Remove/install oil lines of oil cooling for automatic transmission - AR27.55-P-0600EV

TRANSMISSION 722.9 (except 722.96/97) in MODEL 218 

TRANSMISSION 722.9 (except 722.96/97/995) in MODEL 212 

TRANSMISSION 722.9 (except 722.96/995) in MODEL 207 

Shown on MODEL 212.072 

Fig 1: Identifying Oil Lines Of Oil Cooling For Automatic Transmission Components - Shown On Model 212.072

Courtesy of MERCEDES-BENZ USA

Shown on engine 642 

Fig 2: Identifying Oil Lines Of Oil Cooling For Automatic Transmission Components - Shown On Engine 642 (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Oil Lines Of Oil Cooling For Automatic Transmission Components - Shown On Engine 642 (2 Of 2)

Courtesy of MERCEDES-BENZ USA

Shown on engine 272 

Fig 4: Identifying Oil Lines Of Oil Cooling For Automatic Transmission Components - Shown On Engine 272

Courtesy of MERCEDES-BENZ USA

Shown on engine 651 

	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
	Remove/install
	Right oil cooling line (return) (1r) and left oil cooling line (feed) (1z)
1.1	Remove bottom section of soundproofing	ENGINE 642, 651
			AR94.30-P-5300EW
1.2	Detach lower engine compartment paneling	ENGINE 156, 157, 271, 272, 273, 276, 278
			AR61.20-P-1105EW
2	Loosen rack-and-pinion steering from front axle carrier and lower	MODEL 212 with TRANSMISSION 722.908/996 MODEL 212 with TRANSMISSION 722.908/996 with CODE 211 (Direct-Steer system)	AR46.20-P-0600EL
		MODEL 212 with TRANSMISSION 722.908/996 without CODE 211 (Direct-Steer system) Support rack-and-pinion steering against falling down. Otherwise the tie rods may be damaged.	AR46.20-P-0600EW
		Fastening, rack-and-pinion steering to front axle carrier	*BA46.20-P-1001-01N
3	Detach torsion bar from front axle carrier and lower	MODEL 212 with TRANSMISSION 722.908/996
			AR32.20-P-0300EW
		Prop up torsion bar and secure against falling down. Otherwise the torsion bar linkage may be damaged.
		Bolt, torsion bar to front axle carrier	*BA32.20-P-1003-02P
	Clean
4	Thoroughly clean area around oil cooling lines (1r, 1z) at separation points on transmission (6)	Clean thoroughly. Even the smallest dirt particles in the hydraulic components can lead to malfunctions and a total failure of the hydraulic system.
5.1	Disconnect oil cooling lines (1r, 1z) at front separating point (8)	MODEL 207 with ENGINE 276.9 with TRANSMISSION 722.9 (except 722.96/995) MODEL 212 with TRANSMISSION 722.9 (except 722.908/96/97/995/996) MODEL 218 with TRANSMISSION 722.9 (except 722.96/97) Do not kink or bend the oil cooling lines (1r, 1z). Otherwise leaks and damage may occur. Collect escaping gear oil and seal the line connection fittings.
		Record plug	Figure
5.2	Detach oil cooling lines (1r, 1z) at bottom from oil cooler thermostat (9)	MODEL 207 with ENGINE 276.8 with TRANSMISSION 722.9 (except 722.96/995)
			AR27.55-P-1000ELA
		Do not kink or bend the oil cooling lines (1r, 1z). Otherwise leaks and damage may occur. Collect escaping gear oil and seal the line connection fittings.
		Record plug	Figure
5.3	Detach oil cooling lines (1r, 1z) from batch oil cooler (13)	MODEL 212 with TRANSMISSION 722.908/996
			AR27.10-P-0501-03CW
		Do not kink or bend the oil cooling lines (1r, 1z). Otherwise leaks and damage may occur. Collect escaping gear oil and seal the line connection fittings.
		Record plug	Figure
6	Detach retaining clamps (4) from oil pan (7)	Bolt, oil line from oil cooler to engine oil pan	*BA27.55-P-1003-01D
7	Detach double clamps (12) from oil cooling lines (1r, 1z)	MODEL 212 with TRANSMISSION 722.908/996
		Bolt, clamp for oil line from oil cooler to bracket	*BA27.55-P-1005-01D
8	Detach oil cooling lines (1r, 1z) from A/C compressor bracket	MODEL 207 with ENGINE 276.8 with TRANSMISSION 722.9 (except 722.96/995)
		Bolt, clamp for oil line from oil cooler to bracket	*BA27.55-P-1005-01D
9	Remove left bracket between catalytic converter and transmission (6)	ENGINE 276 When removing the left oil cooling line (1z).
10	Remove heat shield	MODEL 212 with TRANSMISSION 722.9 (except 722.908/96/97/995/996) MODEL 218 with TRANSMISSION 722.9 (except 722.96/97)
			AR27.40-P-0700-01EW
11	Remove right catalytic converter	MODEL 207 with ENGINE 278 with TRANSMISSION 722.9 (except 722.96/995) MODEL 212 with ENGINE 278 with TRANSMISSION 722.9 (except 722.96/97/995) MODEL 218 with ENGINE 278 with TRANSMISSION 722.9 (except 722.96/97)
12	Remove bolts (11) and pull oil cooling lines (1r, 1z) out of transmission (6)	Do not kink or bend the oil cooling lines (1r, 1z). Otherwise leaks and damage may occur. Replace O-rings. Collect escaping gear oil and seal the line connection fittings.
		Bolt, transmission oil line to transmission housing	*BA27.55-P-1002-01D
		Record plug	Figure
		Record plug	Figure
13.1	Remove oil cooling lines (1r, 1z) to rear	MODEL 207 with ENGINE 271 with TRANSMISSION 722.9 (except 722.96/995) MODEL 207 with ENGINE 272 with TRANSMISSION 722.9 (except 722.96/995) MODEL 207 with ENGINE 273 with TRANSMISSION 722.9 (except 722.96/995) MODEL 207 with ENGINE 276 with TRANSMISSION 722.9 (except 722.96/995) MODEL 207 with ENGINE 642 with TRANSMISSION 722.9 (except 722.96/995) MODEL 207 with ENGINE 651 with TRANSMISSION 722.9 (except 722.96/995) MODEL 212 with ENGINE 156 with TRANSMISSION 722.9 (except 722.96/97/995) MODEL 212 with ENGINE 157 with TRANSMISSION 722.9 (except 722.96/97/995) MODEL 212 with ENGINE 271 with TRANSMISSION 722.9 (except 722.96/97/995) MODEL 212 with ENGINE 272 with TRANSMISSION 722.9 (except 722.96/97/995) MODEL 212 with ENGINE 273 with TRANSMISSION 722.9 (except 722.96/97/995) MODEL 212 with ENGINE 276 with TRANSMISSION 722.9 (except 722.96/97/995) MODEL 212 with ENGINE 642 with TRANSMISSION 722.9 (except 722.96/97/995) MODEL 212 with ENGINE 651 with TRANSMISSION 722.9 (except 722.96/97/995) MODEL 218 with ENGINE 157 with TRANSMISSION 722.9 (except 722.96/97) MODEL 218 with ENGINE 276 with TRANSMISSION 722.9 (except 722.96/97) MODEL 218 with ENGINE 642 with TRANSMISSION 722.9 (except 722.96/97) MODEL 218 with ENGINE 651 with TRANSMISSION 722.9 (except 722.96/97) Do not kink or bend the oil cooling lines (1r, 1z). Otherwise leaks and damage may occur. TRANSMISSION 722.908/996 in MODEL 212 First, remove the left oil cooling line (1z) and then the right oil cooling line (1r).
13.2	Remove right oil cooling line (1r) to the front	MODEL 207 with ENGINE 278 with TRANSMISSION 722.9 (except 722.96/995) MODEL 212 with ENGINE 278 with TRANSMISSION 722.9 (except 722.96/97/995) MODEL 218 with ENGINE 278 with TRANSMISSION 722.9 (except 722.96/97) Do not kink or bend oil cooling line (1r). Otherwise leaks and damage may occur.
14	Remove left oil cooling line (1z) to the rear	MODEL 207 with ENGINE 278 with TRANSMISSION 722.9 (except 722.96/995) MODEL 212 with ENGINE 278 with TRANSMISSION 722.9 (except 722.96/97/995) MODEL 218 with ENGINE 278 with TRANSMISSION 722.9 (except 722.96/97) Do not kink or bend oil cooling line (1z). Otherwise leaks and damage may occur.
15	Install in the reverse order
	Oil cooling line (feed) (2z) or oil cooling lines (return flow) (2r, 3r) (ENGINE 272, 273, 642)
16.1	Remove bottom section of soundproofing	ENGINE 642
			AR94.30-P-5300EW
16.2	Detach lower engine compartment paneling	ENGINE 272, 273
			AR61.20-P-1105EW
17	Detach oil cooling lines (2r, 2z) from front connecting points (8) and oil cooling line (3r) on front connecting point, and pull out		AR27.10-P-0501-03CW
		Do not kink or bend the oil cooling lines (2r, 2z, 3r). Otherwise leaks and damage may occur. Collect escaping gear oil and seal the line connection fittings.
		Record plug	Figure
18	Detach double clamp (2)
19	Detach oil cooling line (2z) from radiator (5), pull out and remove		AR27.10-P-0501-03CW
		Do not kink or bend oil cooling line (2z). Otherwise leaks and damage may occur. Collect escaping gear oil and seal the line connection fittings.
		Record plug	Figure
20	Remove radiator grille	Model 212 with engine 273, 642	AR88.40-P-4001EW
		Model 207 with engine 273, 642	AR88.40-P-4001EC
21.1	Detach oil cooling line (2r) from radiator (5), pull out and remove	ENGINE 272
			AR27.10-P-0501-03CW
		Do not kink or bend oil cooling line (2r). Otherwise leaks and damage may occur. Collect escaping gear oil and seal the line connection fittings.
		Record plug	Figure
21.2	Detach oil cooling line (3r) from oil cooler (9) and pull out	ENGINE 273, 642
			AR27.10-P-0501-03CW
		Do not kink or bend oil cooling line (3r). Otherwise leaks and damage may occur. Collect escaping gear oil and seal the line connection fittings.
		Record plug	Figure
22.1	Unclip center air duct segment at top on cooler (5)	ENGINE 273
22.2	Remove charge air cooler	ENGINE 642
			AR09.41-P-6817CW
23	Remove oil cooling line (3r)	ENGINE 273, 642 Do not kink or bend oil cooling line (3r). Otherwise leaks and damage may occur.
24	Install in the reverse order
	Intermediate oil cooling line (3) (Engine 273, 642)
25	Remove radiator grille	MODEL 212 with TRANSMISSION 722.9 (except 722.96/97/995) up to model year 2014	AR88.40-P-4001EW
		MODEL 207 with TRANSMISSION 722.9 (except 722.96/995)	AR88.40-P-4001EC
26	Remove middle reinforcement at the front	MODEL 207 with ENGINE 642 with TRANSMISSION 722.9 (except 722.96/995) MODEL 212 with ENGINE 642 with TRANSMISSION 722.9 (except 722.96/97/995)	AR62.30-P-1570EW
		MODEL 218 with ENGINE 642 with TRANSMISSION 722.9 (except 722.96/97)	AR62.30-P-1570EL
27	Remove right engine intake air duct	ENGINE 642
28	Unclip air duct segment from fan unit	ENGINE 642
29	Detach intermediate oil cooling line (3) from oil cooler (9) and pull out		AR27.10-P-0501-03CW
		Do not kink or bend intermediate oil cooling line (3). Otherwise leaks and damage may occur. Collect escaping gear oil and seal the line connection fittings.
		Record plug	Figure
30	Detach lower engine compartment paneling	MODEL 207, 212 with ENGINE 273
			AR61.20-P-1105EW
31	Disconnect intermediate oil cooling line (3) from radiator (5) and pull out	Do not kink or bend intermediate oil cooling line (3). Otherwise leaks and damage may occur. Collect escaping gear oil and seal the line connection fittings.
		Record plug	Figure
32	Unclip center cooling duct from radiator (5)
33	Remove intermediate oil cooling line (3)	Do not kink or bend intermediate oil cooling line (3). Otherwise leaks and damage may occur.
34	Install in the reverse order
	Check
35	Check and correct transmission oil level		AR27.00-P-0270W
	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
36	Test run engine and check transmission (6) for leaktightness and proper operation

Fig 5: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA