Remove/Install Engine With Front Axle Carrier - AR01.10-P-2500MNI
Engine 177 in model 290
Shown without code ME10 (Hybrid vehicle (plug-in, PHEV))
Shown without code ME10 (Hybrid vehicle (plug-in, PHEV))
Shown without code ME10 (Hybrid vehicle (plug-in, PHEV))
Shown with code ME10 (Hybrid vehicle (plug-in, PHEV))
| 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 fire due to ignition of R1234yf refrigerant on hot components. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with escaped R1234yf refrigerant and when working on pressurized parts. Risk of explosion due to formation of ignitable refrigerant/air mixtures | Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated. | AS83.00-Z-0007-01A | |
| 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 explosion caused by fuel igniting. Risk of injury to skin and eyes caused by fuel spraying out at high pressure | Keep all ignition sources out of hazard area. Do not carry out any work on system when it is pressurized. |
AS07.16-Z-0001-01A | |
| 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 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. 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 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 coolant | AH20.00-P-2080-01KOA | |
| Notice | Procedure for a damaged or leaky air conditioning system | AH83.30-P-0004-01KOA | |
| Notice | Protect air conditioning circuit and components from moisture when carrying out repair work | AH83.30-P-0005-01KOA | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notice | General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment | AH00.00-Z-0300-01A | |
| Notice | Notes on AIR BODY CONTROL | Engine 177 in model 290 with code 489 (AIR BODY CONTROL) |
AH32.22-P-1000-03LWO |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Notes on bolted connections with self tapping screws | AH00.00-P-0007-01SF | |
| Notice | Information on influencing load ratios when removing major assemblies | AH00.60-P-0001-01A | |
| Notes on handling refrigerant R1234yf | AH83.30-P-0003-02A | ||
| General information on work on gasoline direct injection system | AH07.00-P-2000-01A | ||
| Use of engine no. when installing reconditioned engines and factory-new replacement engines or crankcases | AH01.10-P-0001-01A | ||
| Notes on repair work on suspension components | AH00.00-P-0100-01A | ||
| Remove/install | |||
| 1 | Deactivate easy entry and exit feature. | ||
| 2 | Turn wheel and tire assembly of front axle to straight-ahead position and fix steering wheel in place with holding device. | Do not turn steering wheel when steering coupling is removed. Otherwise, the clock spring contact will be damaged. |
|
| Fig 2 | |||
| 3 | Move automatic transmission to neutral position and release parking brake. | ||
| 4 | Vent pressure from air springs using diagnostic system. | Model 290 with engine 177 with code 489 (AIR BODY CONTROL) |
|
| AD00.00-P-2000-06FR | |||
| 5 | Perform power disable of the high-voltage onboard electrical system. | Engine 177.8 in model 290.679 | AR47.70-P-1000FRH |
| 6 | Remove ground line from battery. | AR54.10-P-0003FR | |
| 7 | Secure vehicle on vehicle lift. | AR00.60-P-0100-01A | |
| Fig 6 | |||
| 8 | Discharge air conditioning system. | AR83.30-P-1760FR | |
| 9 | Remove wheel and tire assembly from front axle. | AR40.10-P-1102A | |
| 10 | Remove front bumper. | AR88.20-P-2000FR | |
| 11 | Unscrew the center bolts of the front axle shafts. | Model 290 with engine 177 with transmission 725.0 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR33.30-P-0620MNI |
| 12 | Drain off coolant of the engine cooling system. | AR20.00-P-1142FR | |
| 13 | Drain coolant of low-temperature circuit. | AR09.41-P-6834MNI | |
| 14 | Drain engine oil. | ||
| AP18.00-P-0101DD | |||
| 15 | Remove propeller shaft. | AR41.10-P-0050MNI | |
| 16 | Remove coolant hose from automatic transmission oil cooler and place to one side. | Engine 177 in model 290 with transmission 725.0 with code ME10 (Hybrid vehicle (plug-in, PHEV)) | AR27.55-P-1000MNI |
| 17 | Release and disconnect electrical connection of left and right RPM sensors. | AR42.30-P-0713FRX | |
| 18 | Unclip the electric lines of the RPM sensors from the spring links and steering knuckles and put the electric lines to the side. | AR42.30-P-0713FRX | |
| 19 | Unclip electric lines of right wear indicator from spring links and steering knuckles and place to one side. | AR42.30-P-0713FRX | |
| 20 | Release and disconnect electrical connections at the suspension struts. | Model 290 with engine 177 with code 489 (AIR BODY CONTROL) |
AR32.25-P-1017FRA |
| Model 290 with engine 177 except code 489 (AIR BODY CONTROL) |
AR32.25-P-1017FR | ||
| 21 | Unclip electric lines of suspension struts from spring links and steering knuckles and place to one side. | ||
| 22 | Remove brake calipers from steering knuckles, secure with connected brake hoses to vehicle so that they are free of tension and secure against falling down. | Engine 177 in model 290 with code B07 (AMG - ceramic brake system) with code ME10 (Hybrid vehicle (plug-in, PHEV)) |
AR42.10-P-0070LSE |
| Model 290 with engine 177 with code B07 (AMG - ceramic brake system) except code ME10 (Hybrid vehicle (plug-in, PHEV)) |
AR42.10-P-0070FRK | ||
| Model 290 with engine 177 with code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) Model 290 with engine 177 with code U69 (Brake calipers painted yellow) except code B07 (AMG - ceramic brake system) Model 290 with engine 177 with code U70 (red-painted brake callipers) except code B07 (AMG - ceramic brake system) |
AR42.10-P-0070FRX | ||
| 23 | Remove coolant hose (2) from additional cooler. | AR20.20-P-7441-01RQ | |
| 24 | Remove coolant hoses (16) from wheel arch cooler. | Engine 177 in model 290 with code M014 (Engine uprated) |
|
| AR20.20-P-7441-01RQ | |||
| 25 | Remove coolant hose (17) from distributor (1). | Engine 177 in model 290 with code M014 (Engine uprated) |
|
| AR20.20-P-7441-01RQ | |||
| 26 | Remove coolant hose (34) from low temperature regulation valve. | Engine 177 in model 290 with code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| AR20.20-P-7441-01RQ | |||
| 27 | Remove coolant hose (35) distributor fitting. | Engine 177 in model 290 with code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| Fig 3 | |||
| 28 | Remove coolant hose (15) from additional cooler. | AR20.20-P-7441-01RQ | |
| 29 | Remove coolant hose (15) from low-temperature circuit circulation pump 1 (M43/6). | AR20.20-P-7441-01RQ | |
| 30 | Unclip the distributor (1). | ||
| 31 | Remove coolant hose (14) from cooler. | AR20.20-P-7441-01RQ | |
| 32 | Remove coolant hoses (9) from coolant lines (10). | Engine 177 in model 290 except code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| AR20.20-P-7441-01RQ | |||
| 33 | Remove coolant hose (4) from additional cooler. | AR20.20-P-7441-01RQ | |
| 34 | Remove coolant hoses (7) from distributor (5). | AR20.20-P-7441-01RQ | |
| 35 | Unclip the distributor (5). | Engine 177 in model 290 except code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| 36 | Remove refrigerant line (8) from condenser and seal openings with suitable stop plugs. | AR83.30-P-6540FRX | |
| Fig 4 | |||
| 37 | Detach oil lines from the oil cooler. | AR18.30-P-1000MNI | |
| 38 | Remove fan unit. | AR20.40-P-5050MNI | |
| 39 | Mount protective plate on cooler. | ||
| Guard plate for radiator/condenser | WF58.50-P-0110-01A | ||
| 40 | Remove coolant hose (25) from distributor (27). | AR20.20-P-7441-01RQ | |
| 41 | Remove coolant hose from return line on left charge air cooler. | Engine 177 in model 290 with code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| AR20.20-P-7441-01RQ | |||
| 42 | Remove distributor (27) from cooler. | Engine 177 in model 290 except code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| AR20.20-P-7441-01RQ | |||
| 43 | Remove coolant hose (26) from switchover valve. | Engine 177 in model 290 except code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| AR20.20-P-7441-01RQ | |||
| 44 | Remove coolant hose (29) from charge air cooler. | AR20.20-P-7441-01RQ | |
| 45 | Remove coolant hose from coolant suction nozzle. | AR20.10-P-2461MNI | |
| 46 | Remove bleed line from connecting point (28). | AR20.20-P-7441-01RQ | |
| 47 | Remove coolant hose (20) from heat exchanger. | AR20.20-P-7441-01RQ | |
| 48.1 | Remove holder for the low-temperature circuit expansion reservoir. | Engine 177.9 in model 290 | AR09.41-P-0017MNI |
| 48.2 | Remove the oil separator. | Engine 177.8 in model 290 | AR01.20-P-9750LSE |
| 49 | Remove coolant hose (24) and place to one side. | AR20.20-P-7441-01RQ | |
| 50 | Remove fuel pressure via the service connection. | AR07.03-P-1460-04MNI | |
| *BA07.03-P-1005-01H | |||
| Fig 7 | |||
| 51 | Disconnect fuel feed hose from connection (21). | ||
| Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | AH00.00-P-0015-01CW | ||
| *BA07.03-P-1006-01H | |||
| Fig 5 | |||
| 52 | Disconnect refrigerant lines from connection (23) and close openings with suitable stop plugs. | ||
| *BA83.30-P-1004-01S | |||
| Fig 4 | |||
| 53 | Remove purge lines (22) from left purging pressure sensor (B108/1) and right purging pressure sensor (B108/2) and place to one side. | ||
| 54 | Disconnect inerting system line (18) from bulkhead and put to side. | Model 290 with engine 177 with code 2U8 (Alternative refrigerant) |
|
| AR86.10-P-0119FRX | |||
| 55 | Release and remove vacuum hose (19). | Engine 177 in model 290 except code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| 56 | Insert crossmember above cooler and finger-tighten with two screws. | ||
| 57 | Secure cooler unit against falling. | ||
| 58 | Remove engine wiring harness for removal of engine and place to one side. | AR15.18-P-1000-05MNI | |
| *BA54.18-P-1001-02C | |||
| *BA00.19-P-1039-02D | |||
| 59 | Release and disconnect electrical connectors (11) of electric lines at electrical power steering control unit (N68). | AR46.20-P-0600FRX | |
| 60 | Remove electric lines from rack-and-pinion steering and front axle carrier and place to one side. | ||
| 61 | Remove steering coupling from steering shaft. | AR46.10-P-8000-01FR | |
| Fig 1 | |||
| 62 | Remove holders of wheel arch coolers on left and right from front axle carrier. | *BA00.10-P-1002-04A | |
| 63 | Remove low-temperature circuit circulation pump 2 (M43/7) from holder (6) and place to one side with connected lines. | Engine 177 in model 290 except code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| AR09.41-P-6933MNI | |||
| 64 | Remove screw (13) and place the holder (12) of low-temperature circuit circulation pump 2 (M43/7) to one side. | Engine 177 in model 290 except code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| *BA00.10-P-1002-04A | |||
| 65 | Remove circulation pump 1 for low-temperature circuit (M43/6) and place to one side. | Engine 177 in model 290 with code ME10 (Hybrid vehicle (plug-in, PHEV)) |
|
| *BA00.10-P-1002-04A | |||
| 66 | Remove holders (3). | *BA62.30-P-1004-01H | |
| 67 | Remove steering knuckles from upper transverse control arms. | AR33.25-P-0400FRX | |
| 68 | Detach suspension struts from spring links. | Model 290 with engine 177 with code 489 (AIR BODY CONTROL) |
AR32.25-P-1017FRA |
| Model 290 with engine 177 except code 489 (AIR BODY CONTROL) |
AR32.25-P-1017FR | ||
| 69 | Remove front diagonal struts (30). | Engine 177 in model 290 with code M005 (Vehicles with 4MATIC/all-wheel drive) |
AR61.10-P-5141FRX |
| 70 | Support front axle with lifting platform and major assembly mount and secure entire engine-transmission unit with a tensioning strap against slipping and falling down. | ||
| 000 588 24 62 00 Major assembly mount | WS01.00-P-0253B | ||
| 000 588 25 62 00 Lift table | WS01.00-P-0264A | ||
| 71 | Remove rear engine crossmember from frame floor assembly. | AR22.10-P-4360MNI | |
| 72 | Unscrew screws (33) of the front axle carrier from the longitudinal members. | *BA33.10-P-1001-01Q | |
| 73 | Remove nuts (31) and remove bracings (32). | *BA33.10-P-1002-01Q | |
| 74 | Lower engine-transmission unit with front axle carrier. | Ensure that engine does not touch any body panels or major assemblies and that no lines are pinched. Otherwise damage will occur. |
|
| 75 | Install in the reverse order. | ||
| 76 | Check oil level of engine and correct. | ||
| AP18.00-P-1812DKI | |||
| 77 | Perform wheel alignment measurement. | AR40.20-P-0200FRX | |
| 78 | Read out and delete fault memory. | ||
| AD00.00-P-2000-06FR | |||
| 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 | |
| 79 | Carry out engine test run and check engine for proper operation and leak tightness. | ||
| 80 | Install lower engine compartment lining. | AR61.20-P-1105FRX | |
| 81 | Install upper engine cover. | ||
| AP01.10-P-2405-01E |
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 |
GROUND POINTS
| Number | Designation | Model 290 | ||
|---|---|---|---|---|
| BA00.19-P-1039-02D | Bolt/nut, ground line to transmission/underfloor | M8 | Nm | 20 |
INJECTION NOZZLES, INJECTION VALVES, LINES
| Number | Designation | Engine 177 | |
|---|---|---|---|
| BA07.03-P-1005-01H | Dust protection cap to service connection | Nm | 1 |
INJECTION NOZZLES, INJECTION VALVES, LINES
| Number | Designation | Engine 177 | |
|---|---|---|---|
| BA07.03-P-1006-01H | Union nut, fuel hose to diagnostic socket/fuel line | Nm | 24 |
FRONT AXLE CARRIER
| Number | Designation | Model 290 | |
|---|---|---|---|
| BA33.10-P-1001-01Q | Bolt, front axle carrier to longitudinal member | Nm | 180 |
FRONT AXLE CARRIER
| Number | Designation | Model 290 | |
|---|---|---|---|
| BA33.10-P-1002-01Q | Mount, support (strut) | Nm | 110 |
WIRING HARNESS
| Number | Designation | Model 290 | ||
|---|---|---|---|---|
| BA54.18-P-1001-02C | Nut, positive line to busbar on firewall | M6 | Nm | 8 |
| M8 | Nm | 17 | ||
CROSS MEMBER AND FRONT REINFORCEMENT
| Number | Designation | Model 290 | ||
|---|---|---|---|---|
| BA62.30-P-1004-01H | Bolt, strut to soundproofing | M8 | Nm | 20 |
AIR CONDITIONING
| Number | Designation | Model 290 | |
|---|---|---|---|
| BA83.30-P-1004-01S | Nut/bolt, connecting point for refrigerant line | Nm | 12 |