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Home >> Mercedes Benz >> 1996 >> E320 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Complete Engine - Testing & Repair - 210 Chassis - 1 Of 2 >> Testing & Repair >> Removing and installing engine - AR01.10-P-2400CB

Removing and installing engine - AR01.10-P-2400CB

ENGINE 112 / (except 112.921 /941) in MODELS 210 / / /, 208, 202, 129 (except 210.081 /281 /082 /282) 

ENGINE 113 in MODELS 210, 208, 202, 129 

Shown on model 210 with engine 112 

Fig 1: Identifying Engine Components - Engine 113 (1 Of 3)
G04634506Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 2: Identifying Engine Components - Engine 113 (2 Of 3)
G04634507Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: Identifying Engine Components - Engine 113 (3 Of 3)
G04634508Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Only models 208, 202 with engines 112, 113 

Shown on engine 112 

Fig 4: Identifying Oxygen Sensor Connector
G04634509Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVINGINSTALLING Remove/install     
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between the columns of the lifting platform and position the four support plates below the lifting platform support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
IMPORTANT   SPECIAL TOOL External torx set Figure
    SPECIAL TOOL Torx bit set Figure
IMPORTANT   COMMERCIALLY AVAILABLE TOOLS *WH58.30-Z-1001-06A 
    COMMERCIALLY AVAILABLE TOOLS *WH58.30-Z-1002-06A 
1 Remove engine cover or air filter IMPORTANT
  • The air filter is integrated into the engine cover in models 129, 202.093/033, 208.370/374/470 and 210.274/074
  • Remove engine trim panel or air filter by pulling it vertically up and off the cylinder head covers.
 
2 Inspect both rear engine lifting eyes for marking NOTES Engine suspension fittings without codes must be replaced.)  
REFER TO COMPONENT MODIFICATIONS Rear lifting eyes of engine reinforced Engine 112, 113 BT01.00-P-0001-01A
DANGER 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 safety glasses. Only pour battery acid into suitable and appropriately marked containers. AS54.10-Z-0001-01A
3 Disconnect battery ground cable IMPORTANTInstallation:  After connecting ground lead, read fault memory and calibrate power windows.
Vehicles with stationary heater: adjust time display on stationary heater.
AR54.10-P-0003A
NOTES Notes on battery MODEL all AH54.10-P-0001-01A
4 Remove engine compartment paneling   AR61.20-P-1105AB
DANGER Risk of injury  to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning  from 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
5 Drain coolant from radiator   AR20.00-P-1142HA
6 Drain and collect engine oil TORQUE SPECIFICATION *BA01.45-P-1003-01B 
    FLUID SPECIFICATION *BF18.00-P-1001-01H 
7 Detach connection hoses (23, 24) at oil lines (21, 22) and fit together with connection piece (25) IMPORTANT Seal connections!  
    SPECIAL TOOL Set of plugs Figure
REFER TO SHOP-MADE TOOLS Connection fitting for automatic oil pipes   WF58.50-P-2020-01A
8 Remove viscous fan (1) All except model 208.365/465 with engine 112.
IMPORTANT Right-hand thread!
AR20.40-P-5660C
9 Remove fan shroud (2).
  • On models fitted with suction fan, separate plug connection of suction fan before removing fan shroud.
 
10 Remove air filter housing (7). All except model 129, 202.033/093, 208.370/374/470, 210.074/274  
11 Remove resonance tube (8) and resonance unit (9) All except model 129, 202.033/093, 208.370/374/470, 210.074/274
  • Separate plug connection of hot film mass air flow sensor (HFM-SFI) for this step and
  • Unbolt resonance pipe at cylinder head cover.

IMPORTANT
The resonance pipe is attached to the rear of the intake manifold with a plastic bracket.
NOTES Do not damage plastic bracket.
AR07.07-P-1454A
12 Remove hot film mass air flow sensor with air intake pipe Models 129, 202.033/093, 210.074/274, 208.370/374/470 AR07.07-P-1454AG
13 Detach coolant lines (18, 19) at coolant pump    
14 Detach coolant line (20) at thermostat housing    
15 Detach coolant line at top of expansion reservoir Only for models 208, 202  
16 Remove radiator Models 210, 208, 202 with engine 113 AR20.20-P-3865HD
    Model 129 with engine 113 AR20.20-P-3865AV
17 Attach guard plate for radiator / condenser    
REFER TO SHOP-MADE TOOLS Guard plate for radiator / condenser   WF58.50-P-0110-01A
18 Detach vacuum line (5) from brake booster at rear of intake manifold    
19 Extract power steering pump (15) oil SPECIAL TOOL Hand pump *112589007200
20 Disconnect ground lead at power steering pump (15)    
21 Detach return flow and pressure lines of power steering pump (15) IMPORTANT Seal connections!  
    SPECIAL TOOL Set of plugs Figure
    TORQUE SPECIFICATION *BA46.30-P-1002-01A 
    TORQUE SPECIFICATION *BA46.30-P-1003-01A 
22 Detach vacuum line (6) at intake manifold IMPORTANT Model 129
Detach vacuum line (6) directly at purge control valve.
 
DANGER Risk of explosion  caused by ignition of flammable products, risk of poisoning  caused by inhaling fuel vapors or swallowing fuel as well as risk of injury  to skin and eyes exposed to 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
23 Disconnect fuel line (4) at fuel distributor IMPORTANT Release fuel pressure through service valve!
Collect fuel.
 
    TORQUE SPECIFICATION Engine 112 *BA07.52-P-1001-01A 
    TORQUE SPECIFICATION Engine 113 *BA07.52-P-1001-01A 
    SPECIAL TOOL Pressure hose Figure
24 Detach coolant line (17) IMPORTANT In model 202.093/033 an additional coolant line is attached to the right cylinder head.
The coolant line at the right cylinder head leads to an external transmission oil cooler located on the right, behind the front apron. The routing of the coolant line to the left cylinder head is the same as that of production vehicles.
 
25 Disconnect engine wiring harness Models 210, 208, 202 AR01.00-P-2410K 
    Model 129 AR01.00-P-2410AV
26 Remove poly-V-belt (3) IMPORTANTInstallation:  Lock tensioning device with a drift or pin (diameter 5 mm).  
    Model 129, 210 with engine 113, 208 with engine 113, 202 with engine 113. AR13.22-P-1202B
    Model 210 with engine 112, 208 with engine 112, 202 with engine 112.
IMPORTANTInstallation:  Lock tensioning device with a drift or pin (diameter 5 mm).
AR13.22-P-1202BA
27 Disconnect connector from A/C compressor (16)    
28 Unscrew A/C compressor (16) from timing case cover IMPORTANT Attach AC compressor at side in bottom of engine compartment with lines connected.  
    TORQUE SPECIFICATION *BA83.55-P-1001-01A 
29 Detach exhaust system (10) at exhaust manifold NOTESInstallation:  In vehicles with engine damage the exhaust system must be examined for swarf and any swarf present removed before installing.  
    TORQUE SPECIFICATION *BA14.10-P-1002-01B 
30 Separate plug connections of sensors on right (G3/3x1) and on left (G3/4x1) and release Only models 202, 208  
31 Remove bracket (10a) of exhaust system All except model 129
Support exhaust system.
IMPORTANTInstallation:  Replace nuts
 
32 Unscrew clutch slave cylinder Only model 210, 202, 129 with manual transmission.
IMPORTANT Do not disconnect line.
AR25.20-P-0150A
33 Take off propeller shaft (11) at transmission TORQUE SPECIFICATION *BA41.10-P-1001-01A 
34 Release cable for parking shift lock (14)   AR27.60-P-0500-05B
35 Detach shift rod from transmission    
36 Remove rear engine crossmember (11) at transmission NOTES For this step support transmission.  
    TORQUE SPECIFICATION *BA22.10-P-1002-01L 
    TORQUE SPECIFICATION *BA22.10-P-1003-01L 
37 Unscrew bolts (13) of front engine mounts at front axle carrier TORQUE SPECIFICATION *BA22.10-P-1001-01L 
38 Press pressure line of level control out of fixtures at bottom part of oil pan Model 129 only  
39 Attach engine hoist to engine lifting eyes COMMERCIALLY AVAILABLE TOOLS
NOTES On model 210 with engine 113 and model 208 with engines 112, 113 use the engine removal fixture
*WE58.40-Z-1012-11A 
    COMMERCIALLY AVAILABLE TOOLS *WE58.40-Z-1020-11A 
40 Attach engine hoist to lifting eyes of engine    
41 Install in the reverse order    
42 Inspect cooling system for leaks NOTES If fitting new cylinder head gaskets, bring engine to operating temperature beforehand. AR20.00-P-1010HA
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the running engine Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.
AS00.00-Z-0005-01A
43 Check oil level in automatic transmission and correct if necessary.   AR27.00-P-0101A
44 Run engine and inspect for leaks    
45 Read out fault memory and erase Stored faults which can result from cables being disconnected or from simulation during removal and installation or test work, have to be processed and erased in the fault memories after completing the work: ↓
Diagnosis Manual Volume 2, Index 0:
Connection and use of test equipment
 
TORQUE SPECIFICATION Oil pan

Number Designation Engines 112.910/911/ 912/913/914/ 915/917/920/ 921/922/923/ 940/941/942/ 943/944/945/ 946/947/949/ 951/954/955/ 960/961/970/ 972/973/976 Engines 113.940/941/ 942/943/944/ 945/946/960/ 961/962/963/ 965/967/968/ 969/980/981/ 982/984/986/ 992/995
BA01.45-P-1003-01B Oil drain screw to oil pan M14 Nm 30 30
TORQUE SPECIFICATION Fuel rail

Number Designation Engine 112 except 112.945/951/ 960/961
BA07.52-P-1001-01A Disconnect fuel feed line at fuel rail Nm 38
TORQUE SPECIFICATION Fuel rail

Number Designation Engine 113.987 Engines 113.990/ 991 Engine 113.992/ 993/995 Engines 113.940/941/ 942/943/944/ 945/946/948/ 960/961/962/ 963/964/965/ 966/967/968/ 969/971/980/ 981/982/984/ 986/988
BA07.52-P-1001-01A Disconnect fuel feed line at fuel rail Nm 38 38 38 38
TORQUE SPECIFICATION Exhaust manifold

Number Designation Engine 112 except 112.951/ 976 Engines 113.940/941/ 942/943/944/ 945/946/948/ 960/961/962/ 963/964/965/ 966/967/968/ 969/971/980/ 981/982/984/ 986/992/993/ 995
BA14.10-P-1002-01B Flange connection, exhaust manifold and front exhaust pipes Nm 20 20
TORQUE SPECIFICATION Engine mounts, engine supports

Number Designation Engines 112.910/920, 113.944 in models 202.026/029/033 /086/089/093 Engines 112.911/914/921/941, 113.940/980 in model 210.061/062/ 063/065/070/074/261/ 262/263/265/270/274
BA22.10-P-1001-01L Bolt, front engine mounts to front axle carrier Nm 35 35
BA22.10-P-1002-01L Bolt, rear engine mount to rear engine crossmember Nm 30 30
BA22.10-P-1003-01L Bolt, rear engine crossmember to body Nm 40 40
TORQUE SPECIFICATION Engine mounts, engine supports

Number Designation Engines 112.921/941, 113.940 in model 210.081/ 082/083/281/ 282/283 Engine 112.923/943, 113.961 in model 129.059/ 064/068
BA22.10-P-1001-01L Bolt, front engine mounts to front axle carrier Nm 35 25
BA22.10-P-1002-01L Bolt, rear engine mount to rear engine crossmember Nm 35 30
BA22.10-P-1003-01L Bolt, rear engine crossmember to body Nm 40 40
TORQUE SPECIFICATION Engine mounts, engine supports

Number Designation Engine 112.940, 113.943/984 in model 208.365/ 370/374/465/470
BA22.10-P-1001-01L Bolt, front engine mounts to front axle carrier Nm 35
BA22.10-P-1002-01L Bolt, rear engine mount to rear engine crossmember Nm 30
BA22.10-P-1003-01L Bolt, rear engine crossmember to body Nm 40
TORQUE SPECIFICATION Driveshaft

Number Designation Model 129 Model 202
BA41.10-P-1001-01A Self-locking nut of flexible joint to transmission or front propeller shaft M10 Nm 40 40
M12 Nm 60 60
TORQUE SPECIFICATION Driveshaft

Number Designation Model 208 Model 210
BA41.10-P-1001-01A Self-locking nut of flexible joint to transmission or front propeller shaft M10 Nm 40 40
M12 Nm 60 60
TORQUE SPECIFICATION Power steering pump

Number Designation Model 202.026/029/ 033/086/089/093 Model 208.365/370 374/465/470
BA46.30-P-1002-01A Return line to power steering pump Nm 2 2
BA46.30-P-1003-01A High-pressure expansion hose to power steering pump M14x1.5 Nm 30 -
M16x1.5 Nm 40 40
TORQUE SPECIFICATION Power steering pump

Number Designation Models 210.061/063/ 065/070/074/ 081/082/083/ 261/263/265/ 270/274/281/ 282/283/ 663 Model 129.058/ 060/061/063/ 066/067/076
BA46.30-P-1002-01A Return line to power steering pump Nm 2 40
BA46.30-P-1003-01A High-pressure expansion hose to power steering pump M14x1.5 Nm - -
M16x1.5 Nm 45 45
TORQUE SPECIFICATION Refrigerant compressor

Number Designation Engines 112.923/943, 113.961 in model 129 Engines 112.910/911/ 920/921/940/941, 113.940/943/944/980/ 984 in models 202,208, 210
BA83.55-P-1001-01A Bolt, refrigerant compressor to bracket Nm 20 20
FLUID SPECIFICATION Engine lubrication

Number Designation Engine 112 except 112.916/953/975 Engines 113.940/941/ 942/943/960/ 961/962/969/ 982 Engine 113.944/ 944980/984 /984/ 986/991
BF18.00-P-1001-01H Engine oil Filling capacity with oil filter Liters 8.0 8.0 7.5
Filling capacity without oil filter Liters 7.5 - -
Specifications for Operating Fluids Sheet BB00.40-P-0229-01A BB00.40-P-0229-01A -
Sheet BB00.40-P-0229-03A BB00.40-P-0229-03A -
Sheet BB00.40-P-0229-05A BB00.40-P-0229-05A BB00.40-P-0229-05A
Fig 5: Identifying (000 589 01 10 00) Torx Bit Set
G04634510Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 6: Identifying (001 589 76 09 00) External Torx Set
G04634511Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 7: Identifying (112 589 00 72 00) Hand Pump
G04634512Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 8: Identifying (129 589 00 91 00) Set Of Stop Plugs
G04634513Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 9: Identifying (119 589 04 63 00) Pressure Hose
G04634514Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Commercially available tools

Number Designation
WH58.30-Z-1001-06A 6 mm socket hexagon on flexible shaft for hose clamps with worm drive
WH58.30-Z-1002-06A 7 mm socket hexagon on flexible shaft for hose clamps with worm drive
Workshop equipment

WE58.40-Z-1012-11A Load regulator (engine hoist), self-locking
WE58.40-Z-1020-11A Removal fixture for engine