Remove/install rear-wheel drive module - AR01.00-P-3060MCU

ENGINES 132.910 in MODEL 451.3/4 

Fig 1: Identifying Rear-Wheel Drive Module Remove/Install Components

Courtesy of MERCEDES-BENZ USA

Shown on vehicles up to production date 2.6.08 with code (I01) Plus air conditioning 

Fig 2: Identifying Rear-Wheel Drive Module Remove/Install Components - Shown On Vehicles Up To Production Date 2.6.08 With Code (I01)

Courtesy of MERCEDES-BENZ USA

	Removal/install
	Risk of injury  to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning  caused by swallowing coolant.	Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses.	AS20.00-Z-0001-01A
	Risk of poisoning  caused by swallowing brake fluid. Risk of injury  caused by brake fluid coming into contact with skin and eyes.	Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
	Risk of explosion  caused by fuel igniting, risk of poisoning  caused by inhaling and swallowing fuel and risk of injury  to eyes and skin caused by contact with fuel	No fire, sparks, open flames or smoking. Only pour fuels into suitable and appropriately marked containers. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
	Notes on coolant		AH20.00-N-2080-01A
1	Remove right side paneling in trunk		AR68.30-P-4800MCU
2	Remove interior flap above engine		AR88.40-P-1100-03MCC
3	Disconnect ground line of battery		AR54.10-P-0003MCC
4	Remove tank vent line (1) on tank vent valve (Y58)
5	Detach clamp (2), disconnect fuel line (3) on fuel distributor (4) and expose	Seal fuel line (3) and fuel distributor (4) using suitable stop plugs. : Replace clamp (2).
6	Remove air filter housing		AR09.10-P-1150MCU
7	Unlock and detach brake booster vacuum line (5) on intake manifold (6)
8	Unhook thrust bearing (7) for park pawl cable (8) on transmission
9	Disconnect engine wiring harness on vehicle side		AR15.18-P-1000-02MCU
10	Remove fender liner in the left and right rear fender		AR88.10-P-1400MCU
11	Lower vehicle with vehicle lift
12	Drain coolant		AR20.00-P-1142MCU
13	Detach diagonal struts	For model 451.4 with code (I01) Air Conditioning Plus	AR61.10-P-5138-02MCU
			*BA61.25-P-1002-01B
14	Remove bracket for the diagonal struts	For model 451.4 with code (I01) Air Conditioning Plus	AR61.10-P-5138-01MCC
			*BA61.25-P-1003-01B
15	Remove bulkhead wall	In model 451.4	AR61.25-P-6600MCU
16	Lower fuel tank and position	On vehicles with code (I01) Air conditioning Plus Note routing of refrigerant lines (18). There must have a minimum distance of about 5 mm to the body, fuel tank or other components, otherwise noises or damage may be caused by impacts or chafing.	AR47.10-P-4100-03MCU
			*BA47.10-P-1001-01F
		Transmission jack	Figure
17	Unfasten clamps (9) and disconnect coolant return flow line (10), coolant line feed line (11) as well as heater coolant line (12) from the respective coolant pipe	: Replace clamps (9).
18	Unclip refrigerant lines (18) from bracket (19) and remove bracket (19)	For vehicles with code (I01) Air Conditioning Plus, for which the holder (19) is still installed. : The bracket (19) may no longer be installed.
19	Detach electric wiring harness at transmission		AR26.19-P-0001-05MCU
20	Unscrew plastic nut (13), open folding clamp (14) using a suitable tool and take off	Observe installation position of brake lines (15) and electrical lines for rpm sensor connector (L6/3x1, L6/4x1).
21	Expose rpm sensor connector (L6/3x1, L6/4x1) and disconnect
22	Check bolted connection for brake lines (15) for color coding	: Mark brake lines (15) accordingly.	AR42.10-P-0013-05MCC
23	Unfasten and disconnect bolted connections of brake lines (15) with brake hoses for rear axle (16)	Collect brake fluid in a suitable container. Seal connections with suitable stop plugs.	*BA42.10-P-1002-04E
		: If a brake line (15) with red color coding has been detached, this brake line (15) must be replaced. See: ↓ Remove/install brake line from the ESP hydraulic unit to the rear axle	AR42.10-P-0035MCU
24	Position major assembly lifting table with universal main assembly mount and fix in place with the mount on the engine		AR01.10-P-2400-06MCU
		Major assembly lifting platform/scissors-Model pallet forklift	Figure
25	Remove screws/bolts (17)	Pay attention to different bolt lengths (17).	*BA35.10-P-1001-01F
26	Lower rear-wheel drive module carefully until the charge current line is accessible	During lowering and positioning ensure that no electrical lines and hoses get pinched. For vehicles with code (I01) Air Conditioning Plus, ensure that the refrigerant lines (18) have unobstructed movement relative to each other and are not damaged due to impacts, chafing, bending or crushing. : Ensure that torque strut is correctly introduced into the sleeve.
27	Detach charging current line on the engine side		AR15.18-P-2000-01MCU
			*BA15.30-P-1002-01E
			*BA15.40-P-1002-01G
28	Remove poly-V belt for supercharger	On vehicles with code (I01) Air conditioning Plus	AR13.21-P-1202MCU
29	Remove refrigerant compressor and fix at a suitable location using a cable tie	On vehicles with code (I01) Air conditioning Plus	AR83.55-P-5300-04MCU
			*BA83.55-P-1001-01V
			*BA83.55-P-1002-01V
30	Lower rear-wheel drive module carefully complete	During lowering and positioning ensure that no electrical lines and hoses get pinched.
31	Lift vehicle using the vehicle lift until the rear-wheel drive module can be pulled forward under the vehicle
32	Install in the reverse order
33	Bleed brake system		AR42.10-P-0010MCU

Fig 3: Identifying Removal Assembly (450 589 02 62 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Support (451 589 00 62 00)

Courtesy of MERCEDES-BENZ USA