Remove/install tuner unit

AR82.60-P-2002RG

Remove/install tuner unit

01.10.2019

Model

190.3

up to model year 2019

with code 536 (Sirius satellite radio complete system)

Model

190.3

up to model year 2019

with code 537 (DAB digital radio standard (Digital Audio Broadcast))

Model

190.3

up to model year 2019

with code 835 (South Korea version)

with code 865 (digital TV)

1

Cover

5

Bolts

8

Bolts

2

Mounting clip

6

Nut

9

Optical connector

3

Electrical connector

7

Bracket

A90/4

Tuner unit

4

Potential distributor

Topical note

Notes on avoiding damage to optical fibers during repair work

AH82.60-P-0001-05AK

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Commission tuner unit (A90/4).

When replacing tuner unit (A90/4).



AD00.00-P-2000-04B

2

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

3

Move front seats to foremost position.

4

Remove strut tower brace.

AR64.20-P-0010RG

5

Remove side trim in rear passenger compartment at right.

AR68.30-P-4780RG

6

Release rear panel trim in top right side area.

AR68.30-P-4750RG

7

Release cover (1) and place to one side.

8

Remove emergency call system antenna.

Model 190.3
up to model year 2019
with code 348 (Emergency call/assistant system)
with code 536 (Sirius satellite radio complete system)
Model 190.3
up to model year 2019
with code 348 (Emergency call/assistant system)
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
Model 190.3
up to model year 2019
with code 348 (Emergency call/assistant system)
with code 835 (South Korea version)
with code 865 (digital TV)
Model 190.3
up to model year 2019
with code 350 (Ecall emergency call system, Europe)
with code 536 (Sirius satellite radio complete system)
Model 190.3
up to model year 2019
with code 350 (Ecall emergency call system, Europe)
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
Model 190.3
up to model year 2019
with code 536 (Sirius satellite radio complete system)
with code B54 (Live Traffic Information)
Model 190.3
up to model year 2019
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
with code B54 (Live Traffic Information)
Model 190.3
up to model year 2019
with code 835 (South Korea version)
with code 865 (digital TV)
with code B54 (Live Traffic Information)

AR82.95-P-0017RG

9

Remove telematics services communications module control unit.

Model 190.3
up to model year 2019
with code 536 (Sirius satellite radio complete system)
with code B54 (Live Traffic Information)
Model 190.3
up to model year 2019
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
with code B54 (Live Traffic Information)
Model 190.3
up to model year 2019
with code 835 (South Korea version)
with code 865 (digital TV)
with code B54 (Live Traffic Information)

AR82.85-P-0020RG

10

Unclip retaining clip (2) from holder (7).

11

Release and disconnect electrical connection (3).

12

Disconnect optical connector (9).

13

Release potential distributor (4) in from holder (7) in direction of arrow.

14

Remove bolts (5).

15

Unscrew nut (6).

16

Remove tuner unit (A90/4) together with holder (7).

17

Remove bolts (8) and take off tuner unit (A90/4) from holder (7).

When replacing tuner unit (A90/4).

18

Install in the reverse order.