Remove/install compressor - AR09.50-P-4705GX

ENGINES 113.993 in MODEL 463.270 /271 

Fig 1: Identifying Compressor Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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. Pour fuels only into suitable and appropriately marked containers. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
1.1	Deactivate service mode in TELE AID emergency call system	Only on model 463.270 with code: Tele-Aid car phone emergency call system ET2.	AR82.95-P-0005-03GR
	Notes on TELE AID emergency call system	Model 463.243/244/245/247/248/250/254/270/309/322/323/332/333 TELE AID car telephone emergency call system ET2	AH82.95-P-0001-01GA
	Risk of explosion  caused by oxyhydrogen gas. Risk of poisoning and caustic burns  caused by swallowing battery acid. Risk of injury  caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries	No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
2	Disconnect battery ground line		AR54.10-P-0003G
	Notes on battery	All models	AH54.10-P-0001-01A
3	Remove air filter housing (1).		AR09.10-P-1150GX
4	Remove the top part of the charge air distributor (2)		AR09.41-P-1320GX
5	Remove poly-V belt for supercharger		AR13.21-P-1202GX
6	Remove poly-V belt		AR13.22-P-1202GX
7	Release fuel pressure via service valve (1/1)	Allow escaping fuel to drain into a suitable container.
		Pressure hose	Fig 2
8	Detach the feed line (17/2) of the fuel distributor rail (17)	Allow escaping fuel to drain into a suitable container.
			Fig 4
			*BA07.52-P-1001-01A
9	Disconnect electrical connectors at fuel injection valves (Y62)	Press together security catches.
10	Remove bolts of the fuel distributor rail (17)		*BA07.52-P-1003-01A
11	Take out the fuel distributor rail (17) with the fuel injection valves (Y62) in the upward direction	Check O-rings of the fuel injection valves (Y62) for damage; replace if necessary. Installation:  Oil the O-rings of the fuel injection valves (Y62).
12	Detach all vacuum lines	Installation:  Apply lubricant to the vacuum lines before installing.	*BR00.45-Z-1010-06A
13	Detach the electrical connector of the throttle valve actuator (M16/6)	Installation:  Apply contact fluid to the pins of the electrical connector without fail.	*BR00.45-Z-1001-14A
14	Detach electrical connector for pressure differential sensor (TWC [KAT]) (B28/8)
15	Detach the electrical connector of the charge air temperature sensor (B17/8)
16	Remove the aspirator shutoff valve (126/2)
17	Detach the electrical connector at the supercharger magnetic clutch (Y2/1)	Remove the electrical connector carefully to prevent damage to the plug housing.
18	Remove underride guard	Type 463.270
		Model 463.271 with AMG stainless steel underride guard.	AR88.30-P-0010MG
	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
19	Drain coolant		AR20.00-P-1142GX
	Notes on coolant	All engines	AH20.00-N-2080-01A
20	Detach the coolant hoses (3) at the coolant pipes (4) of the charge air cooler (110/2)
21	Remove bolts of the bottom part of the charge air distributor (110/8)		*BA09.41-P-1002-01C
22	Fit a bracket on the compressor (50)		Fig 3
23	Attach the engine hoist in the lifting eye of the bracket	Load regulator (engine hoist), self-locking
24	Remove the compressor (50) with the charge air cooler (110/2) and the bottom part of the charge air distributor (110/8)
25	Detach the compressor (50) from the charge air cooler (110/2)		*BA09.50-P-1001-01B
26	Install in the reverse order
27	Bleed low temperature circuit		AR20.00-P-1145GX
28	Inspecting cooling system for leaks		AR20.00-P-1010HA
29.1	Activate Service mode in Tele-Aid emergency call system	Only on model 463.270 with code: Tele-Aid car phone emergency call system ET2.	AR82.95-P-0005-03GR
	Notes on TELE AID emergency call system	Model 463.243/244/245/247/248/250/254/270/309/322/323/332/333 TELE AID car telephone emergency call system ET2	AH82.95-P-0001-01GA
30	Perform basic programming		AR00.19-P-0200P
31	Read out fault memory and erase	After work is complete, faults stored in the fault memory must be processed and erased. The stored faults may be caused by removed cables during installation or test operations as well as by simulation.
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		STAR DIAGNOSIS Compact diagnosis system for passenger cars

FUEL DISTRIBUTOR

Number	Designation		Engine 113.992/993/995
BA07.52-P-1001-01A	Fuel feed line to fuel distributor	Nm	38
BA07.52-P-1003-01A	Bolt, fuel distributor to bottom part of charge air distributor	Nm	9

CHARGE AIR PIPE/CHARGE AIR COOLING

Number	Designation		Engine 113.992/993/995
BA09.41-P-1002-01C	Bolt, bottom part of charge air distributor to cylinder head	Nm	20

SUPERCHARGER

Number	Designation		Engine 113.993
BA09.50-P-1001-01B	Bolt, supercharger to charge air cooler	Nm	20

Fig 2: Identifying Pressure Hose (119 589 04 63 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Bracket (112 589 00 62 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Set Of Stop Plugs (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1010-06A	Lubricant, rubber assembly 1 l	A 000 989 03 67
BR00.45-Z-1001-14A	Contact fluid	A 008 989 55 71