ar1440s2020e

Remove/install SCR frame module control unit

Type ar · topic 14.40 · version 0302 · 2019-11-14

Applies to: Model 447 with engine 622.9 Model 447 with engine 651 except code MF4 (Emissions category Euro 4 N1 GR.III/N2)

Where it sits

Function group 1 Engine › 14 Exhaust manifold, engine brake, emission control system › 14.40 Exhaust aftertreatment, AdBlue — Series 447 · Series 622 (models 9**) · Series 651

EinPAS 15 Engine › 15.40 Exhaust system/exhaust aftertreatment › 15.40.11 Control unit/relay — Series 447 · Series 622 (models 9**) · Series 651

AR14.40-S-2020E

Remove/install SCR frame module control unit

28.10.2019

Model

447 with engine 622.9

Model

447 with engine 651

except code MF4 (Emissions category Euro 4 N1 GR.III/N2)

Modification notes

13.06.2017

Method modified

Step 9

Remove/install SCR frame module control unit

1

Bracket

2

Bolts

3

Bolts

4

Electrical connector

N141

AdBlue® (SCR) control unit

S14.40-4540-06

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S

Remove/install

1

Bring steering column into the uppermost position

2

Remove left cover under the instrument panel


MODEL 447.6/7 with CODE LC7 (Front footwell illumination) MODEL 447.8

AR68.10-S-1500E

3

Remove rotary light switch


Model 447 with transmissions 700.7, 711.6

AR54.25-S-3250E

Do not disconnect electrical connector.

4

Remove 360° camera control unit


Model 447 with code JS1 (360° camera)

AR54.30-S-3004E

Do not disconnect electrical connector.

5

Remove bracket (1)

Model 447 with code JS1 (360° camera)

To do this, remove screws (2).

6

Remove screws (3)

7

Remove AdBlue® (SCR) control unit (N141)

For this purpose, disconnect electrical connector (4).

8

Install in the reverse order

9

Commission AdBlue® control unit (SCR) (N141) with XENTRY Diagnosis

When replacing AdBlue® control unit (SCR) (N141).

AR54.21-S-0015E

Referenced documents