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

MODEL 217 with ENGINE 279

MODEL 222 with ENGINE 277, 279

MODIFICATION NOTES

11.7.14	Screw/bolt, reinforcement to firewall/longitudinal member/reinforcement, center	MODEL 222	BA62.25-P-1001-01B
11.7.14	Screw, stiffening on front wal/side member/stiffening center	MODEL 222	BA62.25-P-1001-01B

Fig 1: Engine With Front Axle Carrier Remove/Install Components (1 Of 7)

Courtesy of MERCEDES-BENZ USA

Fig 2: Engine With Front Axle Carrier Remove/Install Components (2 Of 7)

Courtesy of MERCEDES-BENZ USA

Fig 3: Engine With Front Axle Carrier Remove/Install Components (3 Of 7)

Courtesy of MERCEDES-BENZ USA

Fig 4: Engine With Front Axle Carrier Remove/Install Components (4 Of 7)

Courtesy of MERCEDES-BENZ USA

Fig 5: Engine With Front Axle Carrier Remove/Install Components (5 Of 7)

Courtesy of MERCEDES-BENZ USA

Fig 6: Engine With Front Axle Carrier Remove/Install Components (6 Of 7)

Courtesy of MERCEDES-BENZ USA

Fig 7: Engine With Front Axle Carrier Remove/Install Components (7 Of 7)

Courtesy of MERCEDES-BENZ USA

	Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contact with fuel.	No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
	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 to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning from swallowing hydraulic fluid.	Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses.	AS00.00-Z-0013-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on Active Body Control suspension		AH32.50-P-0001-01LF
	Remove/install
1	Set selector lever to position "N" and release parking brake
2	Turn front wheels to straight-ahead position and secure steering wheel with holding device	The steering wheel must not be turned when detaching steering coupling. Otherwise the clock spring contact will be destroyed. Retainer device	Figure
3	Disconnect battery ground line		AR54.10-P-0003LF
	Notes on battery		AH54.10-P-0001-01A
4	Remove air filter housing on the left and right	Model 217 with engine 279 except code 460 (Canada version) except code 494 (US version) Model 222 with engine 277, 279 except code 460 (Canada version) except code 494 (US version)	AR09.10-P-1150MUB
5	Suction refrigerant out of air conditioning		AR83.30-P-1760LF
6	Drain coolant of the low-temperature circuit		AR09.41-P-6834MUB
7	Drain coolant at engine radiator		AR20.00-P-1142LF
8	Remove left and right front armor plate	Model 222 with engine 277, 279 with code Z07 (Top protection)	AR61.40-P-1001LFS
9	Remove left and right catalytic converter		AR49.10-P-7100LF
10	Remove right part of the firewall
11	Disconnect electrical connections (1, 2, 3)
12	Unclip bracket (4) and place to one side
13	Remove screw/bolts (5)	Bolt, reinforcement to firewall/longitudinal member/reinforcement, center	*BA62.25-P-1001-01B
14	Remove triangular strut (6)
15	Disconnect electrical connections (7, 8) on ME-SFI [ME] control unit		AR07.08-P-7008MUB
16	Disconnect Electrical connections (9, 10, 11, 12)
17	Detach electrical lines (13, 14)
18	Remove engine wiring harness upwards and place to one side
19	Detach coolant hose (15)
20	Detach vacuum line (16) from firewall and place to one side
21	Detach purge line (17) on check valve (18) and place to one side
22	Detach coolant hose (19) at the coolant pipe (20)
23	Detach coolant hose (21) at the left coolant pipe
24	Pull out coolant hose (22)
25	Detach bleed hose (23) from coolant pipe (24) and place to one side
26	Relieve fuel pressure over diagnostic socket		AR07.03-P-1460-01MUB
27	Disconnect fuel hose (26) at fuel line (25) and close off openings using grommets	Union nut, fuel hose to fuel line	*BA07.03-P-1004-01G
		Record plug	Figure
28	Unclip hydraulic oil hose (27)	Clamp	Fig 14
29	Detach hydraulic oil hose (27) at radial piston pump
30	Remove screw/bolt (28)	Bolt/nut, refrigerant line to inner heat exchanger	*BA83.30-P-1004-01P
31	Detach refrigerant line (29) and close off openings with grommets	Install new sealing rings. Record plug	Figure
32	Disconnect electrical connection (30)
33	Secure vehicle on the lifting platform and raise	Vehicle hoist securing tool	Figure
34	Detach coolant hose (31) from coolant circulation pump (/32)
35	Secure radiator against falling down
	Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
36	Detach oil hoses from engine oil cooler		AR18.30-P-1000MUB
37	Unscrew nut (33)	Nut, hot gas line to condenser	*BA83.30-P-1008-01P
38	Remove refrigerant line (34) from condenser and close off openings with grommets	Install new sealing rings. Record plug	Figure
39	Detach oil lines on oil cooler for A/T and close off openings with grommets		AR27.55-P-0600LFC
		Record plug	Figure
40	Detach wheel-and-tire assembly at the front
			AP40.10-P-4050HA
41	Remove front fender liner		AR88.10-P-1300LF
42	Vent pressure in the ABC system using the diagnostic system
			AD00.00-P-2000-04B
		Engine 277, 279 in model 217, 222 with code 487 (Active Body Control (ABC))	AR32.50-P-0001-01LF
43	Detach pressure lines (35, 36) at valve unit	Engine 277, 279 in model 217, 222 with code 487 (Active Body Control (ABC))	AR32.50-P-0001LF
44	Detach coolant hose from coolant pump
45	Disconnect electrical connections (37, 38, 39) on actuator motor of the electric power steering
46	Unclip subharness (40) on front axle carrier (41) and place to one side
47	Disconnect steering coupling	Model 217 with engine 279 Model 222 as of 4/30/14 with engine 277, 279	AR46.10-P-8000LW
		Model 222 up to 4/29/14 with engine 277, 279	AR46.10-P-8000RK
48	Unscrew nuts (42)
49	Remove bracket (43)
50	Detach ground line (44) on frame floor assembly	Model 217 with engine 279 Left transmission tunnel ground point	*BA00.19-P-1026-01J
		Model 222 with engine 277, 279 Left transmission tunnel ground point	*BA00.19-P-1034-01C
51	Detach suspension struts from spring control arms	Engine 277, 279 in model 217, 222 with code 487 (Active Body Control (ABC))	AR32.25-P-1017LFA
52	Remove front axle rpm sensors and expose electrical lines		AR42.30-P-0712LF
53	Remove front axle brake caliper and fix in place on vehicle with the attached brake lines	The brake linings remain in the brake calipers.	AR42.10-P-0070LF
54	Disconnect upper ball joint transverse control arm at steering knuckles		AR33.20-P-0500LF
		Nut, steering knuckle to transverse control arm	*BA33.20-P-1006-01T
55	Remove screw/bolts (45) at fastening console (46)	Bolt/nut, front mounting console to front axle carrier	*BA33.10-P-1003-01P
56	Remove fastening console (46)
57	Support front axle carrier (41) using lifting platform		AR01.10-P-2500-01A
58	Remove engine crossmember with rear engine mount on frame floor assembly		AR22.10-P-1180LF
59	Detach drive shaft from transmission output flange		AR41.10-P-0050LF
60	Remove screw/bolts (47) on front axle carrier (41)	Screw/bolt, front axle carrier at front to longitudinal member	*BA33.10-P-1001-01P
61	Remove screw/bolts (48)	Bolt, rear mounting console to longitudinal member	*BA33.10-P-1005-01P
62	Lower engine transmission unit
63	Install in the reverse order
64	Fill and bleed ABC system	Engine 277, 279 in model 217, 222 with code 487 (Active Body Control (ABC))	AR32.50-P-0021SX
65	Pour in coolant and ventilate engine cooling system		AR20.00-P-1142-04A
		Test cap	Fig 9
		Electric vacuum pump	Fig 11
		NTKL Adaption	Fig 12
		Cooler vacuum filling device	Fig 13
66	Charging and venting air from low-temperature circuit		AR20.00-P-1142-04A
		Test cap	Fig 9
		Cooler vacuum filling device	Fig 13
		NTKL Adaption	Fig 12
		Electric vacuum pump	Fig 11
67	Perform wheel alignment check		AR40.20-P-0200LF
68	Read out fault memory and clear if necessary
			AD00.00-P-2000-04B
	Check
	Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
69	Conduct engine test run while checking for proper operation of the engine

GROUND POINTS

Number	Designation			Model 217
BA00.19-P-1026-01J	Left transmission tunnel ground point	W83	Nm	10

GROUND POINTS

Number	Designation			Model 222
BA00.19-P-1034-01C	Left transmission tunnel ground point	W83	Nm	10

INJECTION NOZZLES, INJECTION VALVES, FUEL LINES

Number	Designation		ENGINE 277	ENGINE 279
BA07.03-P-1004-01G	Union nut, fuel hose to fuel line	Nm	24	24

FRONT AXLE CARRIER

Number	Designation				Model 217	MODEL 222 except CODE Z07
BA33.10-P-1001-01P	Screw/bolt, front axle carrier at front to longitudinal member	Stage 1		Nm	140	140
		Stage 2	Loosen	∠°	-	-
		Stage 3		Nm	-	-
		Stage 4		∠°	-	-

FRONT AXLE CARRIER

Number	Designation				MODEL 222 with CODE Z07
BA33.10-P-1001-01P	Screw/bolt, front axle carrier at front to longitudinal member	Stage 1		Nm	100
		Stage 2	Loosen	∠°	-180
		Stage 3		Nm	140
		Stage 4		∠°	45

FRONT AXLE CARRIER

Number	Designation		Model 217	MODEL 222 except CODE Z07
BA33.10-P-1003-01P	Bolt/nut, front mounting console to front axle carrier	Nm	20	20

FRONT AXLE CARRIER

Number	Designation		MODEL 222 with CODE Z07
BA33.10-P-1003-01P	Bolt/nut, front mounting console to front axle carrier	Nm	20

FRONT AXLE CARRIER

Number	Designation		Model 217	MODEL 222 except CODE Z07
BA33.10-P-1005-01P	Bolt, rear mounting console to longitudinal member	Nm	50	50

FRONT AXLE CARRIER

Number	Designation		MODEL 222 with CODE Z07
BA33.10-P-1005-01P	Bolt, rear mounting console to longitudinal member	Nm	50

WHEEL CONTROL, HUB

Number	Designation		Model 217	MODEL 222 except CODEZ07
BA33.20-P-1006-01T	Nut, steering knuckle to transverse control arm	Nm	65	65

WHEEL CONTROL, HUB

Number	Designation		MODEL 222 with CODE Z07
BA33.20-P-1006-01T	Nut, steering knuckle to transverse control arm	Nm	65

FIREWALL

Number	Designation			Model 217	Model 222
BA62.25-P-1001-01B	Bolt, reinforcement to firewall/longitudinal member/reinforcement, center	M6	Nm	9	9
BA62.25-P-1001-01B		M8	Nm	23	23

AIR CONDITIONING

Number	Designation			Model 217	Model 222
BA83.30-P-1004-01P	Bolt/nut, refrigerant line to inner heat exchanger	M6	Nm	12	12
BA83.30-P-1004-01P	Bolt/nut, refrigerant line to inner heat exchanger	M8	Nm	20	20