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

Transmission 725.0 in model 205 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive) 

Transmission 725.0 in model 253 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive) 

Courtesy of MERCEDES-BENZ USA

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
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
	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.		AR09.41-P-6819MMV
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 oil lines from transmission (1) and oil pan.		AR27.55-P-0600LWX
8	Lower raised engine.
9	Remove propeller shaft from front axle differential.	Transmission 725.0 in model 253 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0070LW
		Transmission 725.0 in model 205 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0070LWA
10	Support transmission (1) with major-assembly support and mounting plate and strap down securely.	Transmission 725.0 in model 253 with engine 276.8 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
11	Remove rear engine crossmember from underbody.	Transmission 725.0 in model 253 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive)
		Never use an impact wrench or compressed-air tool to remove the screws! Otherwise the consequence is damage to the thread.	AR22.10-P-4360LWB
12	Remove propeller shaft from output flange.	Transmission 725.0 in model 253 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0050LWX
13	Remove holders of catalytic converters from torque converter housing.
14	Disconnect ground line (2) from transmission (1).
15	Release and disconnect electrical connection on electric controller unit.
16	Remove electrical wiring harness from transmission (1).
17	Remove cover (4).
18	Remove torque converter (10) from drive plate (13).	Do not use an impact wrench or compressed-air tool for removal! Otherwise the consequence is damage to the threaded union (14) in the drive plate (13).	AR27.20-P-0001-01EWM
		Socket wrench bit	Fig 4
		Long wedge	Fig 3
19	Release starter wiring harness from transmission (1).
20	Remove starter from transmission (1), place to one side with connected lines and fasten.	Transmission 725.0 in model 205 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100MMV
		Transmission 725.0 in model 253 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100MMX
21	Remove screws (19).
22	Remove transmission (1) with torque converter (10).	Secure the torque converter (10) to prevent it from dropping down. Damage will otherwise occur.
23	Remove torque converter (10).	If necessary.	AR27.20-P-0500-01EWM
		Assembly device	Fig 2
24	Remove corrosion from crankshaft.		AR03.20-P-1000-01A
		Multi-purpose paste	*BR00.45-Z-1009-06A
		Assembly cleaner	*BR00.45-Z-1028-04A
25	Check threaded unions (14) in drive plate (13).	If damaged or loose threaded unions (14) are present: ↓ Install a new clutch plate (13).
			AR03.30-P-8001MMV
	Install
26	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 2
		Parallel rest	Fig 1
27	Install transmission (1).	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).
28	Screw in screws (19).	Screw/bolt, transmission to engine	*BA27.10-P-1001-04H
29	Release mounting of starter and mount starter onto transmission (1).	Transmission 725.0 in model 205 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100MMV
		Transmission 725.0 in model 253 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100MMX
30	Fasten starter wiring harness to transmission (1).
31	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 consequence is damage to the threaded union (14) in the drive plate (13).
		Bolt, torque converter to drive plate/star-shaped drive plates	*BA27.20-P-1001-01D
		Socket wrench bit	Fig 4
32	Install cover (4).
33	Mount electrical wiring harness onto transmission (1).
34	Assemble and lock electrical connector at electric controller unit.
35	Connect ground line (2) to transmission (1).	Bolt, ground line to transmission housing	*BA27.10-P-1024-04H
36	Attach holders of catalytic converters to torque converter housing.	Screw/bolt, catalytic converter/diesel particulate filter bracket to bell housing/engine	*BA49.10-P-1014-02A
37	Attach propeller shaft to output flange.	Transmission 725.0 in model 253 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0050LWX
38	Mount rear engine crossmember onto underbody.	Transmission 725.0 in model 253 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive) Never use an impact wrench or compressed-air tool to screw in the screws! Otherwise the consequence is damage to the thread.	AR22.10-P-4360LWB
39	Unfasten strapping from transmission (1) and lower major-assembly support and mounting plate.	Transmission 725.0 in model 253 with engine 276.8 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
40	Install propeller shaft for front axle differential.	Transmission 725.0 in model 253 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0070LW
		Transmission 725.0 in model 205 with engine 276.8 with code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0070LWA
41	Raise engine with engine mounts until it is possible to attach oil lines.
42	Attach oil lines.	Replace seals.	AR27.55-P-0600LWX
43	Install the charge air cooler.		AR09.41-P-6819MMV
44	Connect ground line to battery.		AR54.10-P-0003LW
45	Check and correct transmission oil level.		AR27.00-P-0270EWN
46	Read out and delete fault memory.
			AD00.00-P-2000-04B
47	Perform transmission adaptation with vehicle diagnosis system.	After replacement or repair of transmission (1).
			AD00.00-P-2000-04B
48	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
49	Perform engine test run and check transmission (1) for leak tightness and proper operation.
50	Install center and rear lower engine compartment lining.		AR61.20-P-1105LW
51	Disconnect vehicle from vehicle lift.		AR00.60-P-0100CW

Fig 1: Identifying Parallel Rest (126 589 04 31 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Assembly Device (725 589 01 31 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Socket Wrench Bit (001 589 65 09 00)

Courtesy of MERCEDES-BENZ USA