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Technical Service Bulletin # Mercedes Benz Truck GLK 350 LI54-35_P-053444 Date: 120907

Technical Service Bulletin # Mercedes Benz Truck GLK 350 LI54-35_P-053444 Date: 120907

Electrical - Horns Too Quiet, Inoperative, Or Has Poor Sound

Horn sound issues

Topic number LI54.35-P-053444

Version 2

Design group 54.35 Signaling system

Date 09-07-2012

Validity 204 Bremen production up to August 2011 VIN 204.... F775666

204 South Africa production up to August 2011 VIN 204 ... R193863

2011 Mercedes Benz Truck GLK 350 (204.956) V6-3.5L (272.991) Page 28

204 Sindelfingen production up to December 2011 YoM 802 +052

212 up to YoM 802 + 052

218 up to YoM 802 + 052

Reason for change Damage code revised

Complaint:

Horns too quiet, inoperative or have poor sound

Cause:

Flat plug on horn broken off

Remedy:

Replace problem horn with new horn with 2-pin plug contact