Remove/install compressor

AR09.50-P-4705GX

Remove/install compressor

15.2.12

 

Remove/install

 Danger!

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel

No fire, sparks, open flames or smoking.
Pour fuels only into suitable and appropriately marked containers.

Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

1.1

Deactivate service mode in TELE AID emergency call system

 Only on model 463.270 with code: Tele-Aid car phone emergency call system ET2.

AR82.95-P-0005-03GR



Notes on TELE AID emergency call system

Model 463.243/244/245/247/248/250/ 254/270/309/322/323/332/333 TELE AID car telephone emergency call system ET2

AH82.95-P-0001-01GA

 Danger!

Risk of explosion caused by escaping oxyhydrogen gas. Risk of injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries caused by short circuit. Risk of poisoning caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices

No fire, sparks, open flames or smoking.

Wear acid-resistant gloves and clothing and safety glasses with side guards.

Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground.

Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

2

Disconnect battery ground line

AR54.10-P-0003G



Notes on battery

All models

AH54.10-P-0001-01A

3

Remove air filter housing (1).

AR09.10-P-1150GX

4

Remove the top part of the charge air distributor (2)

AR09.41-P-1320GX

5

Remove poly-V belt for supercharger

AR13.21-P-1202GX

6

Remove poly-V belt

AR13.22-P-1202GX

7

Release fuel pressure via service valve (1/1)

 Allow escaping fuel to drain into a suitable container.

 Pressure hose

*119589046300

8

Detach the feed line (17/2) of the fuel distributor rail (17)

 Allow escaping fuel to drain into a suitable container.



*129589009100



*BA07.52-P-1001-01A

9

Disconnect electrical connectors at fuel injection valves (Y62)

 Press together security catches.

10

Remove bolts of the fuel distributor rail (17)



*BA07.52-P-1003-01A

11

Take out the fuel distributor rail (17) with the fuel injection valves (Y62) in the upward direction

 Check O-rings of the fuel injection valves (Y62) for damage; replace if necessary.

 Installation: Oil the O-rings of the fuel injection valves (Y62).

12

Detach all vacuum lines

 Installation: Apply lubricant to the vacuum lines before installing.

*BR00.45-Z-1010-06A

13

Detach the electrical connector of the throttle valve actuator (M16/6)

 Installation: Apply contact fluid to the pins of the electrical connector without fail.

*BR00.45-Z-1001-14A

14

Detach electrical connector for pressure differential sensor (catalytic converter) (B28/8)

15

Detach the electrical connector of the charge air temperature sensor (B17/8)

16

Remove the aspirator shutoff valve (126/2)

17

Detach the electrical connector at the supercharger magnetic clutch (Y2/1)

 Remove the electrical connector carefully to prevent damage to the plug housing.

18

Remove underride guard

 Model 463.270

 Model 463.271 with AMG stainless steel underride guard.

AR88.30-P-0010MG

 Danger!

Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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

19

Drain coolant

AR20.00-P-1142GX



Notes on coolant

All engines

AH20.00-N-2080-01A

20

Detach the coolant hoses (3) at the coolant pipes (4) of the charge air cooler (110/2)

21

Remove bolts of the bottom part of the charge air distributor (110/8)



*BA09.41-P-1002-01C

22

Fit a bracket on compressor (50)



*112589006200

23

Attach the engine hoist in the lifting eye of the bracket

Load regulator
gotis://H_00.12_04.0

24

Remove the compressor (50) with the charge air cooler (110/2) and the bottom part of the charge air distributor (110/8)

25

Detach the compressor (50) from the charge air cooler (110/2)



*BA09.50-P-1001-01B

26

Install in the reverse order

27

Bleed low temperature circuit

AR20.00-P-1145GX

28

Inspect cooling system for leaks

AR20.00-P-1010HA

29.1

Activate Service mode in Tele-Aid emergency call system

 Only on model 463.270 with code: Tele-Aid car phone emergency call system ET2.

AR82.95-P-0005-03GR



Notes on TELE AID emergency call system

Model 463.243/244/245/247/248/250/ 254/270/309/322/323/332/333 TELE AID car telephone emergency call system ET2

AH82.95-P-0001-01GA

30

Perform basic programming

AR00.19-P-0200P

31

Read out fault memory and erase

 After work is complete, faults stored in the fault memory must be processed and erased.

The stored faults may be caused by removed cables during installation or test operations as well as by simulation.



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

STAR DIAGNOSIS Compact diagnosis system for passenger cars

Number

Designation

Engine
113.992/
993/995

BA07.52-P-1001-01A

Fuel feed line to fuel distributor

Nm

38

BA07.52-P-1003-01A

Screw/bolt, fuel distributor to bottom part of charge air distributor

Nm

9

Number

Designation

Engine
113.992/
993/995

BA09.41-P-1002-01C

Screw/bolt, bottom part of charge air distributor to cylinder head

Nm

20

Number

Designation

Engine
113.993

BA09.50-P-1001-01B

Screw/bolt, supercharger to charge air cooler

Nm

20

Number

Designation

Order number

BR00.45-Z-1010-06A

Lubricant, rubber assembly 1 l

A 000 989 03 67

BR00.45-Z-1001-14A

Contact fluid

A 008 989 55 71