Remove/Install Transmission With Start-Up Clutch - AR27.10-P-0505MNM
Transmission 725.0 in model 217, 222 with engine 177
except code M005 (Vehicles with 4MATIC/all-wheel drive)
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notice | Notes on self-locking nuts and Bolts | AH00.00-P-0001-01KOA | |
| Notes on automatic transmission | AH27.19-P-0001-01NKB | ||
| Remove | |||
| 1 | Shift transmission (1) into neutral position | ||
| 2 | Release parking brake | ||
| 3 | Disconnect battery ground line | AR00.60-P-0100CW | |
| 4 | Secure vehicle on vehicle lift | AR00.60-P-0100CW | |
| 5 | Drain coolant from low-temperature circuit | AR09.41-P-6834MNM | |
| 6 | Release catalytic converters | Left catalytic converter | AR49.20-P-0101MNM |
| Right catalytic converter | AR49.20-P-0102MNM | ||
| 7 | Release starter wiring harness from left holder for starter wiring harness (10) at top | ||
| 8 | Remove upper Bolt of left holder for starter wiring harness (10) | ||
| 9 | Remove left holder for starter wiring harness (10) | ||
| 10 | Remove right holder for starter wiring harness (10) from transmission (1) | ||
| 11 | Remove holder from left lower engine compartment lining | ||
| 12 | Remove rear propeller shaft | AR41.10-P-0050LF | |
| 13 | Remove right coolant hose (3) from oil cooler (4) and seal openings using suitable stop plugs | AR20.20-P-7441-01RQ | |
| Fig 2 | |||
| 14 | Remove oil lines | AR27.55-P-0600MNM | |
| 15 | Remove oil cooler (4) | AR27.55-P-1000MNM | |
| 16 | Remove holders (5, 6) | ||
| 17 | Disconnect ground line of transmission (1) from underbody | ||
| 18 | Remove heat shield (7) | AR27.40-P-0700-01LF | |
| 19 | Release and disconnect electrical connector of electric controller unit from transmission (1) | ||
| 20 | Remove holder for transmission wiring harness from transmission (1) | ||
| 21 | Prop up and strap down transmission (1) using major-assembly support and mounting plate | ||
| 000 588 11 62 00 Major assembly mount | WS01.00-P-0092B | ||
| 000 588 10 62 00 Support plate | WS26.00-P-3309B | ||
| 22 | Remove rear engine carrier from underbody | AR22.10-P-4360OIA | |
| 23 | Unscrew Bolts (9) | ||
| 24 | Screw guide pins into threaded holes of Bolts (9) | Fig 3 | |
| 25 | Lower the transmission (1) far enough to gain access to all the Bolts (8) | ||
| 26 | Support front of engine between front axle carrier and engine using wooden wedge | The engine must be propped up. Otherwise, when dismantling the transmission (1), the wet clutch will be damaged. |
|
| 27 | Remove cover from opening (arrow) | ||
| 28 | Pry off the wet clutch through the opening (arrow) uniformly from the two-mass flywheel | Fig 1 | |
| 29 | Remove starter from transmission (1), place to one side with connected lines and fix in place | AR15.30-P-7100MNM | |
Damage will otherwise occur. |
|||
| 30 | Remove screws/ Bolts (8) | ||
| 31 | Carefully pull transmission (1) with wet clutch over the guide pins to the rear and lower downwards | Secure wet clutch against falling down. Damage will otherwise occur. If the wet clutch was pulled out of the transmission (1). ↓ Replace sealing rings and sinuous springs. |
AR27.51-P-0300MNE |
| 32 | Remove wet clutch | When replacing the transmission (1). | |
| AR27.51-P-0300MNE | |||
| Install | |||
| 33 | Insert wet clutch | After removing the wet clutch. | |
| AR27.51-P-0300MNE | |||
| 34 | Release wet clutch locking clip and carefully position transmission (1) with wet clutch over the guide pins on the engine | ||
| 35 | Screw in screws (8) | *BA27.10-P-1001-04H | |
| 36 | Release mounting of starter and mount starter onto transmission (1) | AR15.30-P-7100MNM | |
| 37 | Install cover for opening (arrow) | ||
| 38 | Remove wooden wedge at front between front axle carrier and engine | ||
| 39 | Remove guide pins from holes of Bolts (9) | Fig 3 | |
| 40 | Screw in Bolts (9) | *BA27.10-P-1001-04H | |
| 41 | Mount rear engine carrier onto underbody | AR22.10-P-4360OIA | |
| 42 | Release tie-down straps from transmission (1) and remove major assembly mount and mounting plate | ||
| 000 588 11 62 00 Major assembly mount | WS01.00-P-0092B | ||
| 000 588 10 62 00 Support plate | WS26.00-P-3309B | ||
| 43 | Mount holder for transmission wiring harness onto transmission (1) | *BA00.10-P-1002-01A | |
| 44 | Assemble and lock electrical connector of electric controller unit on transmission (1) | ||
| 45 | Install heat shield (7) | AR27.40-P-0700-01LF | |
| *BA27.10-P-1009-04H | |||
| 46 | Connect ground line of transmission (1) to underbody | as of model year 2018 except code M005 (Vehicles with 4MATIC/all-wheel drive) Model 222 with engine 177 with transmission 725.0 up to model year 2018 except code M005 (Vehicles with 4MATIC/all-wheel drive) Bolt/nut, ground line to transmission/underfloor |
*BA00.19-P-1039-01C |
as of model year 2018 except code M005 (Vehicles with 4MATIC/all-wheel drive) Model 217 with engine 177 with transmission 725.0 up to model year 2018 except code M005 (Vehicles with 4MATIC/all-wheel drive) Bolt/nut, ground line to transmission/underfloor |
*BA00.19-P-1035-01J | ||
| 47 | Install holders (5, 6) | *BA49.10-P-1009-02E | |
| 48 | Install oil cooler (4) | AR27.55-P-1000MNM | |
| 49 | Install oil lines | AR27.55-P-0600MNM | |
| 50 | Mount right coolant hose (3) onto oil cooler (4) | AR20.20-P-7441-01RQ | |
| 51 | Install rear propeller shaft | AR41.10-P-0050LF | |
| 52 | Install holder of rear lower engine compartment lining | ||
| 53 | Mount right holder for starter wiring harness (10) onto transmission (1) | *BA00.10-P-1002-01A | |
| 54 | Position left holder for starter wiring harness (10) onto transmission (1) and tighten lower Bolt of left holder for starter wiring harness (10 | *BA00.10-P-1002-01A | |
| 55 | Install upper Bolt of left holder for starter wiring harness (10) | *BA00.10-P-1002-01A | |
| 56 | Fasten starter wiring harness onto left holder for starter wiring harness (10) | ||
| 57 | Mount catalytic converters | Left catalytic converter | AR49.20-P-0101MNM |
| Right catalytic converter | AR49.20-P-0102MNM | ||
| 58 | Connect ground cable to battery | AR00.60-P-0100CW | |
| 59 | Add coolant to low-temperature circuit | AR09.41-P-6834MNM | |
| 60 | Check and correct transmission oil level | Transmission 725.0 in model 217, 222 with engine 177 except code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR27.00-P-0270EWN |
| 61 | Read out and erase fault memory | ||
| AD00.00-P-2000-04B | |||
| 62 | Perform transmission adaptation using diagnostic system | When replacing or repairing the transmission (1). | |
| AD00.00-P-2000-04B | |||
| 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 | |
| 63 | Perform engine test run and check transmission (1) for proper operation and leak tightness | ||
| 64 | Install lower engine compartment paneling | AR61.20-P-1105LF | |
| 65 | Disconnect vehicle from vehicle lift | AR00.60-P-0100CW |
HEADLESS SCREWS: BOLTS AND NUTS, COARSE-PITCH THREAD
| Number | Designation | Model all (4xWD, CAR, smart) | |||
|---|---|---|---|---|---|
| BA00.10-P-1002-01A | M6 | 8.8 | Galvanized | Nm | 9 |
| Phosphated | Nm | 9 | |||
| 10.9 | Galvanized | Nm | 13 | ||
| Phosphated | Nm | 12 | |||
| 12.9 | Galvanized | Nm | 16 | ||
| Phosphated | Nm | 14 | |||
GROUND POINTS
| Number | Designation | Model 217 up to model year 2018 | Model 217 as of model year 2018 | ||
|---|---|---|---|---|---|
| BA00.19-P-1035-01J | Bolt/nut, ground line to transmission/underfloor | M8 | Nm | 20 | 20 |
GROUND POINTS
| Number | Designation | Model 222 up to model year 2018 | Model 222 as of model year 2018 | ||
|---|---|---|---|---|---|
| BA00.19-P-1039-01C | Bolt/nut, ground line to transmission/underfloor | M8 | Nm | 20 | 20 |
AUTOMATIC TRANSMISSION COMPLETE
| Number | Designation | Transmission 725.0/1 | |
|---|---|---|---|
| BA27.10-P-1001-04H | Screw/ Bolt, transmission to engine | Nm | 39 |
AUTOMATIC TRANSMISSION COMPLETE
| Number | Designation | Transmission 725.0/1 | |
|---|---|---|---|
| BA27.10-P-1009-04H | Screw/ Bolt, heat shield to oil pan | Nm | 9 |
EXHAUST SYSTEM
| Number | Designation | Engine 177 in model 217 | Engine 177 in model 222 | |
|---|---|---|---|---|
| BA49.10-P-1009-02E | Bolt, exhaust system bracket to transmission | Nm | 20 | 20 |