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Home >> Mercedes Benz >> 2007 >> S550 Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Air Intake, Turbo Charging -- S-Class (221) >> Testing & Repair >> Remove/install turbocharger - AR09.40-P-6020MC

Remove/install turbocharger - AR09.40-P-6020MC

ENGINE 275 in MODEL 215, 216, 220, 221, 230 

Fig 1: Identifying Turbocharger Components
G07630322Courtesy of MERCEDES-BENZ USA

Illustrated on right turbocharger 

Fig 2: Identifying Support Brace And Turbocharger
G07630323Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Turbocharger, Engine Support, Coolant Feed Line And Oil Return Line
G07630324Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Turbocharger, Assembly Arm And Nut
G07630325Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1.1 Remove engine Model 220 with code (979) Special protection version, code (Z04) Light armoring or code (Z07) Highest protection  
Model 215. 220 without code (979) Special protection version, code (Z04) Light armoring or code (Z07) Highest protection AR01.10-P-2400MC
1.2 Remove engine with front axle carrier Model 216, 221 AR01.10-P-2500SZ
Model 230 without code (P99) Special model "AMG Black Series" AR01.10-P-2500RC
Model 230 with code (P99) Special model "AMG Black Series" AR01.10-P-2500RBS
2 Mount engine onto assembly stand Model 215, 220  
3 Remove right air filter housing Model 215, 216, 220, 221, 230 without code (P99) Special model "AMG Black Series" AR09.10-P-1150LA 
4 Remove charge air cooler   AR09.41-P-6817HH 
5 Remove engine charge air channel upstream of charge air cooler   AR09.41-P-8623H 
6 Remove ignition coil module   AR15.12-P-1100LA
7 Remove support (1) from turbocharger (2) TORQUE SPECIFICATION *BA09.40-P-1009-01H
TORQUE SPECIFICATION *BA09.40-P-1010-01H
8 Remove engine supports (3) TORQUE SPECIFICATION *BA22.10-P-1001-02A
9 Remove coolant feed line (4) from crankcase to turbocharger (2) IMPORTANTInstallation:  Install new sealing rings.  
TORQUE SPECIFICATION *BA09.40-P-1005-01H
TORQUE SPECIFICATION *BA09.40-P-1007-01H
10 Remove oil return line (5) from turbocharger (2) IMPORTANTInstallation:  Replace gasket and sealing ring.  
TORQUE SPECIFICATION *BA09.40-P-1004-01H
TORQUE SPECIFICATION *BA09.40-P-1006-01H
11 Detach pneumatic lines (6) from deceleration air valve (7) and from vacuum cell (8) IMPORTANTInstallation:  Check condition of pneumatic lines (6) and hose clamps; replace if necessary.  
12 Remove bolts (9) of oil feed line (10) and of coolant return line (11) at turbocharger (2) IMPORTANTInstallation:  Replace gaskets and sealing rings.  
TORQUE SPECIFICATION *BA09.40-P-1002-01H
TORQUE SPECIFICATION *BA09.40-P-1003-01H
13 Remove shields (12) at turbocharger (2) TORQUE SPECIFICATION *BA09.40-P-1012-01H
14 Remove bolts (13) of coolant line (14) at cylinder head (15) TORQUE SPECIFICATION *BA09.40-P-1001-01H
15 Mount assembly tool (16) with 4 bolts (bolt M8 20) onto turbocharger (2) NOTES Turbocharger and exhaust manifold are one unit and must not be disassembled, as this can lead to leakage.
IMPORTANT Assembly tools (16) serve to fix the flexible exhaust manifold parts in place.
 
SPECIAL TOOL Figure
16 Unscrew nuts (17) at exhaust manifold IMPORTANTInstallation:  Observe torque diagram. AR09.40-P-6020-11MC 
SPECIAL TOOL Fig 6
SPECIAL TOOL Fig 7
TORQUE SPECIFICATION *BA09.40-P-1011-01H
17 Remove turbocharger (2) with exhaust manifold from cylinder head (15) IMPORTANTInstallation:  Install new seal  
18 Install in the reverse order    
TURBOCHARGER

Number Designation Engine 275
BA09.40-P-1001-01H Coolant line to cylinder head Nm 9
BA09.40-P-1002-01H Bolt, oil feed line to turbocharger Nm 8
BA09.40-P-1003-01H Bolt, coolant return flow line to turbocharger Nm 8
BA09.40-P-1004-01H Bolt, oil return flow line to turbocharger Nm 8
BA09.40-P-1005-01H Bolt connecting coolant feed line to turbocharger Nm 8
BA09.40-P-1006-01H Bolt, oil return flow line to crankcase Nm 8
BA09.40-P-1007-01H Banjo bolt, coolant feed line to crankcase Nm 25
BA09.40-P-1009-01H Bolt, support to turbocharger Nm 30
BA09.40-P-1010-01H Bolt, turbocharger support to crankcase Nm 20
BA09.40-P-1011-01H Exhaust manifold to cylinder head Nm 15
BA09.40-P-1012-01H Shield to turbocharger Nm 9
ENGINE SUPPORT (ENGINE SIDE)

Number Designation Engine 275
BA22.10-P-1001-02A Bolt, engine support to cylinder crankcase Stage 1 Nm 20
Stage 2 ∠° 90
Fig 5: Identifying Assembly Arm (285 589 00 61 00)
G07630326Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Box Wrench Bit (285 589 00 03 00)
G07630327Courtesy of MERCEDES-BENZ USA
Fig 7: Identifying Torque Wrench (001 589 87 21 00)
G07630328Courtesy of MERCEDES-BENZ USA