Remove/Install Engine With Transmission - AR01.10-P-2401MRI
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Engine 264 in model 205, 253
except code M005 (Vehicles with 4MATIC/all-wheel drive)
MODIFICATION NOTES
| 04.09.2019 | Method description modified. | Operation steps 19, 20, 21, 22, 25, 26 | |
| 04.09.2019 | Special tool inserted. | Operation steps 19, 20, 21, 22, 25, 26 | |
| 23.07.2019 | Method description adapted. | Operation steps 5, 9, 28, 29, 30 |
Shown on model 205 with CODE M005 (4MATIC)
| Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contact with fuel. | No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. Wear protective clothing when handling fuel. |
AS47.00-Z-0001-01A | |
| 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 | |
| Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers. |
AS18.00-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 | Protect air conditioning circuit and components from moisture when carrying out repair work | AH83.30-P-0005-01KOA | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| 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 safety-relevant components | AH00.00-Z-0019-01A | ||
| Use of engine no. when installing reconditioned engines and factory-new replacement engines or crankcases | AH01.10-P-0001-01A | ||
| General information on work on gasoline direct injection system | AH07.00-P-2000-01A | ||
| Remove/install | |||
| 1 | Secure vehicle against rolling away, shift transmission to neutral position, and release parking brake. | ||
| 2 | Relieve fuel pressure using diagnostic system. | ||
Actuation → Actuate the fuel pump. |
AD00.00-P-2000-04B | ||
| 3 | Secure vehicle on vehicle lift. | AR00.60-P-1006A | |
| 4 | Disconnect the ground line for the on-board electrical system battery (G1). | AR54.10-P-0003LW | |
| 5 | Discharge air conditioning system. | AR83.30-P-1760LW | |
| 6 | Remove engine cover. | AR01.10-P-2405MRI | |
| 7 | Drain engine cooling system coolant. | AR20.00-P-1142MRI | |
| 8 | Drain coolant of low-temperature circuit. | AR09.41-P-6834MRI | |
| 9 | Remove drain screw, drain engine oil and catch in suitable container. | ||
| Notice | Notes on engine oil and filter changes | AH18.00-P-0104-01A | |
| *BA01.45-P-1002-01ZA | |||
| *BF18.00-P-1001-01GA | |||
| 10 | Remove center exhaust system. | AR49.10-P-7283MRI | |
| 11 | Remove propeller shaft from transmission output flange. | Engine 264 in model 253 (except 253.992/993) except code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR41.10-P-0050LWX |
| Engine 264 in model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR41.10-P-0050LW | ||
| 12 | Remove rear engine mount. | AR22.10-P-1160LWB | |
| 13 | Remove fuel hose (12), collect escaping fuel in a suitable container, and seal openings with suitable stop plugs. | Fig 3 | |
| Fig 4 | |||
| 14 | Release, disconnect purge lines (13) and seal openings with suitable stop plugs. | Fig 3 | |
| 15 | Remove fan unit. | Engine 264 in model 253 except code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR20.40-P-5050MRP |
| Engine 264 in model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR20.40-P-5050MRI | ||
| 16 | Mount protective plate on cooler. | ||
| WF58.50-P-0110-01A | |||
| 17 | Remove air filter housing. | AR09.10-P-1150MRI | |
| 18 | Disconnect engine wiring harness. | AR15.18-P-1000-05MRI | |
| *BA54.18-P-1001-02C | |||
| *BA27.10-P-1009-04H | |||
| *BA00.19-P-1043-01E | |||
| 19 | Remove vacuum line (1) from vacuum pump and seal openings with suitable stop plugs. | Fig 3 | |
| 20 | Remove coolant hose (2) from firewall and seal openings with suitable stop plugs. | AR20.20-P-7441-01RQ | |
| Fig 5 | |||
| Fig 2 | |||
| 21 | Release, disconnect bleed lines (11) and seal openings with suitable stop plugs. | AR20.20-P-7441-01RQ | |
| Fig 3 | |||
| 22 | Remove coolant hoses (3, 7) and seal openings with suitable stop plugs. | AR20.20-P-7441-01RQ | |
| Fig 2 | |||
| Fig 5 | |||
| 23 | Remove charge air cooler. | AR09.41-P-6817MRI | |
| 24 | Remove screws (14) and remove bracket (15). | *BA09.41-P-1002-03F | |
| 25 | Remove coolant hoses (5, 9) from engine, place to one side and seal openings with suitable stop plugs. | AR20.20-P-7441-01RQ | |
| Fig 5 | |||
| Fig 2 | |||
| 26 | Remove coolant hose (8) from engine, place to one side and seal openings with suitable stop plugs. | Fig 2 | |
| Fig 5 | |||
| Fig 1 | |||
| 27 | Remove refrigerant lines from refrigerant compressor with magnetic clutch (A9/7). | AR83.55-P-5310MRI | |
| 28 | Release, disconnect and expose inerting system line at firewall. | Engine 264 in model 205, 253 with code 2U8 (Alternative refrigerant) except code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR86.10-P-0419LWE |
| 29 | Hook load tilter to engine crane and all available engine lifting lugs and lift the engine slightly. | ||
| 000 588 00 62 00 Load tilter | Do not subject front engine mounts to tension when lifting. Otherwise, damage to the front engine mounts will occur. Engine crane |
WS01.00-P-0102B | |
| 30 | Remove front engine mounts from engine carriers. | AR22.10-P-4330LWA | |
| 31 | Lift out the engine together with the transmission. | ||
| 000 588 00 62 00 Load tilter | When lifting out/in engine, do not damage any lines and hoses. Leaks can occur otherwise. Engine crane |
WS01.00-P-0102B | |
| 32 | Install in the reverse order. | ||
| Check | |||
| 33 | Check engine oil level and correct if necessary. | ||
| AP18.00-P-1812MKI | |||
| 34 | Connect vehicle diagnosis system, read out fault memory and clear if necessary. | ||
| 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 | |
| Risk of burn injuries , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. | Wear protective clothing and safety glasses. Use the extraction system. Move people out of the danger zone. | AS49.00-Z-0001-01A | |
| 35 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. |
GROUND POINTS
| Number | Designation | Model 205 up to model year 2019 | Model 205 as of model year 2019 | ||
|---|---|---|---|---|---|
| BA00.19-P-1043-01E | Nut, ground line to pin/underfloor | M8 | Nm | 20 | 20 |
GROUND POINTS
| Number | Designation | Model 253 (except 253.99) as of model year 2020 | Model 253 (except 253.99) up to model year 2020 | ||
|---|---|---|---|---|---|
| BA00.19-P-1043-01E | Nut, ground line to pin/underfloor | M8 | Nm | 20 | 20 |
OIL PAN
| Number | Designation | Engine 264 | |
|---|---|---|---|
| BA01.45-P-1002-01ZA | Drain screw to oil pan | Nm | 40 |
CHARGE AIR COOLER
| Number | Designation | Engine 264 | ||
|---|---|---|---|---|
| BA09.41-P-1002-03F | Bolt, bracket for charge air cooler to timing case/oil pan | M6 | Nm | 9 |
| M8 | Nm | 20 | ||
AUTOMATIC TRANSMISSION COMPLETE
| Number | Designation | Transmission 725.0/1 | |
|---|---|---|---|
| BA27.10-P-1009-04H | Screw/bolt, heat shield to oil pan | Nm | 9 |
WIRING HARNESS
| Number | Designation | Model 205 | Model 253 | ||
|---|---|---|---|---|---|
| BA54.18-P-1001-02C | Nut, positive line to busbar on firewall | M6 | Nm | 8 | 8 |
| M8 | Nm | 16 | 16 | ||
ENGINE LUBRICATION
| Engine lubrication Number | Designation | Engine 264 in model 205, 213, 238, 257 except code M005 (Vehicles with 4MATIC/all-wheel drive) | Engine 264 in model 253 | ||
|---|---|---|---|---|---|
| BF18.00-P-1001-01GA | Engine oil | Oil filling capacity with oil filter | L | 6, 6 | 6 |
| Specification | BB00.40-P-0223-02A | BB00.40-P-0223-02A | |||