 641 (Dynamic LED headlamps, left-hand traffic) Model 118, 177, 247 with code 642 (Dynamic LED headlamps, right-hand traffic)
10	Remove screws (24), remove holders (22) from front axle (1) and secure against falling down.	Model 118, 177, 247 with code 459 (Steel suspension with adjustable damping) Model 118, 177, 247 with code 640 (SAE dynamic LED headlamps right-hand traffic) Model 118, 177, 247 with code 641 (Dynamic LED headlamps, left-hand traffic) Model 118, 177, 247 with code 642 (Dynamic LED headlamps, right-hand traffic) Do not kink or stretch the electric lines. Otherwise damage will occur.
		Screw, acceleration sensor/steer angle sensor holder to front axle carrier	*BA33.10-P-1003-01R
11	Remove lower engine stabilizer mount (7).	Model 118, 177, 247.7 with engine 139	AR22.10-P-1155MFG
		Model 118, 177, 247 with engine 260, 282	AR22.10-P-1155MFC
		Model 118, 177, 247 with engine 608, 654	AR22.10-P-1155MFE
12	Remove side noise encapsulation (20) from front axle (1).	If installed.
13	Remove nuts of screws (10) and remove screws (10).	Position precisely. The rack-and-pinion steering must not slip on the front axle (1). Otherwise the elastomer bearings of the rack-and-pinion steering could be trapped or damaged. Replace screws (10) and nuts. Observe information sheet for repair kit. Fit assembly aid from repair kit onto screws (10) and insert screws (10) into front axle (1) from below. Then position rack-and-pinion steering on front axle (1) from above.
		Nut, rack-and-pinion steering to front axle carrier	*BA46.20-P-1001-01T
14	Secure rack-and-pinion steering using suitable means to prevent it falling.
15	Detach bracket (17) of exhaust system from front axle (1).	Model 118, 177, 247.7 with engine 139Nut, center exhaust system holder to front axle carrier	*BA49.10-P-1002-02X
		Model 118, 177, 247 with engine 654Nut, front exhaust system holder to front axle carrier	*BA49.10-P-1006-02V
		Model 118, 177, 247 with engine 608Nut, center exhaust system holder to front axle carrier	*BA49.10-P-1004-02R
		Model 118, 177, 247 with engine 260, 282Nut, center exhaust system holder to front axle carrier	*BA49.10-P-1007-02Q
16.1	Remove control unit of temperature sensor upstream of gasoline particulate filter (B163/4) with holder from front axle (1) and secure it on vehicle free of tension with line connected to prevent it from falling down.	Model 177, 247 with engine 260, 282 with code 598 (Gasoline particulate filter (OPF) with sensor system) except code M005 (Vehicles with 4MATIC/all-wheel drive)
			AR49.20-P-0009MFD
		Do not crush or kink or subject lines to tension This will result in damage to the lines which may impair their functional capability. The temperature sensor upstream of the gasoline particulate filter (B163/4) remains in the exhaust system and is permanently connected to the control unit.
		Screw, control unit holder to front axle carrier	*BA49.10-P-1011-02Q
16.2	Remove NOx sensor control unit downstream of SCR catalytic converter (N37/8) with holder from front axle (1) and secure it on vehicle free of tension with line connected to prevent it from falling down.	Model 118, 177, 247 with engine 608
		Do not crush or kink or subject lines to tension This will result in damage to the lines which may impair their functional capability. The NOx sensor downstream of the SCR catalytic converter (N37/8b1) remains in the exhaust system and is permanently connected to the control unit of the NOx sensor downstream of the SCR catalytic converter (N37/8).	AR49.20-P-2062MFE
		Screw, control unit holder to front axle carrier	*BA49.10-P-1008-02R
17	Detach left and right underfloor paneling until front axle (1) can move freely.		AR61.30-P-1001MFA
18	Remove screws (27) and remove struts (26).	Model 118, 177, 247 with engine 260 with code M016 (Uprated engine) Model 118, 177, 247.7 with engine 139 Replace screws of transverse control arm bearing on front axle carrier.
		Mount, support (strut)	*BA33.10-P-1002-01R
		Screw/bolt, transverse control arm bearing to front axle carrier	*BA33.15-P-1002-01F
19	Remove screws (12).	Replace bolts (12).
		Screw/bolt, transverse control arm bearing to longitudinal member	*BA33.15-P-1003-01F
20	Remove screw (25) and remove holder from right connecting carrier.	Model 118, 177, 247 with engine 260, 282, 608, 654 with code 228 (Additional warm water heating) Model 118, 177, 247.7 with engine 139
		Screw, holder to connecting carrier	*BA62.30-P-1010-02O
21	Remove screws (13, 14) and remove connecting carrier from vehicle.	Bolt, connecting carrier to front axle carrier/radiator support	*BA62.30-P-1003-02O
22	Remove screw/bolts (15).	Bolt, front-axle carrier to body	*BA33.10-P-1001-01R
23	Support front axle (1) with lifting platform and major assembly mount (universal).
	000 588 03 62 00 Lifting platform		WS01.00-P-0091A
24	Remove screws (16) and lower front axle (1).	Bolt, front-axle carrier to body	*BA33.10-P-1001-01R
25	Install in the reverse order.
26	Perform chassis alignment.		AR40.20-P-0200MFA

Fig 2: Identifying Dismantling Tool (000 589 95 63 00)

Courtesy of MERCEDES-BENZ USA