Remove/Install Transmission With Torque Converter - AR27.10-P-0500LWX

Transmission 725.0 in model 205, 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive)

Transmission 725.0 in model 205, 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)

Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive)

Fig 1: Automatic Transmission Components Location - Transmission 725.0 In Model 205 With Engines 274 & 276.8 With Code M005

Courtesy of MERCEDES-BENZ USA

Fig 2: Torque Converter Components Location - Transmission 725.0 In Model 205 With Engines 274 & 276.8

Courtesy of MERCEDES-BENZ USA

	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 and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil	Wear protective gloves, protective clothing and safety glasses. Do not pour transmission oil into beverage bottles.	AS00.40-Z-0001-01A
	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
	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
	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on automatic transmission		AH27.19-P-0001-01NKB
	Remove
1	Shift the transmission (1) into neutral position.
2	Release parking brake.
3	Disconnect ground line from battery.		AR54.10-P-0003LW
4	Remove charge air cooler and place to one side with attached coolant lines.	Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR09.41-P-6817OGW
5	Secure vehicle on vehicle lift.		AR00.60-P-0100CW
6	Remove center and rear lower engine compartment lining.		AR61.20-P-1105LW
7	Remove propeller shaft of front axle differential.	Transmission 725.0 in model 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0070LW
		Transmission 725.0 in model 205 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0070LWA
8	Remove holder of diesel particulate filter from transmission (1).	Transmission 725.0 in model 205, 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)
9	Disconnect ground line (2) from transmission (1).
10	Release and disconnect electrical connection on electric controller unit.
11	Remove electrical wiring harness from transmission (1).
12	Remove oil lines from transmission (1) and oil pan.		AR27.55-P-0600LW
13	Remove cover (4).
14	Remove torque converter (10) from drive plate (13).		AR27.20-P-0001-01EWM
		Do not use an impact wrench or compressed-air tool to unscrew the screws! Otherwise, the threaded unions (14) in the drive plate (13) may be damaged.
		Socket wrench bit	Fig 6
		Long wedge	Fig 5
15	Release starter wiring harness from transmission (1).
16	Remove starter from transmission (1), place to one side with connected lines and fasten.	Transmission 725.0 in model 205, 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100LWA
		Transmission 725.0 in model 205 (except 205.012/212), 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100LWB
		Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100OGY
17	Support transmission (1) with major-assembly support and mounting plate and strap down securely.	Transmission 725.0 in model 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)
	000 588 10 62 00 Support plate		WS26.00-P-3309B
	000 588 11 62 00 Major assembly mount		WS01.00-P-0092B
18	Remove rear engine crossmember from underbody.	Transmission 725.0 in model 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR22.10-P-4360LWB
		Never use an impact wrench or compressed-air tool to remove the screws! Otherwise, the threads may be damaged.
19	Remove propeller shaft from output flange.	Transmission 725.0 in model 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0050LWX
20	Remove screws (19).
21	Remove transmission (1) with torque converter (10).	Secure the torque converter (10) to prevent it from dropping down. Damage will otherwise occur.
22	Remove torque converter (10).	If necessary.	AR27.20-P-0500-01EWM
		Assembly device	Fig 4
23	Remove corrosion from crankshaft.		AR03.20-P-1000-01A
		Multi-purpose paste	*BR00.45-Z-1009-06A
		Assembly cleaner	*BR00.45-Z-1028-04A
24	Check threaded unions (14) in drive plate (13).	If damaged or loose threaded unions (14) are present: ↓ Install a new clutch plate (13).
		Transmission 725.0 in model 205, 253 with engine 274	AR03.30-P-8001MRA
		with code M005 (Vehicles with 4MATIC/all-wheel drive)
		Transmission 725.0 in model 205, 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR03.30-P-8001OLD
		Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR03.30-P-8001OGW
	Install
25	Insert torque converter (10).	After removing the torque converter (10).
			AR27.20-P-0500-01EWM
		Grease, silicone-based, 100 g	*BR00.45-Z-1008-06A
		Assembly device	Fig 4
		Parallel rest	Fig 3
26	Install transmission (1) with torque converter (10).	Secure torque converter (10) against falling out. Damage will otherwise occur. While doing so, align the bores of the torque converter (10) with the threaded unions (14) in the drive plate (13).
27	Screw in screws (19).	Screw/bolt, transmission to engine	*BA27.10-P-1001-04H
28	Attach propeller shaft to output flange.	Transmission 725.0 in model 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0050LWX
29	Attach rear engine crossmember to underbody.	Transmission 725.0 in model 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR22.10-P-4360LWB
		Never use an impact wrench or compressed-air tool to screw in the screws! Otherwise, the threads may be damaged.
30	Unfasten strapping from transmission (1) and lower major-assembly support and mounting plate.	Transmission 725.0 in model 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)
	000 588 10 62 00 Support plate		WS26.00-P-3309B
	000 588 11 62 00 Major assembly mount		WS01.00-P-0092B
31	Release mounting of starter and mount starter onto transmission (1).	Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100OGY
		Transmission 725.0 in model 205, 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100LWA
		Transmission 725.0 in model 205 (except 205.012/212), 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100LWB
32	Fasten starter wiring harness to transmission (1).
33	Mount torque converter (10) onto drive plate (13).		AR27.20-P-0001-01EWM
		Never use an impact wrenches or compressed air tools when screwing-in the bolts. Otherwise, the threaded unions (14) in the drive plate (13) may be damaged.
		Bolt, torque converter to drive plate/star-shaped drive plates	*BA27.20-P-1001-01D
		Socket wrench bit	Fig 6
34	Install cover (4).
35	Attach oil lines at transmission (1) and oil pan.	Replace seals.	AR27.55-P-0600LW
36	Attach electrical wiring harness to transmission (1).
37	Assemble and lock electrical connector at electric controller unit.
38	Connect ground line (2) to transmission (1).	Bolt, ground line to transmission housing	*BA27.10-P-1024-04H
39	Install holder of diesel particulate filter at transmission (1).	Transmission 725.0 in model 205, 253 with engine 651
		with code M005 (Vehicles with 4MATIC/all-wheel drive)
		Screw/bolt, catalytic converter/diesel particulate filter bracket to bell housing/engine	*BA49.10-P-1014-02A
40	Install propeller shaft of front axle differential.	Transmission 725.0 in model 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0070LW
		Transmission 725.0 in model 205 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0070LWA
41	Install the charge air cooler.	Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR09.41-P-6817OGW
42	Connect ground line to battery.		AR54.10-P-0003LW
43	Check and correct transmission oil level.	Transmission 725.0 (except 725.017/047) in model 205 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 (except 725.047) in model 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205, 253 with engine 651 with code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 with engine 642 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR27.00-P-0270EWN
		Transmission 725.047 in model 205, 253 with engine 274 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR27.00-P-0270EWH
44	Read out and delete fault memory.
			AD00.00-P-2000-04B
45	Perform transmission adaptation with vehicle diagnosis system.	After replacement or repair of transmission (1).
			AD00.00-P-2000-04B
46	Reset data on service life of torque converter lockup clutch with the vehicle diagnosis system	After replacement of torque converter (10).
			AD00.00-P-2000-04B
	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
47	Perform engine test run and check transmission (1) for proper operation and leak tightness.
48	Install center and rear lower engine compartment lining.		AR61.20-P-1105LW
49	Disconnect vehicle from vehicle lift.		AR00.60-P-0100CW

AUTOMATIC TRANSMISSION COMPLETE

Number	Designation		Transmission 725.0
BA27.10-P-1001-04H	Screw/bolt, transmission to engine	Nm	39

AUTOMATIC TRANSMISSION COMPLETE

Number	Designation		Transmission 725.0
BA27.10-P-1024-04H	Bolt, ground line to transmission housing	Nm	20

TORQUE CONVERTER

Number	Designation				Transmission 725.0
BA27.20-P-1001-01D	Bolt, torque converter to drive plate/star-shaped drive plates	Angled threaded connection	Stage 1	Nm	3
			Stage 2	Nm	30
			Stage 3	∠°	90

EXHAUST SYSTEM

Number	Designation			Engine 651 in model 205	Engine 651 in model 253
BA49.10-P-1014-02A	Screw/bolt, catalytic converter/diesel particulate filter bracket to bell housing/engine	M8	Nm	20	20
BA49.10-P-1014-02A		M10	Nm	-	-

Fig 3: Identifying Parallel Rest (126 589 04 31 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Assembly Device (725 589 01 31 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA

Fig 6: Identifying Socket Wrench Bit (001 589 65 09 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1008-06A	Grease, silicone-based, 100 g	A 001 989 28 51
BR00.45-Z-1009-06A	Multi-purpose paste	A 000 989 80 51
BR00.45-Z-1028-04A	Assembly cleaner	Adolf Wurth GmbH & Co. KG