Remove/install power electronics with power distributor - AR08.10-P-0011EH

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.

ENGINE 651.9 in MODEL 212.098/298

Fig 1: Power Electronics With Power Distributor Components (1 Of 4)

Courtesy of MERCEDES-BENZ USA

Fig 2: Power Electronics With Power Distributor Components (2 Of 4)

Courtesy of MERCEDES-BENZ USA

Fig 3: Power Electronics With Power Distributor Components (3 Of 4)

Courtesy of MERCEDES-BENZ USA

Fig 4: Power Electronics With Power Distributor Components (4 Of 4)

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant.	Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses.	AS20.00-Z-0001-01A
	Risk of death when touching components on vehicles with high-voltage on-board electrical system	Do not touch components and open lines of the high-voltage on-board electrical system. Persons who wear electronic implants (e.g. cardiac pacemakers), must not carry out any work on high-voltage on-board electrical systems.	AS54.00-Z-0001-01A
	Evaluation of high-voltage components		AH54.00-P-6500-01SXH
	Note on high-voltage battery		AH54.10-P-0006-01MEV
	Notes on battery		AH54.10-P-0001-01A
	Note on the voltage on-board electrical system		AH54.00-P-0010-01A
1	Perform disable for the high-voltage on-board electrical system		AR54.10-P-1150EH
1		When replacing the power electronics control unit (N129/1) the interior and engine wiring harness electrical connection (X26) must be contacted before commissioning of the high-voltage on-board electrical system and subsequent commissioning of the power electronics control unit (N129/1) with Star Diagnosis.	AR54.10-P-1150EH
2	Remove engine		AR01.10-P-2400EH
3	Remove heat shield (1)
4	Remove bracket (2)
5	Remove screw/bolt (3) and remove oil dipstick guide tube (4)	Replace O-ring on oil dipstick guide tube (4).
5		ENGINE 651 in MODEL 212.098/298	*BA18.40-P-1002-01O
6	Remove retaining clamp (5)
7	Remove bracket (7) from housing for electrical machine (8)
8	Unscrew screw/bolt (9)
9	Remove screw/bolt (11) and remove protective hoop (12) to the rear	ENGINE 651 in MODEL 212.098/298	*BA08.10-P-1002-01E
10	Remove screw/bolt (13) and take high voltage plug (14) from high-voltage connection on housing for electrical machine (8)	Handle the high-voltage plug (14) carefully; cover if necessary. The shielding on the high voltage plug (14) can get damaged otherwise. Screw/bolt (13) serves as the removal and pulling-in device and is integrated into the high-voltage plug (14).
10		ENGINE 651 in MODEL 212.098/298	*BA08.10-P-1001-01E
11	Remove screw/bolt (15) and remove bracket (16) for high-voltage line (17) from electrical A/C compressor (A9/5)
12	Remove electrical wiring harness (18) from bracket (16)
13	Detach high-voltage line (17) from charge air pipe (19)
14	Remove screw/bolts (20) and remove cable duct (21) from engine	ENGINE 651 in MODEL 212.098/298	*BA54.10-P-1006-02C
14		ENGINE 651 in MODEL 212.098/298	*BA54.10-P-1007-02C
15	Detach high voltage plug (22) from electrical A/C compressor (A9/5)
16	Remove electrical line circuit (36) on the retaining clamps (10) from power electronics control unit (N129/1)	Ensure correct seating of the electrical line (36).
17	Release and disconnect electrical connection (23) on power electronics control unit (N129/1)
18	Remove electrical wiring harness (25) from power electronics control unit (N129/1)	Ensure contact surfaces are absolutely clean. There may be contact problems otherwise and consequently damage to the high-voltage system.
18		ENGINE ALL in MODEL 212	*BA08.20-P-1003-01D
19	Remove electrical line potential equalization (24) from power electronics control unit (N129/1)	Ensure contact surfaces are absolutely clean. There may be contact problems otherwise and consequently damage to the high-voltage system.
19		ENGINE ALL in MODEL 212	*BA08.20-P-1004-01D
20	Remove coolant hose (26) from power electronics control unit (N129/1)	Catch escaping coolant and close off openings. Check hose coupling (26) and coolant hose for damage; replace if necessary.
20		Record plug	Fig 5
21	Remove screw/bolts (27)
22	Remove screw/bolts (29) and remove power electronics control unit (N129/1)	Take note during taking off and insertion of power electronics control unit (N129/1) of the 3-phase high-voltage line (6) and the high-voltage lines (17, 28). These components can be damaged otherwise. Helper required.
22		ENGINE ALL in MODEL 212	*BA08.20-P-1001-01D
	When replacing the power distributor (34) or the power electronics control unit (N129/1)
23	Remove bracket (30) from power electronics control unit (N129/1)
24	Remove cable duct (21) from the high-voltage lines (28)
25	Remove screw/bolts (31, 32, 33)	Tighten screw/bolts (31, 32, 33) in the reverse sequence of the numbering.
25	Remove screw/bolts (31, 32, 33)	ENGINE ALL in MODEL 212	*BA08.20-P-1002-01D
26	Evenly lift off and take off power distributor (34) using two long wedge (35)	The power distributor (34) must be removed/installed evenly without tilting. Tilting of the power distributor (34) to the power electronics control unit (N129/1) can otherwise lead to damage to the contacting on the power electronics control unit (N129/1). Push the power distributor (34) onto the power electronics control unit (N129/1), carefully and evenly, until the screw/bolts (31, 32, 33) can be put on. Then use the screw/bolts (31, 32, 33) to pull the power distributor (34) evenly onto the power electronics control unit (N129/1) and screw in screw/bolts (31, 32, 33) all the way.
26		Long wedge	Fig 6
27	Install in the reverse order
28	Inspect cooling system for leaks		AR20.00-P-1010CW
	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
29	Carry out an engine test run and check engine for leaks and proper operation		AS00.00-Z-0005-01A

OIL LEVEL/OIL PRESSURE SENSOR

Number	Designation		ENGINE 651
BA18.40-P-1002-01O	Screw/bolt, oil dipstick guide tube mount	Nm	9

ELECTRIC MOTOR

Number	Designation		ENGINE 276, 651 in MODEL 212
BA08.10-P-1002-01E	Bolt, safety bar to electric machine housing	Nm	15

HIGH-VOLTAGE BATTERY

Number	Designation		MODEL 212
BA54.10-P-1007-02C	Bolt, cable duct for high-voltage line to oil pan	Nm	12

ELECTRIC MOTOR

Number	Designation		ENGINE 276, 651 in MODEL 212
BA08.10-P-1001-01E	Bolt, connector for 3-phase high-voltage line to electric machine housing	Nm	10

HIGH-VOLTAGE BATTERY

Number	Designation		MODEL 212
BA54.10-P-1006-02C	Bolt, cable duct for high-voltage line to major assembly carrier	Nm	9

CONTROL UNITS

Number	Designation		MODEL 212
BA08.20-P-1003-01D	Nut, electrical line circuit 30 to power electronics M8	Nm	14

CONTROL UNITS

Number	Designation		MODEL 212
BA08.20-P-1002-01D	Bolt, power distributor to power electronics	Nm	5

CONTROL UNITS

Number	Designation		MODEL 212
BA08.20-P-1004-01D	Bolt, electrical line for equipotential bonding to power electronics/major assembly carrier M8	Nm	16

CONTROL UNITS

Number	Designation		MODEL 212
BA08.20-P-1001-01D	Bolt, power electronics to timing case/major assembly carrier	Nm	20

Fig 5: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

Fig 6: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA