Remove/install front axle

AR33.10-P-0100LW

14.04.2020

Model	205
Model	253 (except 253.388/389/988/989)

Modification notes

31.03.2020

Work step inserted.

Step 32

P33.10-2511-09

Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive)

1	Radiator package	20	Strut
2	Tensioning strap	21	Rear radiator mount (with radiator package (1) in rear installation position)
4	Front axle	28	Screw (with radiator package (1) in front installation position)
12	Air duct segments	29	Front radiator mount (with radiator package (1) in front installation position)

P33.10-2427-09

Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive)

4	Front axle		26	Lifting platform
25	Tensioning strap		27	Tensioning strap

Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive)

3	Wiring harness for rack-and-pinion steering
4	Front axle
22	Electrical connector
23	Electrical connector
24	Rack-and-pinion steering

P33.10-2426-06

Shown on model 205 with code M005 (Vehicles with 4MATIC/all-wheel drive)

3	Wiring harness for rack-and-pinion steering
4	Front axle
22	Electrical connector
23	Electrical connector
24	Rack-and-pinion steering

P33.10-2442-06

Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive) on right side of vehicle

5	Diagonal strut
6	Screw

P33.10-2414-06

Shown on model 205.4 except code M005 (Vehicles with 4MATIC/all-wheel drive)

8	Diagonal strut

P33.10-2500-11

P33.10-2417-09

Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive), with radiator package in rear installation position

4	Front axle	14	Bracket
7	Bolts	15	Screw
10	Screw	16	Bolts
11	Bracket of engine compartment paneling	17	Decoupling element
13	Screw

Shown on model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive), with radiator package in rear installation position

18	Refrigerant line
19	Condenser
B14	Outside temperature sensor

P33.10-2416-06

10	Bolts
31	Nuts
32	Struts

P33.10-A037-05

 Caution	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
 Warning	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
 Danger	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
 Danger	Risk of fire due to ignition of R1234yf refrigerant on hot components. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with escaped R1234yf refrigerant and when working on pressurized parts. Risk of explosion due to formation of ignitable refrigerant/air mixtures	Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated.	AS83.00-Z-0007-01A
 Warning	Risk of poisoning caused by inhaling overheated refrigerant vapors from an air conditioning system containing R134a. Risk of injury to skin and eyes caused by contact with liquid R134a refrigerant and when working on pressurized parts	Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated.	AS83.00-Z-0006-01A
Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Topical note	Notes on threaded connections with aluminum screws/bolts		AH00.00-P-0006-01RM
Topical note	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
Topical note	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Topical note	Notes on handling, transport and storage of composite brake disks		AH42.10-P-9406-12LF
Topical note	Notes on handling, transport and storage of ceramic brake disks		AH42.10-P-9406-13A
Topical note	Notes on installation position of condenser		AH83.30-P-0002-01LW
Topical note	Protect air conditioning circuit and components from moisture when carrying out repair work		AH83.30-N-0005-01A
Topical note	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Notes on handling refrigerant R1234yf		AH83.30-P-0003-02A
	Notes on handling refrigerant R134a		AH83.30-N-0003-01A
	Notes on AIRmatic	Model 205 with code 489 (AIRMATIC) Model 253 (except 253.388/389/988/989) with code 489 (AIR BODY CONTROL)	AH32.22-P-1000-02LW
	Notes on repair work on suspension components		AH00.00-P-0100-01A
 	Remove/install
1	Secure vehicle on vehicle lift.		AR00.60-P-1006A
2	Vent pressure in AIRMATIC system using vehicle diagnosis system.	Model 205 with code 489 (AIRMATIC) Model 253 (except 253.388/389/988/989) with code 489 (AIR BODY CONTROL)
			AD00.00-P-2000-04B
3	Deactivate easy entry and exit feature.	Model 205, 253 (except 253.388/389/988/989) with code 275 (Driver's seat, electrically adjustable with memory function)
4	Move front wheels to straight-ahead position and fix steering wheel in place with holding device.	 Do not turn steering wheel with steering coupling removed. Otherwise the clock spring contact will be destroyed.
		 Retainer device	*129589012100
5	Perform disable for high-voltage on-board electrical system.	Model 253.311/353/354/911/953/954	AR54.10-P-1150LVH
		Model 205.012/013/047/053/054/147/212/213/247/253	AR54.10-P-1150LW
6	Discharge air conditioning system.		AR83.30-P-1760LW
7	Mount engine support fixture.	Model 205, 253 (except 253.388/389/988/989)
		Model 205, 253 with engine 264	AR01.10-P-2400-17MRI
		Model 205 with engine 177 Model 205, 253 with engine 274, 276.8	AR33.10-P-0105LW
		Model 205 with engine 651, 654 Model 253 with engine 642, 651, 654, 656	AR33.10-P-0105LWD
		Model 205 with engine 626	AR33.10-P-0105OLP
		 Aid of helper required.
		 Model 205, 253 with engine 264Screw, low-temperature circuit expansion reservoir to crossmember	*BA20.20-P-1002-02B
		 Model 205, 253 with engine 264 Adapter kit	*240589013100
		 Model 205, 253 with engine 264 Engine lifting device	*240589006100
		 Model 205, 253 with engine 264 Adaptation plates	*240589003200
		 Model 205, 253 with engine 264 Engine hoist	*205589006100
8	Remove front wheels.		AR40.10-P-1102A
9	Remove engine compartment lining at front, center and rear.		AR61.20-P-1105LW
10	Secure radiator package (1) against falling down using tensioning strap (2).	 Do not tighten tensioning strap (2) too far. Otherwise the components can be damaged.
11	Detach refrigerant line (18) from condenser (19), hang to one side towards inside and seal connections.
	Compressor oils (specification 362.1)		BB00.40-P-0362-01A
		 Installation: Replace sealing rings and moisten with compressor oil.
		 Nut, line to condenser	*BA83.30-P-1002-01Q
		 Assembly tool	*000589936300
		 Record plug	*129589009100
12	Remove left and right screw (28), fold up cooler mounts at front (29) and remove from struts (20).	If the radiator package (1) is in the front installation position.
		 Installation: Make sure that the front radiator mounts (29) are correctly seated.
13	Remove front axle shafts.	Model 205, 253 (except 253.388/389/988/989) with transmission 725.0 with code M005 (Vehicles with 4MATIC/all-wheel drive) Model 253 (except 253.388/389/988/989) with transmission 724.2	AR33.30-P-0620LW
		Model 205 with transmission 722.96/97	AR33.30-P-0620LWY
14	Remove right front brake wear sensor (S10/2) and hang to one side.	Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 Model 253 (except 253.388/389/988/989)
		 Bolt, brake wear sensor to brake caliper	*BA42.10-P-1002-10W
15.1	Remove brake calipers with brakepads and attach to the vehicle with the brake hose attached and free of tension.	Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 Model 253 (except 253.388/389/988/989) For fixed-caliper brake.
		Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 4-piston fixed-caliper brakeModel 253 (except 253.388/389/988/989)4-piston fixed-caliper brake	AR42.10-P-0070LWA
		Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 with code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) except code U70 (red-painted brake callipers) 6-piston fixed-caliper brakeModel 253 (except 253.388/389/988/989) with code B06 (AMG high-performance braking system) except code B07 (AMG - ceramic brake system) except code U70 (AMG high-performance composite braking system)6-piston fixed-caliper brake	AR42.10-P-0070LWB
		Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 with code B07 (AMG - ceramic brake system) except code B06 (Silver brake calipers) except code U70 (red-painted brake callipers) 6-piston fixed-caliper brakeModel 253 (except 253.388/389/988/989) with code B07 (AMG - ceramic brake system) except code B06 (AMG high-performance braking system) except code U70 (AMG high-performance composite braking system)6-piston fixed-caliper brake	AR42.10-P-0070LWC
		Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 with code U70 (red-painted brake callipers) except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) 6-piston fixed-caliper brakeModel 253 (except 253.388/389/988/989) with code U70 (AMG high-performance composite braking system) except code B06 (AMG high-performance braking system) except code B07 (AMG - ceramic brake system)6-piston fixed-caliper brake	AR42.10-P-0070LWD
15.2	Detach brake calipers with brake caliper supports and fasten to vehicle free of tension with brake hose connected.	Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 Model 253 (except 253.388/389/988/989) With floating caliper brake.
		Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 1-piston floating caliper brakeModel 253 (except 253.388/389/988/989)1-piston floating caliper brake	AR42.10-P-0070LW
16	Detach suspension struts from spring links.	Model 205 except code 489 (AIRMATIC) Model 253 (except 253.388/389/988/989) except code 489 (AIR BODY CONTROL)	AR32.25-P-1017LW
		Model 205 with code 489 (AIRMATIC) Model 253 (except 253.388/389/988/989) with code 489 (AIR BODY CONTROL)	AR32.25-P-1017LWL
17	Detach brackets of electrical wiring harnesses from spring links and axle carrier, and place to one side.	Model 205 with code M005 (Vehicles with 4MATIC/all-wheel drive) Model 253 (except 253.388/389/988/989)
18	Remove torsion bar linkages from spring links.	Model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR32.35-P-3328LW
19	Remove left and right line bracket of rotational speed sensors of front axle (4) from front axle carrier and hang to one side with connected electric lines.		AR42.30-P-0712LW
20	Remove steering knuckles from upper transverse control arms and secure to tension strut with tensioning straps (25).	Model 205 with transmission 716, 722 (except 722.96/97), 724, 725 Model 253 (except 253.388/389/988/989)
		 The steering knuckles must not fold outwards after they are detached from the upper transverse control arms. Otherwise ball joints may be damaged.
		 Counterhold the ball heads and do not use an impact wrench/driver. Otherwise the ball heads or the steering knuckles will be damaged.
		 Model 205, 253 (except 253.388/389/988/989) with transmission 725.0 Model 253 (except 253.388/389/988/989) with transmission 724.2 with code M005 (Vehicles with 4MATIC/all-wheel drive) Installation: Fasten the steering knuckles to the upper transverse control arms with cable ties only.
		 Nut, steering knuckle to transverse control arm	*BA33.20-P-1006-01U
21	Disconnect steering coupling.		AR46.10-P-8000LW
22	Release and disconnect electrical connectors (22, 23).
23	Detach complete rack-and-pinion steering wiring harness (3) from rack-and-pinion steering (24) and front axle (4), and place to one side.
24	Remove the compressor.	Model 205 with code 489 (AIRMATIC) Model 253 (except 253.388/389/988/989) with code 489 (AIR BODY CONTROL)	AR32.22-P-2001LW
25	Remove screws (6) and remove left and right diagonal struts (5).	 Mount, support (strut)	*BA33.10-P-1002-01Q
26	Remove diagonal strut (8).	Model 205.4
		 Bolt, front diagonal strut to longitudinal member	*BA61.10-P-1007-01L
		 Bolt, front diagonal strut to front axle carrier/torsion bar bearing shell/radiator mounting console	*BA61.10-P-1006-01L
27	Remove screws (7) of engine mounts at front axle (4).	Model 205, 253 (except 253.388/389/988/989)
		Model 253.992/993 with engine 780	AR22.10-P-1102RFW
		Model 253.992/993 with engine 780	AR22.10-P-1101RFW
		Model 253 with engine 276.8	AR22.10-P-1105MMX
		Model 253 with engine 276.8	AR22.10-P-1104MMX
		Model 253 with engine 274.9 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR22.10-P-4330LWD
		Model 253 with engine 274.9 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR22.10-P-4330LWC
		Model 205 with engine 651	AR22.10-P-1260LWB
		Model 205 with engine 626	AR22.10-P-1260OLP
		Model 205 with engine 264, 274.9 except code M005 (Vehicles with 4MATIC/all-wheel drive) Model 253 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR22.10-P-4330LWA
		Model 205 with engine 264, 274.9 with code M005 (Vehicles with 4MATIC/all-wheel drive) Model 253 with engine 264 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR22.10-P-4330LWB
		Model 205 with engine 276.8	AR22.10-P-4330MMV
		Model 205 with engine 177	AR22.10-P-4330MNA
		Model 253 with engine 642 Model 253 with engine 651	AR22.10-P-4330RF
		Model 205, 253 with engine 654 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR22.10-P-4330OLI
		Model 205, 253 with engine 654 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR22.10-P-4330OLL
		Model 253 (except 253.388/389/988/989) with engine 656	AR22.10-P-4330OIF
28	Lift engine using engine support fixture until the guide pins of the engine mount fully extend out of the axle carrier.	 Aid of helper required.
29	Position lifting platform (26) at front axle (4) and secure with tensioning strap (27).
	000 588 03 62 00 Lifting platform		WS01.00-P-0091A
30	Detach engine compartment lining brackets (11).
31	Remove screws (10) of front axle (4).	 Bolt, front axle carrier to longitudinal member	*BA33.10-P-1001-01Q
32	Remove nuts (31) and remove struts (32).	Model 253 (except 253.388/389/988/989) with engine 264
		 Nut, strut for front axle carrier to longitudinal member	*BA33.10-P-1004-01Q
33	Loosen air duct segments (12) and fold inwards.
34	Remove screws (13) of brackets (14).
35	Slacken screws (15) of brackets (14).
36	Lower front axle (4) slightly.
	000 588 03 62 00 Lifting platform		WS01.00-P-0091A
		 Observe radiator package (1) when lowering. Otherwise it may be damaged.
		 Aid of helper required.
37	Mark struts (20) relative to front axle (4) using colored pencil.
38	Remove low-temperature circuit circulation pump 1 (M43/6) with holder from rear right cooler mount (21) and hang to one side with connected lines.	If the radiator package (1) is located in the rear installation position and low-temperature circuit circulation pump 1 (M43/6) is installed.
39.1	Unscrew left and right screws (16).	If the radiator package (1) is in the front installation position.
		 Bolt, strut (impact absorber) to front axle carrier	*BA33.10-P-1003-01Q
39.2	Unscrew left and right screws (16) and remove rear cooler mounts (21).	If the radiator package (1) is in the rear installation position.
		 Make sure that the decoupling elements (17) are seated correctly.
		 Bolt, strut (impact absorber) to front axle carrier	*BA33.10-P-1003-01Q
40	Push spring links downward and position suspension struts in front of spring links.	 Carefully position the suspension struts in front of the spring control arms. Otherwise the suspension strut joints can be damaged.
		 Aid of helper required.
41	Pull front axle (4) slightly to rear, turn brackets (14) to side and remove struts (20).	 Installation: Note the previously made markings when inserting the struts (20).
		 Aid of helper required.
42	Fully lower front axle (4).
	000 588 03 62 00 Lifting platform		WS01.00-P-0091A
		 Carefully lower front axle (4). Otherwise adjacent components may be damaged.
		 Aid of helper required.
43	Install in the reverse order.
44	Perform chassis alignment.		AR40.20-P-0200LW

 Engine radiator, coolant hoses and lines

Number	Designation		Engine 264
BA20.20-P-1002-02B	Screw, low-temperature circuit expansion reservoir to crossmember	Nm	8

 Front axle carrier

Number	Designation		Model 205	Model 253
BA33.10-P-1001-01Q	Bolt, front axle carrier to longitudinal member	Nm	180	180

 Front axle carrier

Number	Designation		Model 205	Model 253
BA33.10-P-1002-01Q	Mount, support (strut)	Nm	110	110

 Front axle carrier

Number	Designation		Model 205	Model 253
BA33.10-P-1003-01Q	Bolt, strut (impact absorber) to front axle carrier	Nm	23	23

 Front axle carrier

Number	Designation		Model 253
BA33.10-P-1004-01Q	Nut, strut for front axle carrier to longitudinal member	Nm	110

 Wheel control, hub

Number	Designation			Model 205	Model 253
BA33.20-P-1006-01U	Nut, steering knuckle to transverse control arm	Stage 1	Nm	50	50
		Stage 2	°	45	45

 Front axle brake caliper

Number	Designation		Model 205	Model 253
BA42.10-P-1002-10W	Bolt, brake wear sensor to brake caliper	Nm	8	8

 Frame floor assembly

Number	Designation		Model 205
BA61.10-P-1006-01L	Bolt, front diagonal strut to front axle carrier/torsion bar bearing shell/radiator mounting console	Nm	50

 Frame floor assembly

Number	Designation		Model 205
BA61.10-P-1007-01L	Bolt, front diagonal strut to longitudinal member	Nm	50

 Air conditioning

Number	Designation		Model 205	Model 253
BA83.30-P-1002-01Q	Nut, line to condenser	Nm	12	12

205 589 00 61 00

Engine hoist

129 589 01 21 00

Retainer device

000 589 93 63 00

Assembly tool

240 589 00 61 00

Engine lifting device

129 589 00 91 00

Record plug

240 589 00 32 00

Adaptation plates

240 589 01 31 00

Adapter kit

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