Remove/install engine with front axle carrier - AR01.10-P-2500SW

ENGINES 272.975 in MODEL 221.08/18 

ENGINES 273.924/968 in MODEL 221.08/18 

ENGINES 273.968 in MODEL 216.38 

Fig 1: Identifying Engine With Front Axle Carrier Remove/Install Components (1 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Engine With Front Axle Carrier Remove/Install Components (2 Of 3)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Engine With Front Axle Carrier Remove/Install Components (3 Of 3)

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on AIRmatic		AH32.22-P-1000-02SX
		Only tighten nuts and bolts of chassis components when vehicle is in a ready-to-drive condition.
1	Set DIRECT SELECT gear selector switch to position "N" and release parking brake
2	Reduce pressure in front suspension struts to zero using STAR DIAGNOSIS
3	Deactivate easy entry/exit function	Vehicles with memory package (driver seat, steering column, mirrors) code 275	AR54.30-P-1000-02ESX
4	Move front wheels to straight-ahead position and secure steering wheel.	The steering wheel must not be turned when the steering coupling is detached, otherwise the clock spring contact will be destroyed.
			Figure
5	Secure vehicle on vehicle lift		AR00.60-P-0100SX
6	Remove air filter housing		AR09.10-P-1150SX
7	Suction refrigerant out of air conditioning		AR83.30-P-1760SX
8	Pinch off engine wiring harness		AR01.00-P-2410SX
9	Detach purge line (4) from vacuum line (5)
10	Detach vacuum line (6) on resonance intake manifold
11	Empty power steering expansion reservoir		Fig 6
12	Open hose clamps (2) and detach hoses (3a) from return lines (3b)	Seal lines.
			Fig 4
13	Unscrew nuts (1a) and remove return lines (3b) from longitudinal member		*BA46.30-P-1011-01F
14	Detach refrigerant line at separation point (20)		Figure
15	Remove nut (1b) and detach refrigerant line (16) from fluid reservoir (16a)		*BA83.55-P-1002-01M
16	Drain coolant at radiator		AR20.00-P-1142SX
17	Detach oil cooler lines from automatic transmission on radiator		AR27.55-P-0600SYZ
18	Remove bolt (33a), open clamp (33b) and remove coolant pipe (33)	Engine 273
		See "Disconnect Henn coupling".	AR09.41-P-1311-01AL
19	Detach coolant line (32b) from coolant pump (34)	See "Disconnect Henn coupling".	AR09.41-P-1311-01AL
20	Remove coolant line (32c) from heating system shutoff valve	See "Disconnect Henn coupling".	AR09.41-P-1311-01AL
21	Remove catalytic converter or front exhaust system		AR49.10-P-7100SX
22	Disconnect steering coupling		AR46.10-P-8000SX
23	Detach propeller shaft (22) from transfer case	Introduce colored identification of propeller shaft position relative to transfer case output flange in order to reproduce installation position created at plant when installing since drive line vibrations can occur otherwise.	AR41.10-P-0050-02SX
		Mount propeller shaft on transfer case.	AR41.10-P-0050-07SX
			*BA41.10-P-1001-01H
24	Remove bracket (24)
25	Remove front wheels
	Remove/install wheels		AP40.10-P-4050SX
26	Disconnect electrical connector from rpm sensors, right front brake pad contact sensor and damping valve unit connector for front axle on left and right	Unclip electrical lines from brackets.	AR33.10-P-0100-06SX
27	Detach brake caliper from brake caliper support	Fix brake caliper with attached lines to upper transverse control arms using cable ties.	AR42.10-P-0070SX
28	Remove upper transverse control arm from steering knuckles		AR33.20-P-0500-01SX
			*BA33.20-P-1007-01M
			Figure
			Figure
29	Detach suspension struts from spring control arms		AR32.25-P-1017SYZ
30	Relieve fuel pressure		AR07.03-P-1460-01VA
			*BA07.03-P-1004-01B
			Fig 8
31	Remove fuel feed line (8) from fuel distributor rail (9)		*BA07.03-P-1001-01B
			Fig 4
32	Support front axle carrier using the lifting platform		AR01.10-P-2500-01A
33	Remove bolts (23a) of rear engine crossmember (23)	Model 216	*BA22.10-P-1007-03C
		Model 221	*BA22.10-P-1007-03D
34	Remove front axle carrier bolts from longitudinal member		AR33.10-P-0001SYZ
35	Lower engine-transmission unit with front axle carrier
36	Install in the reverse order
37	Fill power steering pump and bleed		AR46.30-P-0010SX
38	Perform wheel alignment check		AR40.20-P-0200SX
39	Read out fault memory using STAR DIAGNOSIS and erase if necessary
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
	Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
40	Carry out engine test run and check engine for proper operation and leaks

Fig 4: Identifying Set Of Stop Plugs (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Holding Device (129 589 01 21 00)

Courtesy of MERCEDES-BENZ USA

Fig 6: Identifying Hand Pump (210 589 00 71 00)

Courtesy of MERCEDES-BENZ USA

Fig 7: Identifying Detaching Tool (211 589 00 63 00)

Courtesy of MERCEDES-BENZ USA

Fig 8: Identifying Pressure Hose (119 589 04 63 00)

Courtesy of MERCEDES-BENZ USA

Fig 9: Identifying Puller (140 589 00 33 00)

Courtesy of MERCEDES-BENZ USA

Fig 10: Identifying Thrust Washer M 10X1.5 (210 589 04 63 00)

Courtesy of MERCEDES-BENZ USA