Remove compressor, install - AR09.50-P-4705SVK

ENGINE 112.960 in MODEL 170.466

ENGINE 112.961 in MODELS 203.065 /265

ENGINE 113.992 in MODEL 230.474

ENGINE 113.990 in MODELS 211.076 /276

ENGINE 113.991 in MODELS 215.374, 220.074 /174

ENGINE 113.995 in MODEL 230.472

Fig 1: Identifying Compressor Components - Shown On Engine 113.990 (1 Of 4)

Shown on engine 113.990

Fig 2: Identifying Compressor Components - Shown On Engine 113.990 (2 Of 4)

Shown on engine 113.990

Fig 3: Identifying Compressor Components - Shown On Engine 113.990 (3 Of 4)

Shown on engine 113.990

Fig 4: Identifying Compressor Components - Shown On Engine 113.990 (4 Of 4)

Shown on engine 113.990

MODIFICATION NOTES

16.5.06

"Disconnect/connect ground line on battery" removed

	Remove/install
	Risk of death caused by vehicle slipping or toppling off the lifting platform.	Align vehicle between columns of lifting platform and position four support plates at lifting platform support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
	Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to skin and eyes 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
1.1	Activate Service mode in Tele-Aid emergency call system	Model 215, 220 with code (347) TELE AID emergency call system (D2B) or code (855) TELE AID.	AR82.95-P-0005-03AM
	Notes regarding the Tele-Aid emergency call system		AH82.95-P-0001-01AM
2	Remove ground line(s) at battery(ies)	Do not connect quiescent current retention device.
		Model 170	AR54.10-P-0003A
		Model 215, 220	AR54.10-P-0003I
3	Remove air filter housing (1).	Installation: Do not break off catches (5) during bottoming on the throttle valve actuator (M16/6). The catches (5) can be sucked in by the supercharger (50) and cause engine damage.	AR09.10-P-1150SVK
4	Remove top charge air distributor (110/6)		AR09.41-P-1320SVK
5	Remove the throttle valve actuator (M16/6)	The throttle valve actuator (M16/6) plug (6) must not be removed, because it is bonded. Disconnect electrical connector (13) to remove.	AR07.61-P-1401SVK
6	Remove fuel distributor	Installation: Replace O-rings of injection valves.	AR07.03-P-1451AA
7	Remove bolt (7) for purge line (8) at cylinder head cover (9)	Detach purge line (8) on engine side and place to the side.
			*BA01.20-P-1001-01E
8	Detach hoses (10) for air injection at compressor (50)	Hoses (10) remains at left aspirator shutoff valve (126/1) and at right aspirator shutoff valve (126/2).
9	Detach hoses (11) for air injection at supercharger (50)
10	Detach vacuum lines (12) at left aspirator shutoff valve (126/1) and at right aspirator shutoff valve (126/2).
11	Detach crankcase venting hoses (15) at the left cylinder head cover (9) and at the right cylinder head cover
12	Detach vacuum line (16) at air pump switchover valve (Y32)
13	Disconnect the electrical connector at the charge air temperature sensor (B17/8)
14	Disconnect electrical connector at pressure sensor (B28)
15	Disconnect electrical connector (14) at air recirculation flap actuator	The electrical connector (14) on air recirculation flap actuator and electrical connector (13) for throttle valve actuator (M16/6) are identical and can be mixed up with each other. The wiring harness on the throttle valve actuator (M16/6) is marked with blue insulation tape. If this not the case then mark before disconnecting the electrical connectors (13, 14). Installation: Apply contact fluid to the pins of the electrical connectors (13, 14).
		Contact fluid	*BR00.45-Z-1001-14A
16	Detach electrical connector (23) at supercharger magnetic clutch (Y2/1)	Disconnect electrical connector carefully so that the connector housing of the supercharger magnetic clutch (Y2/1) is not damaged.
17.1	Remove poly V-belt of supercharger	Engine 113.990/991/992/ 995	AR13.21-P-1202RVK
18.1	Remove poly-V-belt	Engines 112.960/961	AR13.22-P-1202SVK
19	Remove lower engine compartment paneling	Model 170	AR61.20-P-1105A
		Model 203	AR61.20-P-1105P
		Model 211	AR61.20-P-1105T
		Model 215, 220	AR61.20-P-1105M
		Model 230	AR61.20-P-1105R
20	Drain coolant from radiator	Model 170	AR20.00-P-1142SV
		Model 203	AR20.00-P-1142PV
		Model 211, 215, 220, 230	AR20.00-P-1142RVK
21	Disconnect coolant hoses on coolant drain line (17) and coolant feed line (18)	Close off coolant hoses at coolant return line (17) and coolant feed line (18)
			Fig 7
22	Remove bolt (19) from coolant return line (17) bracket and coolant feed line (18) bracket
23.1	Remove right aspirator shutoff valve (126/2)	Engine 112
			*BA09.41-P-1002-01C
23.2	Remove left aspirator shutoff valve (126/1) and right aspirator shutoff valve (126/2)	Engine 113
			*BA09.41-P-1002-01C
24	Unscrew bolts (20) and bolt (21)	Installation: Pay attention to different lengths of bolts. The bolt (21) has a length of 35 mm. The bolts (20) have a length of 30 mm.
			*BA09.41-P-1002-01C
25	Screw bracket (22) onto compressor (50)		Figure
26	Attach the engine hoist in the lifting eye of the bracket (22)		Figure
			*WE58.40-Z-1012-11A
27	Lift out supercharger (50) together with charge air cooler and bottom charge air distributor (110/10)	Check seals (110/9), replace if necessary.
		Installation: Use dowel bolt (arrow) for exact positioning of the supercharger (50) with charge air cooler and bottom charge air distributor (110/10) as well as for centering the gasket (110/9).
			Figure
28	Remove supercharger (50) from charge air cooler		*BA09.50-P-1001-01B
29	Install in the reverse order
30	Inspect cooling system for leaks		AR20.00-P-1010RVK
31	Read out fault memory and erase if necessary	STAR DIAGNOSIS diagnosis system	*WH58.30-Z-1048-13A
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
32	Perform basic programming	Model 170	AR00.19-P-0200B
		Model 215, 220	AR00.19-P-0200M

CRANKCASE VENTILATION, CYLINDER HEAD COVER

Number	Designation		Engine 112.910/911/912/913/914/915/916/917/920/921/922/923/940/941/942/943/944/945/946/947/949/951/953/954/955/960/961/970/972/973/975/976	Engines 113.940/941/942/943/944/948/960/961/962/963/964/965/966/967/968/969/971/980/981/982/984/986/992/995	Engine 113.987/988/990/991/993
BA01.20-P-1001-01E	Bolt for cylinder head cover	Nm	8	10	8

CHARGE AIR PIPE/CHARGE AIR COOLING

Number	Designation		Engine 112.960/961 AMG	Engines 113.990/991	Engine 113.992/993/995
BA09.41-P-1002-01C	Bolt, bottom part of charge air distributor to cylinder head	Nm	23	20	20

SUPERCHARGER

Number	Designation		Engine 112.960/961 AMG	Engine 113.992/995	Engine 113.991	Engine 113.990
BA09.50-P-1001-01B	Bolt, supercharger to charge air cooler	Nm	20	20	20	20

Fig 5: Identifying Bracket (112 589 00 62 00)

Fig 6: Identifying Set Of Dowel Bolts (112 589 02 62 00)

Fig 7: Identifying Clamping Device (000 589 40 37 00)

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS diagnosis system, Compact Passenger Car	6511 1801 00

WORKSHOP EQUIPMENT

WE58.40-Z-1012-11A

Load regulator (engine hoist), self-locking

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1001-14A	Contact fluid	A 008 989 55 71