Remove/install DISTRONIC Distance Pilot electric controller unit

AR54.21-P-0701FR

Remove/install DISTRONIC Distance Pilot electric controller unit

07.10.2019

Model

257

with code 239 (Adaptive cruise control Pro (DISTRONIC PRO))

Modification notes

29.11.2018

"Remove Mercedes star" added.

Operation step 2

1

Nuts

2

Electrical connector

A108/1

DISTRONIC Distance-Pilot controller unit

Topical note

Notes on preventing damage to electronic components due to a magnetic tool

AH54.00-P-0002-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Carry out commissioning of Distance Pilot DISTRONIC controller unit (A108/1).

When replacing DISTRONIC Distance Pilot controller unit (A108/1).



AD00.00-P-2000-06FR

2

Remove Mercedes star.

AR88.40-P-4053FR

3

Unscrew nuts (1).

 Nut, electric controller unit for Distance Pilot DISTRONIC to body

*BA54.21-P-1001-01E

4

Remove Distance Pilot DISTRONIC controller unit (A108/1) until the electrical connector (2) can be disconnected.

5

Disconnect electrical connection (2).

6

Remove Distance Pilot DISTRONIC controller unit (A108/1).

7

Install in the reverse order

Calibrate

8

Calibrate Distance Pilot DISTRONIC controller unit (A108/1).



AD00.00-P-2000-06FR

 Control units/base module

Number

Designation

Model 257

BA54.21-P-1001-01E

Nut, electric controller unit for Distance Pilot DISTRONIC to body

Nm

7