2020 Mercedes Benz Truck ML 350 Technical Service Bulletin # LI46-10_P-054715 Date: 121014
Steering/Electrical - Steering Wheel Buttons Inoperative
Steering wheel multifunction buttons nonfunctional
Topic number LI46.10-P-054715
Version 1
Design group 46.10 Steering wheel, casing tube, steering shaft, steering lock
Date 10-14-2012
Validity 164 up to 063689
251 up to 008834
Reason for change Content and part numbers - replaces T-B-46.10/48a from date 10-SEP-07
Complaint:
Multifunction buttons on steering wheel nonfunctional due to a short circuit on the horn plate.
Cause:
Short circuit on the horn plate of the steering wheel due to amine deposits from the steering wheel foam.
Remedy:
Replacement of the steering wheel.
Note:
Some parts may be non-stocking parts for MBUSA and possibly C66 and not immediately available from DAG. Please be aware and check
availability prior to scheduling customer repairs.
Symptoms
2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) Page 8