Remove/install engine management control unit (MCM)

AR07.08-P-7013MRD

Remove/install engine management control unit (MCM)

04.03.2020

Engine

274.9 in model 213

Engine

274.9 in model 238

Shown on engine 274.9 in model 213 (except 213.050)

1

Vehicle wiring harness

2

Engine wiring harness

N3/10

ME-SFI [ME] control unit

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

 

Remove/install

1

Perform commissioning of ME-SFI control unit (N3/10).

When replacing the ME-SFI [ME] control unit (N3/10).



Engine 274.9 in model 238

AD00.00-P-2000-06LWO



Engine 274.9 in model 213

AD00.00-P-2000-04B

2

Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).

3

Release and disconnect vehicle wiring harness (1) from the ME-SFI control unit (N3/10).

4

Release and disconnect engine wiring harness (2) from the ME-SFI control unit (N3/10).

5

Open retaining clips and remove ME-SFI control unit (N3/10) upward.



Check

6

Check bracket of the ME-SFI control unit (N3/10) for damage.

If there is a problem,



replace bracket of the ME-SFI control unit (N3/10).

7

Install in the reverse order.

8

Read out and delete fault memory.



Engine 274.9 in model 238

AD00.00-P-2000-06LWO



Engine 274.9 in model 213

AD00.00-P-2000-04B

 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

9

Conduct engine test run while checking for proper operation of the engine.