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Home >> Mercedes Benz >> 2018 >> S450 Base >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission - 222 Chassis (2 Of 4) >> Testing & Repair >> Remove/Install Automatic Transmission Oil Pan - AR27.10-P-7030LF

Remove/Install Automatic Transmission Oil Pan - AR27.10-P-7030LF

Transmission 725.0 in model 217, 222 

Shown on transmission 725.0 (except 725.017) 

G15362711Courtesy of MERCEDES-BENZ USA

Shown on transmission 725.0 (except 725.017) 

G15362712Courtesy of MERCEDES-BENZ USA

Shown on transmission 725.017 

G15362713Courtesy of MERCEDES-BENZ USA

Shown on transmission 725.017 

G15362714Courtesy of MERCEDES-BENZ USA

Shown on transmission 725.0 (except 725.09) 

G15362715Courtesy of MERCEDES-BENZ USA

Shown on transmission 725.09 

G15362716Courtesy of MERCEDES-BENZ USA
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
WARNING Risk of injury  . Moving parts can pinch, crush or, in extreme cases even sever extremities. No parts of the body or limbs should be within the operating area of mechanical components when moving components. AS00.00-Z-0009-01A
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 self-locking nuts and Bolts   AH00.00-P-0001-01KOA
Notice  Notes on Bolted connections with self tapping screws   AH00.00-P-0007-01SF
Notice  Notes on threaded connections fastened using a tightening angle-based tightening process   AH00.00-P-0020-01A
  Notes on automatic transmission   AH27.19-P-0001-01NKB
REMOVING Remove     
1 Remove center and rear lower engine compartment lining.   AR61.20-P-1105LF
2 Thoroughly clean oil pan (34) and surrounding area. Assembly cleaner *BR00.45-Z-1028-04A 
3 Remove screw plug (30). IMPORTANT Position oil receptacle under oil pan (34).
IMPORTANTCommercially available devices/tools 
Oil receptacle
IMPORTANT Open screw plug (30) using SPECIAL TOOL socket wrench.
 
    SPECIAL TOOL Socket wrench Fig 1
4.1 Set overflow pipe (31) to "drain large oil filling capacities" position (Pos. 4) using socket wrench and drain transmission oil. Transmission 725.0 (except 725.017) in model 217, 222  
    SPECIAL TOOL Socket wrench Fig 3
4.2 Rotate overflow pipe (31) using Allen wrench, size 10, in direction of arrow up to end stop, remove from base and drain transmission oil. Transmission 725.017 in model 222  
    IMPORTANTCommercially available devices/tools 
Allen wrench, size 10.
 
5 Remove heat shield from oil pan (34).   AR27.40-P-0700-01LF
6 Remove holders that are installed on the oil pan (34). If holders are present.  
    IMPORTANT The number of holders may vary depending on the equipment variant.  
7 Remove nuts (37) of engine mount (36) from crossmember (38) and lift transmission (35).    
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate   WS26.00-P-3309B
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
8 Unscrew screws (1 to 10). SPECIAL TOOL Socket wrench bit Fig 2
9 Lower transmission (35) until the engine mount (36) makes contact with the crossmember (38).    
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate   WS26.00-P-3309B
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
10 Remove oil pan (34) from transmission (35).    
11 Take overflow pipe (31) and swirl pipe for ultrasound measurement (29) out of oil pan (34).    
12 Remove seal (33). Only when reusing the oil pan (34).  
CLEAN Clean     
13 Clean sealing surfaces of oil pan (34) and magnets. Only when reusing the oil pan (34).  
    INSTALLATION NOTES
Sealing surfaces must be absolutely free of oil and grease.
Otherwise leaks may occur.
IMPORTANT Let assembly cleaner flash off completely.
 
    Assembly cleaner *BR00.45-Z-1028-04A 
14 Clean sealing surface at transmission (35). NOTES
Sealing surfaces must be absolutely free of oil and grease.
Otherwise leaks may occur.
IMPORTANT Let assembly cleaner flash off completely.
 
    Assembly cleaner *BR00.45-Z-1028-04A 
INSTALLING Install     
15 Install seal (33). NOTES
Do not apply any sealant or sealing compound to oil pan (34) and transmission (35).
Otherwise leaks may occur.
IMPORTANT Replace seal (33).
 
16.1 Replace overflow pipe (31) and swirl pipe for ultrasound measurement (29) of oil pan (34). When installing a new oil pan (34).
IMPORTANT Transmission 725.0 (except 725.017) in model 222
Transmission 725.0 in model 217 Press overflow pipe (31) and swirl pipe for ultrasound measurement (29) firmly onto base of oil pan (34).
IMPORTANT Transmission 725.017 in model 222 Press overflow pipe (31) firmly onto base of oil pan (34) and turn clockwise to end stop.
 
16.2 Check overflow pipe (31) and swirl pipe for ultrasound measurement (29) for tight seating on the base and for damage. If oil pan (34) is to be reused.
If problems occur,

Replace overflow pipe (31) and swirl pipe for ultrasound measurement (29).
IMPORTANT Transmission 725.0 (except 725.017) in model 222
Transmission 725.0 in model 217 Press overflow pipe (31) and swirl pipe for ultrasound measurement (29) firmly onto base of oil pan (34).
IMPORTANT Transmission 725.017 in model 222 Press overflow pipe (31) firmly onto base of oil pan (34) and turn clockwise to end stop.
 
17 Attach oil pan (34) to transmission (35) and position screws (1 to 8).    
  Notes on oil pan versions Transmission 725.0 (except 725.017) in model 217, 222
NOTES
Transmission 725.0 (except 725.017) in model 217, 222
An old variant of the oil pan (34) must not be installed.
Otherwise the ultrasound measurement method cannot be used.
IMPORTANT Replace screws (1 to 8).
IMPORTANT Replace oil pan (34) when replacing oil filter (32).
Oil filters (32) cannot be obtained individually.
AH27.10-P-0002-01EWN
18 Lift up transmission (35).    
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate   WS26.00-P-3309B
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
19 Position screws (9, 10). IMPORTANT Replace Bolts (9, 10).  
20 Tighten screws (1 to 10). IMPORTANT Tighten screws (1 to 10) of oil pan (34) in numerical sequence.  
    TORQUE SPECIFICATION Screw/Bolt, oil pan to transmission housing *BA27.10-P-1010-04H 
    SPECIAL TOOL Socket wrench bit Fig 2
21 Lower transmission (35).    
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate   WS26.00-P-3309B
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
22 Attach nuts (37) of engine mount (36) to crossmember (38).    
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate   WS26.00-P-3309B
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
    TORQUE SPECIFICATION Model 217 with engine 276 with transmission 725.0
Model 222 with transmission 725.0
except code Z07 (B7 armoring on special protection version)
Model 222 with transmission 725.0
with code Z07 (B7 armoring on special protection version) Rear engine mount on engine support
*BA22.10-P-1004-03K 
23 Attach holders to oil pan (34). If holders are present.
IMPORTANT The number of holders may vary depending on the equipment variant.
 
    TORQUE SPECIFICATION M6X1 *BA00.10-P-1002-04A 
24 Install heat shield onto oil pan (34).   AR27.40-P-0700-01LF
    TORQUE SPECIFICATION Screw/Bolt, heat shield to oil pan *BA27.10-P-1009-04H 
25 Fill transmission (35) with oil. Transmission 725.0 (except 725.017) in mode 222
Transmission 725.0 in model 217
AR27.00-P-0270EWN 
    Transmission 725.017 in model 222
NOTES
Always follow the work procedure and observe the Specifications for Operating Fluids. Otherwise the transmission (35) will be damaged.
AR27.00-P-0270EWH 
26 Install center and rear lower engine compartment lining.   AR61.20-P-1105LF
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143

Number Designation 8.8 10.9
BA00.10-P-1002-04A M6X1 Nm 9 13
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number Designation Model 217 with engine 276 Model 222 except code Z07 (B7 armoring on special protection version)
BA22.10-P-1004-03K Rear engine mount on engine support Nm 30 30
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number Designation Model 222 with code Z07 (B7 armoring on special protection version)
BA22.10-P-1004-03K Rear engine mount on engine support Nm 30
AUTOMATIC TRANSMISSION COMPLETE

Number Designation Transmission 725.0/1
BA27.10-P-1009-04H Screw/ Bolt, heat shield to oil pan Nm 9
AUTOMATIC TRANSMISSION COMPLETE

Number Designation Transmission 725.0/1
BA27.10-P-1010-04H Screw/ Bolt, oil pan to transmission housing Stage 1 Nm 4
Stage 2 ∠° 90
Fig 1: Identifying Socket Wrench (724 589 01 09 00)
G11971894Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Socket Wrench Bit (725 586 00 09 00)
G14546774Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Socket Wrench (725 589 00 09 00)
G11971897Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1028-04A Assembly cleaner A 000 986 56 01