Remove/install engine with transmission

AR01.10-P-2401MRD

Remove/install engine with transmission

17.12.2019

Engine

274.9 in model 213

except code M005 (Vehicles with 4MATIC/all-wheel drive)

Modification notes

02.12.2019

Bolt, 3-phase high-voltage line connecting plug to transmission

BA08.10-P-1001-01H

Shown on engine 274.9 in model 213.042

1

Vacuum line

7

Coolant hose

2

Coolant hose

8

Coolant vent lines

3

Purge line

9

Coolant hose

4

Coolant line

10

Diagnostic socket

5

Coolant hose

11

Fuel hose

6

Coolant hose

Shown on engine 274.9 in model 213.050

21

Electrical connector

25

Equipotential bonding line

22

High-voltage connection

26

High-voltage connection

23

Refrigerant compressor

27

Shield

24

High-voltage line

28

Cable duct of high voltage lines

 Danger

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 contactwith 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

 Caution

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

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

 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

 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

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on bolted connections with self tapping screws

AH00.00-P-0007-01SF

Topical note

General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system

AH00.00-Z-0300-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on battery

AH54.10-P-0001-01A

Notes on AIRmatic

Engine 274.9 in model 213
with code 489 (AIRMATIC)
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AH32.22-P-1000-02LW

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

 

Remove/install

1

Secure vehicle against rolling

2

Shift transmission into neutral or idle position

3

Release parking brake

4

Perform enable for the high voltage on-board electrical system

Engine 274.9 in model 213.050
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR54.10-P-1150LHV

5

Secure vehicle on vehicle lift

AR00.60-P-0100CW

6

Reduce pressure in air suspension with vehicle diagnosis system

Engine 274.9 in model 213
with code 489 (AIRMATIC)
except code M005 (Vehicles with 4MATIC/all-wheel drive)



AD00.00-P-2000-04B

7

Disconnect ground line from battery

AR54.10-P-0003LW

8

Remove upper engine cover

 Installation: Only install upper engine cover after the leak test.

9

Remove engine compartment paneling

AR61.20-P-1105LWE

 Installation: Only install lower engine compartment paneling after leak test.

10

Relieve fuel pressure at diagnostic socket (10)

AR07.03-P-1460-01MR

 Dust cap at service connection

*BA07.03-P-1003-01F

 Pressure hose

*119589046300

11

Drain engine circuit coolant and low-temperature circuit coolant

AR20.00-P-1142OLC

12

Remove drain screw, drain engine oil and catch in suitable container

Topical note

Notes on engine oil and filter changes

AH18.00-P-0104-01A

 Installation:
Use only approved engine oils.
Engine damage will occur otherwise.

 Installation: Replace sealing ring.

 Drain screw to oil pan

*BA01.45-P-1002-01T

 Engine oil

*BF18.00-P-1001-01ZA

13

Remove drive shaft from transmission output flange

AR41.10-P-0050LW

14

Remove center shifter console and shift rod on transmission

Engine 274 in model 213 with transmission 716.702
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR26.60-P-0600LW

15

Remove hydraulic line from clutch slave cylinder

Engine 274 in model 213 with transmission 716.702
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR25.20-P-0150LW

16

Remove equipotential bonding line (25) from transmission

Engine 274.9 in model 213.050
except code M005 (Vehicles with 4MATIC/all-wheel drive)

 Nut/bolt, equipotential bonding line to high-voltage distributor/transmission

*BA54.10-P-1004-03F

17

Support transmission

Engine 274.9 in model 213.050
except code M005 (Vehicles with 4MATIC/all-wheel drive)



000 588 10 62 00 Support plate

WS26.00-P-3309B



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B

18

Remove rear engine carrier from frame floor assembly

Engine 274.9 in model 213.050
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR22.10-P-4360OLC

19

Lower transmission slightly

Engine 274.9 in model 213.050
except code M005 (Vehicles with 4MATIC/all-wheel drive)



000 588 11 62 00 Major assembly mount

WS01.00-P-0092B


When lowering, do not subject any lines and hoses to tension.
Otherwise damage will occur.

20

Remove cable duct of high voltage lines (28) from transmission

Engine 274.9 in model 213.050
except code M005 (Vehicles with 4MATIC/all-wheel drive)

 Bolt, 3-phase high-voltage line cable duct to transmission

*BA08.10-P-1003-01H

 Bolt, 3-phase high-voltage line protective hoop/cable duct to transmission

*BA08.10-P-1002-01H

21

Remove shield (27) over high-voltage plug (26)

Engine 274.9 in model 213.050
except code M005 (Vehicles with 4MATIC/all-wheel drive)

22

Remove high-voltage plug (26) of electric machine, place cable duct of high voltage lines (28) to one side and seal connections with protective covers

Engine 274.9 in model 213.050
except code M005 (Vehicles with 4MATIC/all-wheel drive)


Cover up high-voltage connector (26) and handle carefully.
Otherwise the high voltage on-board electrical system may be damaged.

 Bolt, 3-phase high-voltage line connecting plug to transmission

*BA08.10-P-1001-01H

 Set of protective caps

*001589029100

23

Lift transmission and install rear engine carriers at frame floor assembly

Engine 274.9 in model 213.050
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR22.10-P-4360OLC

24

Remove rear engine mount

AR22.10-P-1160OLC

 The rear engine support remains on the vehicle.

25

Remove fuel hose (11) from engine, collect escaping fuel using suitable container and seal openings with suitable stop plugs

 Pliers for click clamps

*171589003700

 Record plug

*129589009100

26

Remove coolant line to low-temperature circuit cooler from automatic transmission oil cooler

Engine 274 in model 213 with transmission 725.0
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR20.20-P-7441-01RQ

27

Remove automatic transmission oil cooler from fan unit and secure with connected lines to engine against falling down

Engine 274 in model 213 with transmission 725.0
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR27.55-P-1000OLD

28

Remove catalytic converter

AR49.10-P-5500MRD

29

Remove fan unit

AR20.40-P-5050OLC

30

Mount protective plate on radiator



WF58.50-P-0110-01A

31

Disconnect engine wiring harness for removal of engine

AR15.18-P-1000-05MRD

 M61

*BA00.10-P-1002-04A

 Nut, positive line to busbar on firewall

*BA54.18-P-1001-02C

 Screw/bolt/nut, ground line to transmission/underfloor

*BA00.19-P-1038-02A

32

Unclip ME-SFI [ME] control unit (N3/10) and secure against falling down with connected electric lines at engine

AR07.08-P-7013MRD

33

Remove bracket of ME-SFI [ME] control unit (N3/10)

34

Remove vacuum line (1) from vacuum pump

35

Remove coolant vent lines (8) from cylinder head cover and charge air cooler and place to one side

 Hose clamp pliers

*003589033700

36

Remove coolant hose (9) from engine

 Hose clamp pliers

*003589033700

37

Remove coolant hose (2) from bulkhead

AR20.20-P-7441-01RQ

38

Remove coolant hoses (6, 7)

AR20.20-P-7441-01RQ

39

Remove bracket for coolant line (4) from timing case cover

 M61

*BA00.10-P-1002-04A

40

Remove coolant line (4) from charge air cooler

AR20.20-P-7441-01RQ

41

Remove coolant hose (5) from charge air cooler

AR20.20-P-7441-01RQ

42

Release and disconnect purge line (3) at charge air cooler and seal openings with suitable stop plugs

 Record plug

*129589009100

43

Release and disconnect inerting system line at firewall and seal openings with suitable stop plugs

Engine 274.9 in model 213
with code 2U8 (Alternative refrigerant)
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR86.10-P-0419LWE

 Record plug

*129589009100

44

Remove poly-V belt

Engine 274.9 in model 213 (except 213.050)
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR13.22-P-1202MRD

45

Release and disconnect high-voltage plug (22) and seal high-voltage plug (22) with protective covers

Engine 274.9 in model 213.050
except code M005 (Vehicles with 4MATIC/all-wheel drive)

 Set of protective caps

*001589029100

46

Unclip high voltage line (24) from bracket of charge air cooler and place to one side

Engine 274.9 in model 213.050
except code M005 (Vehicles with 4MATIC/all-wheel drive)

47

Release and disconnect electrical connection (21) of refrigerant compressor (23)

48

Remove refrigerant compressor (23) from crankcase, place to one side with connected refrigerant lines and secure against falling down

 Screw/bolt, refrigerant compressor to timing case/crankcase/engine support

*BA83.55-P-1001-01M

49

Attach load tilter to all available engine lifting lugs as well as to boom crane and slightly lift engine



000 588 00 62 00 Load tilter

WS01.00-P-0102B


When lifting, do not subject engine mounts to tension.
Otherwise, engine mounts are damaged.

 Commercially available devices/tools
Boom crane

50

Remove front engine mounts from engine supports

AR22.10-P-4330MRD

51

Lift out the engine together with the transmission



000 588 00 62 00 Load tilter

WS01.00-P-0102B


When lifting out/in engine, do not damage any lines and hoses.
Otherwise leaks and engine damage can occur.

 Commercially available devices/tools
Boom crane

 Two helpers required.

52

Install in the reverse order



Check

53

Check engine oil level; correct if necessary



AP18.00-P-1811MP

 Warning

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 hazard area.

AS49.00-Z-0001-01A

 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

54

Perform engine test run; as part of this check engine and transmission for proper operation and leak tightness

 Metric screws/bolts and nuts as per MBN 10 105, 10 143

Number

Designation

8.8

10.9

BA00.10-P-1002-04A

M61

Nm

9

13

 Ground points

Number

Designation

Model 213

BA00.19-P-1038-02A

Screw/bolt/nut, ground line to transmission/underfloor

M8

Nm

20

 Oil pan

Number

Designation

Engine 274

BA01.45-P-1002-01T

Drain screw to oil pan

Nm

40

 Injection nozzles, injection valves, lines

Number

Designation

Engine 274

BA07.03-P-1003-01F

Dust cap at service connection

Plastic

Nm

2

Metal

Nm

15

 Electric motor

Number

Designation

Model 213.011/016/050/053/054/153/155/211/216/253

BA08.10-P-1001-01H

Bolt, 3-phase high-voltage line connecting plug to transmission

Nm

10

 Electric motor

Number

Designation

Model 213.011/016/050/053/054/153/155/211/216/253

BA08.10-P-1002-01H

Bolt, 3-phase high-voltage line protective hoop/cable duct to transmission

Nm

9

 Electric motor

Number

Designation

Model 213.011/016/050/053/054/153/155/211/216/253

BA08.10-P-1003-01H

Bolt, 3-phase high-voltage line cable duct to transmission

Nm

5

 High-voltage distributor

Number

Designation

Model 213.016/050/053/054/216

BA54.10-P-1004-03F

Nut/bolt, equipotential bonding line to high-voltage distributor/transmission

M6

Nm

9

M8

Nm

20

 Wiring harness

Number

Designation

Model 213

BA54.18-P-1001-02C

Nut, positive line to busbar on firewall

M6

Nm

8

M8

Nm

16

 Refrigerant compressor

Number

Designation

Engine 274

BA83.55-P-1001-01M

Screw/bolt, refrigerant compressor to timing case/crankcase/engine support

Nm

20

 Engine lubrication

Number

Designation

Engine 274.91 in model 205, 213
Engine 274.92 in model 205, 213, 238, 253
except code M005 (Vehicles with 4MATIC/all-wheel drive)

BF18.00-P-1001-01ZA

Engine oil

Oil filling capacity with oil filter

l

7

Sheet

BB00.40-P-0223-02A