Remove/install tuner unit

AR82.60-P-2002EL

Remove/install tuner unit

06.09.2019

Model

218.9

as of model year 2015

with code 536 (Sirius satellite radio complete system)

Model

218.9

as of model year 2015

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

Model

218.9

as of model year 2015

with code 865 (digital TV)

Shown with CODE 501 (360° camera) and CODE 810 (Sound system) and CODE 872 (Seat heater in rear)

1

Right load compartment trim

3

Damping material

2

Hazard warning triangle

Shown with CODE 501 (360° camera) and CODE 810 (Sound system) and CODE 872 (Seat heater in rear)

4

Electrical connectors (with CODE 501 (360° camera))

5

Foam material (with CODE 501 (360° camera))

6

Electrical connector (with CODE 501 (360° camera))

7

Electrical line (with CODE 501 (360° camera))

8

Bracket

9

Electrical connector (with CODE 872 (Seat heater in rear))

10

Nut

15

Nuts

N25/6

Rear seat heater control unit (with CODE 872 (Seat heater in rear))

N148

360° camera control unit (with CODE 501 (360° camera))

Shown with CODE 501 (360° camera) and CODE 810 (Sound system) and CODE 872 (Seat heater in rear)

8

Bracket

13

Electrical connector with fiber optic cable

11

Electrical connector (with CODE 810 (Sound system))

14

Nut

12

Electrical connector

A90/4

Tuner unit

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

Connect diagnostic system and perform initial startup of the tuner unit (A90/4)

When replacing tuner unit (A90/4).



AD00.00-P-2000-04A

2.1

Switch off ignition and remove transmitter key from electronic ignition lock control unit

Model 218.9
as of model year 2015
with code 536 (Sirius satellite radio complete system)
except code 889 (Keyless Go)
Model 218.9
as of model year 2015
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
except code 889 (Keyless Go)
Model 218.9
as of model year 2015
with code 865 (digital TV)
except code 889 (Keyless Go)

2.2

Switch off ignition and remove KEYLESS-GO start/stop button from electronic ignition lock control unit

Model 218.9
as of model year 2015
with code 536 (Sirius satellite radio complete system)
with code 889 (Keyless Go)
Model 218.9
as of model year 2015
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
with code 889 (Keyless Go)
Model 218.9
as of model year 2015
with code 865 (digital TV)
with code 889 (Keyless Go)

3

Remove right load compartment trim (1)

AR68.30-P-1180ELX

4

Remove hazard warning triangle (2)

5

Remove dampening (3)

6

Disconnect electrical connectors (4) from 360° camera control unit (N148)

Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 536 (Sirius satellite radio complete system)
Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 865 (digital TV)

7

Fold over foam material (5) as shown

Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 536 (Sirius satellite radio complete system)
Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 865 (digital TV)

8

Disconnect electrical connector (6)

Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 536 (Sirius satellite radio complete system)
Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 865 (digital TV)

9

Unclip electrical line (7) from bracket (8)

Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 536 (Sirius satellite radio complete system)
Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
Model 218.9
as of model year 2015
with code 501 (360° camera)
with code 865 (digital TV)

10

Disconnect electrical connector (9) from rear seat heater control unit (N25/6)

Model 218.9
as of model year 2015
with code 536 (Sirius satellite radio complete system)
with code 872 (Left and right rear seat heating)
Model 218.9
as of model year 2015
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
with code 872 (Left and right rear seat heating)
Model 218.9
as of model year 2015
with code 865 (digital TV)
with code 872 (Left and right rear seat heating)

11

Loosen nuts (10)

12

Unscrew nuts (15)

13

Remove bracket (8) with tuner unit (A90/4) and place to one side with electrical lines connected

 Installation: Ensure that electrical wiring harnesses are routed correctly.

14

Disconnect electrical connector (11)

Model 218.9
as of model year 2015
with code 536 (Sirius satellite radio complete system)
with code 810 (Premium sound system)
Model 218.9
as of model year 2015
with code 537 (DAB digital radio standard (Digital Audio Broadcast))
with code 810 (Premium sound system)
Model 218.9
as of model year 2015
with code 810 (Premium sound system)
with code 865 (digital TV)

15

Disconnect electrical connection (12)

16

Disconnect electrical connector with optical fiber (13)

17

Cover plug of electrical connector with optical fiber (13) and equipment connection on tuner unit (A90/4)

18

Remove bracket (8) with tuner unit (A90/4)

19

Unscrew nut (14)

When replacing tuner unit (A90/4).

20

Remove tuner unit (A90/4) from bracket (8)

When replacing tuner unit (A90/4).

21

Install in the reverse order