LI8262P0634113 Service Bulletin/Repair Instructions

Disturbed antenna signal

Topic number
LI82.62-P-063411
Version
3
Design group
82.62 Loudspeakers, amplifiers, antennas
Date
11-30-2016
Validity
Model 205 left-hand drive vehicle, chassis number range:

1F170773, 1F240099, 1F250355, 1F274926, 1F283033

to 1F302200, 5M000049 to 5M000144

Model 205 right-hand drive vehicle, chassis number range: 2F101136, 2F284906 to 2F299174, 6L011731 to

6L011832

Model 253 left-hand drive vehicle, chassis number range: 1F007369, 1F028686 to 1F033471, 5V000073 to

5V000096

Model 253 right-hand drive vehicle, chassis number range: 2F028950 to 2F033840
Reason for change
Remedy: Text added "Replace the lines.".

Validity: Model 253 LHD vehicle in the chassis number range the chassis number has been corrected from

"1F03347" to "1F033471".
Reason for block
Complaint:
Disturbed signal of diverse antennas (individual or multiple complaints possible):

- Radio antenna

- Bluetooth antenna

- GPS antenna

- SDARS antenna

- Telephone function antenna

- Hermes telephony antenna

- GPS emergency call antenna

- Emergency call telephone function antenna
Cause:
Shielding of HF (high-frequency) lines/ antenna lines.

The aluminum foil inside the line may not surround the entire cross section of the line as the foil has been compressed.
Remedy:
The HF (high-frequency) lines and antenna lines cannot be repaired. Replace the lines.

A list of affected control units (connectors, pins) with wiring harness part numbers is attached.
Symptoms

Communication/information / Entertainment / Radio / Poor reception

11-30-2016 8:43 PM

© Copyright Daimler AG
PRIESTM
Page 1/6
Communication/information / Entertainment / Radio / Nonfunctional

Communication/information / Communication / Telematics service / Emergency call / Poor reception

Communication/information / Entertainment / Video TV/DVD / Poor image quality

Communication/information / Communication / Mobile phone / Telephone / Dropped calls

Communication/information / Communication / Mobile phone / Telephone / Poor understanding

Communication/information / Communication / Mobile phone / Telephone / Other party cannot be heard

Communication/information / Communication / Mobile phone / Telephone / Call cannot be connected

Communication/information / Communication / Mobile phone / Telephone / Driver can be poorly/hardly heard

Communication/information / Communication / Mobile phone / Telephone / Person on other end can be poorly/hardly

heard

Communication/information / Communication / Telematics service / Emergency call / No/faulty vehicle position transferred

Communication/information / Communication / Telematics service / Emergency call / Cannot connect call

Communication/information / Communication / Telematics service / Emergency call / No/faulty vehicle data transferred

Communication/information / Communication / Telematics service / Emergency call / Poor speech quality

Communication/information / Communication / Mobile phone / Telephone / No/poor reception

Communication/information / Entertainment / Radio / No audio

Communication/information / Entertainment / Radio / Bad sound quality

Communication/information / Communication / Mobile phone / Bluetooth / Bluetooth data communication / Bluetooth

malfunction

Communication/information / Communication / Telematics service / Locating services / Vehicle position/vehicle locating / No satellite reception

Communication/information / Communication / Telematics service / Emergency call / Other party cannot be heard

Communication/information / Communication / Telematics service / Locating services / Vehicle position/vehicle locating / No/faulty vehicle position transferred

Communication/information / Communication / Telematics service / Locating services / Vehicle position/vehicle locating / Cannot connect call

Communication/information / Communication / Mobile phone / Bluetooth / Bluetooth contact plate / Telephone pairing

not possible

Communication/information / Communication / Mobile phone / Bluetooth / Bluetooth contact plate / Connection abort

Communication/information / Communication / Mobile phone / Bluetooth / Bluetooth contact plate / Authorizing fault

Communication/information / Entertainment / Digital radio/Satellite digital audio radio / No reception

Communication/information / Entertainment / Bluetooth audio streaming / Cyclical misfire

Communication/information / Entertainment / Bluetooth audio streaming / Sporadic misfire

Communication/information / Entertainment / Bluetooth audio streaming / Crackling/cracking noise
Control unit/fault code

Control unit
Fault code
Fault text
A2 / A40/3 / A26/17 - Audio

or COMAND (HU5_ENTRY)

(GLC (253))
B142C11
Radio antenna 1 has a malfunction. There is a short circuit to

ground.
A2 / A40/3 / A26/17 - Audio

or COMAND, A40/3 / A26/17
B142C11
Radio antenna 1 has a malfunction. There is a short circuit to

ground.
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- Audio or COMAND (Audio)

(HU5)

A2 / A40/3 / A26/17 - Audio

or COMAND, A40/3 / A26/17

- Audio or COMAND (Audio)

(HU5) (C (205))
B142C12
Radio antenna 1 has a malfunction. There is a short circuit to positive.
A2 / A40/3 / A26/17 - Audio

or COMAND, A40/3 / A26/17

- Audio or COMAND (Audio)

(HU5)
B142C13
Radio antenna 1 has a malfunction. There is an open circuit.
A2 / A40/3 / A26/17 - Audio

or COMAND, A40/3 / A26/17

- Audio or COMAND (Audio)

(HU5)
B142D11
Radio antenna 2 has a malfunction. There is a short circuit to

ground.
A2 / A40/3 / A26/17 - Audio

or COMAND, A40/3 / A26/17

- Audio or COMAND (Audio)

(HU5)
B142D13
Radio antenna 2 has a malfunction. There is an open circuit.
A2 / A40/3 / A26/17 - Audio

or COMAND, A40/3 / A26/17

- Audio or COMAND (Audio)

(HU5)
B142E11
The GPS antenna has a malfunction. There is a short circuit to

ground.
A2 / A40/3 / A26/17 - Audio

or COMAND, A40/3 / A26/17

- Audio or COMAND (Audio)

(HU5)
B142E13
The GPS antenna has a malfunction. There is an open circuit.
A2 / A40/3 / A26/17 - Audio

or COMAND, A40/3 / A26/17

- Audio or COMAND (Audio)

(HU5)
B1F9411
The Bluetooth® antenna has a malfunction. There is a short circuit to ground.
A2 / A40/3 / A26/17 - Audio

or COMAND, A40/3 / A26/17

- Audio or COMAND (Audio)

(HU5)
B1F9413
The Bluetooth® antenna has a malfunction. There is an open circuit.
A2 / A40/3 / A26/17 - Audio

or COMAND, A40/3 / A26/17

- Audio or COMAND (Audio)

(HU5)
B1FE213
The antenna of control unit 'Electronic Toll Collection System

(ETC)' has a malfunction. There is an open circuit.
A2 / A40/3 / A26/17 - Audio

or COMAND (HU5_ENTRY)

(GLC (253))
B142C12
Radio antenna 1 has a malfunction. There is a short circuit to positive.
A90/4 - Digital Audio Broadca- B149911

sting (DAB) (TB5_DAB)
TV antenna 1 has a malfunction. There is a short circuit to

ground.
A90/4 - Digital Audio Broadca- B149912

sting (DAB) (TB5_DAB)
TV antenna 1 has a malfunction. There is a short circuit to positive.
A90/4 - Digital Audio Broadca- B149913

sting (DAB) (TB5_DAB)
TV antenna 1 has a malfunction. There is an open circuit.
A90/4 - Digital Audio Broadca- B149B11

sting (DAB) (TB5_DAB)
TV antenna 2 has a malfunction. There is a short circuit to

ground.
A90/4 - Digital Audio Broadca- B149B12

sting (DAB) (TB5_DAB)
TV antenna 2 has a malfunction. There is a short circuit to positive.
11-30-2016 8:43 PM

© Copyright Daimler AG
PRIESTM
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A90/4 - Digital Audio Broadca- B149B13

sting (DAB) (TB5_DAB)
TV antenna 2 has a malfunction. There is an open circuit.
A90/4 - Digital Audio Broadca- B149D11

sting (DAB) (TB5_DAB)
TV antenna 3 has a malfunction. There is a short circuit to

ground.
A90/4 - Digital Audio Broadca- B149D12

sting (DAB) (TB5_DAB)
TV antenna 3 has a malfunction. There is a short circuit to positive.
A90/4 - Digital Audio Broadca- B149D13

sting (DAB) (TB5_DAB)
TV antenna 3 has a malfunction. There is an open circuit.
A90/4 - Digital Audio Broadca- B158A11

sting (DAB) (TB5_DAB)
The band III antenna has a malfunction. There is a short circuit to

ground.
A2 / A40/3 / A26/17 - Audio

or COMAND (HU5_ENTRY)

(GLC (253))
Radio antenna 1 has a malfunction. There is an open circuit.
B142C13
A90/4 - Digital Audio Broadca- B158A12

sting (DAB) (TB5_DAB)
The band III antenna has a malfunction. There is a short circuit to

positive.
A90/4 - Digital Audio Broadca- B158A13

sting (DAB) (TB5_DAB)
The band III antenna has a malfunction. There is an open circuit.
A90/4 - Digital Audio Broadca- B158B11

sting (DAB) (TB5_DAB)
Band III antenna 2 has a malfunction. There is a short circuit to

ground.
A90/4 - Digital Audio Broadca- B158B12

sting (DAB) (TB5_DAB)
Band III antenna 2 has a malfunction. There is a short circuit to

positive.
A90/4 - Digital Audio Broadca- B158B13

sting (DAB) (TB5_DAB)
Band III antenna 2 has a malfunction. There is an open circuit.
A90/4 - Digital Audio Broadca- B158C11

sting (DAB) (TB5_DAB)
The L-band antenna has a malfunction. There is a short circuit to

ground.
A90/4 - Digital Audio Broadca- B158C12

sting (DAB) (TB5_DAB)

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