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Home >> Mercedes Benz >> 2019 >> A220 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Automatic Transmission (1 Of 2) -- 118 Chassis) >> Testing & Repair >> Remove/Install Oil Pan Of Dual-Clutch Transmission >> Remove/Install Oil Pan Of Dual-Clutch Transmission - AR27.10-P-7032MFA

Remove/Install Oil Pan Of Dual-Clutch Transmission - AR27.10-P-7032MFA

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Transmission 724.1 in model 118, 177, 247 

Shown on engine 654 

G16049695Courtesy of MERCEDES-BENZ USA
G16049696Courtesy of MERCEDES-BENZ USA

Shown on engine 654 

G16049697Courtesy of MERCEDES-BENZ USA

Shown on engine 139 

G16049698Courtesy of MERCEDES-BENZ USA
WARNING Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
WARNING Risk of injury  to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning  from swallowing coolant. Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the overpressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.
AS20.00-Z-0001-01A
WARNING Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
CAUTION Risk of injury  to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil Wear protective gloves, protective clothing and safety glasses.
Do not pour transmission oil into beverage bottles.
AS00.40-Z-0001-01A
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
Notice  Notes on coolant   AH20.00-P-2080-01KOA
Notice  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
  Notes on automatic transmission   AH27.19-P-0001-01NKB 
REMOVINGINSTALLING Remove/install     
1 Remove air filter housing. Transmission 724.1 in model 118, 177, 247 with engine 654 AR09.10-P-1150MFF
    Transmission 724.1 in model 118, 177, 247 with engine 282 AR09.10-P-1150MFD
    Transmission 724.1 in model 118, 177, 247 with engine 260 AR09.10-P-1150MFC
    Transmission 724.1 in model 118, 177, 247 with engine 139 AR09.10-P-1150MFG
2 Remove charge air pipe downstream of exhaust gas turbocharger. Transmission 724.1 in model 118, 177, 247 with engine 139 AR09.41-P-1333MFG
3 Detach vacuum line (2) from charge air hose (4). Transmission 724.1 in model 118, 177, 247 with engine 260
Transmission 724.1 in model 118, 177, 247 with engine 282
Transmission 724.1 in model 118, 177, 247 with engine 654
 
4 Remove charge air hose (4). Transmission 724.1 in model 118, 177, 247 with engine 260
Transmission 724.1 in model 118, 177, 247 with engine 282
Transmission 724.1 in model 118, 177, 247 with engine 654
AR09.41-P-1311-01AL
5 Remove the bracket (3). TORQUE SPECIFICATION Bolt, holder for air filter housing to longitudinal member *BA62.30-P-1009-02O 
6
REFER TO TESTING & REPAIR
Drain fluid from transmission. IMPORTANT Position oil receptacle under oil pan (1)
IMPORTANTCommercially available devices/tools  Oil receptacle
INSTALLATION IMPORTANT : Install lower engine compartment lining after leak test.
AP27.00-P-2707MFA
7 Unclip holders (6) of electrical lines (15) from crossmember (16) and place on crossmember (16).    
8 Clamp off coolant hoses (7, 8). SPECIAL TOOL Clamp Fig 2
9 Remove coolant hoses (7, 8) from oil cooler (9) and seal exposed openings with suitable stop plugs. Transmission 724.1 in model 118, 177, 247 with engine 139 Transmission 724.1 in model 118, 177, 247 with engine 260
Transmission 724.1 in model 118, 177, 247 with engine 282
Transmission 724.1 in model 118, 177, 247 with engine 654
AR20.20-P-7441-01RQ
    SPECIAL TOOL Record plug Fig 1
10 Remove fan unit. Transmission 724.1 in model 118, 177, 247 with engine 260 Transmission 724.1 in model 118, 177, 247 with engine 282 AR20.40-P-5050MFD
    Transmission 724.1 in model 118, 177, 247 with engine 654 AR20.40-P-5050MFF
    Transmission 724.1 in model 118, 177, 247 with engine 139 AR20.40-P-5050MFG
11 Unscrew screw (17) and place coolant line (18) outside of working area. Transmission 724.1 in model 118, 177, 247 with engine 139
TORQUE SPECIFICATION Bolt, coolant line on charge air cooler
*BA09.41-P-1011-01FA 
12 Remove screws (5) and remove oil pan (1) from automatic transmission. IMPORTANT Collect remaining transmission oil in a suitable container
INSTALLATION IMPORTANT : Replace oil pan gasket (10). Replace molded seals (11).
Replace plain couplers (12) together with sealing rings.
Screw in screws (5) of oil pan (1) crosswise
TORQUE SPECIFICATION Screw/bolt, oil pan to transmission housing
*BA27.10-P-1002-03D 
CLEAN Clean     
13 Clean sealing surface on automatic transmission and on oil pan (1).   AR01.00-P-0050-01A
    Loctite 7200 *BR00.45-Z-1038-04A 
    Loctite 7063 (400 ml) cleaning spray *BR00.45-Z-1046-04A 
INSPECT Check     
14 Check inner oil pipe (13) for damage. If there is a problem

Replace inner oil pipe (13)
IMPORTANT To do so, squeeze retaining tabs (14) together and remove inner oil pipe (13).
 
15 Install in the reverse order.    
INSPECT Check     
16 Fill dual-clutch transmission with oil.   AR27.00-P-0272MFA 
17 Perform engine test run and check automatic transmission for proper operation and leak tightness.    
18 Warm up engine at idle speed until operating temperature is reached. IMPORTANT When the engine is at operating temperature, the coolant circuit bleeds itself automatically.  
19 Check coolant level. FLUID SPECIFICATION Coolant mixing ratio
If the coolant level is too low

Correct coolant level
IMPORTANT Refill with approx. 200 ml.
*BF20.00-P-1001-04A 
20 Check engine cooling system for leak tightness. Transmission 724.1 in model 118, 177, 247 with engine 139 AR20.00-P-1010MFG
    Transmission 724.1 in model 118, 177, 247 with engine 260 Transmission 724.1 in model 118, 177, 247 with engine 282 AR20.00-P-1010MFD
    Transmission 724.1 in model 118, 177, 247 with engine 654 AR20.00-P-1010MFE
21 Install lower engine compartment lining. Transmission 724.1 in model 118, 177, 247 with engine 139 Transmission 724.1 in model 118, 177, 247 with engine 260 with code M016 (Uprated engine) AR61.20-P-1105MFR
    Transmission 724.1 in model 118, 177, 247 with engine 654 AR61.20-P-1105MFE
    Transmission 724.1 in model 118, 177, 247 with engine 260 except code M016 (Uprated engine)
Transmission 724.1 in model 118, 177, 247 with engine 282
AR61.20-P-1105MFA
CHARGE AIR PIPE/CHARGE AIR COOLING

Number Designation Engine 139.9
BA09.41-P-1011-01FA Bolt, coolant line on charge air cooler Nm 8
AUTOMATIC TRANSMISSION OIL PAN

Number Designation Transmission 724.1
BA27.10-P-1002-03D Screw/bolt, oil pan to transmission housing Stage 1 Nm 10
Stage 2 ∠° -
FROND END WITH FRONT REINFORCEMENT

Number Designation Model 118 Model 177
BA62.30-P-1009-02O Bolt, holder for air filter housing to longitudinal member Nm 20 20
FROND END WITH FRONT REINFORCEMENT

Number Designation Model 247
BA62.30-P-1009-02O Bolt, holder for air filter housing to longitudinal member Nm 20
COOLANT MIXING RATIO

Number Designation All engines, except engine 178 in model 190.381
BF20.00-P-1001-04A Coolant mixing ratio Antifreeze/water Up to -25°C % -
Up to -37°C % 50/50
As of -38°C % 55/45
Overview and specifications sheet   BB00.40-P-0310-01A
References to sheet specification   BB00.40-P-0310ZZ
Fig 1: Identifying Record Plug (129 589 00 91 00)
G11972128Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Clamp (000 589 40 37 00)
G11065548Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1038-04A Loctite 7200 A 010 989 90 71
BR00.45-Z-1046-04A Loctite 7063 (400 ml) cleaning spray A 001 986 71 71 09