Wednesday, June 29, 2016

Honking/squeaking noise from the area of the steering system when steering Topic number L146.20-P-049852 Version 2 Design group 46.20 Steering gear

2010 Mercedes Benz C 63 AMG Sedan (204.077) V8-6.3L (156.985)

Vehicle: All Technical Service Bulletins
Steering - Honk Or Squeak When Steering In Both Directions
Honking/squeaking noise from the area of the steering system when steering
Topic number L146.20-P-049852
Version 2
Design group 46.20 Steering gear
Date 04-24-2013
Validity MODEL 204 except 4MATIC, except 204.9 (GLK) and
without code (211) Direct steering
MODEL 207 without code (211) Direct steering
MODEL 212 except 4MATIC and without code (211)
Direct steering
Reason for change - Note on correct installation position
of radial shaft sealing ring and attachment 001
(illustration) added
- Model designations updated
- Validity revised
Complaint:
Honking or squeaking noise when steering in both directions, mainly occurs when warm.
Cause:
Wear on the bottom radial shaft sealing ring of the control head due to insufficient lubrication can result in honking/squeaking noises.
Remedy:
Replace bottom radial shaft sealing ring of control head.
Please note:

2010 Mercedes Benz C 63 AMG Sedan (204.077) V8-6.3L (156.985)

When installing the radial shaft sealing ring (13, see attachment 001), always make sure that it is correctly positioned! The spring (17, see
attachment 001) must be visible. Also, the disk spring (15, see attachment 001) must be installed as shown.
1. Remove steering
2. Replace bottom radial shaft sealing ring of control head
Important note on steering systems in MODEL 204:
Due to a technical modification to the sealing concept, both internal oil lines must be replaced when performing this repair on steering systems up to
a certain steering number. The steering numbers are listed in the parts table under the parts "Steering gear repair kit".
On steering systems after this steering number, only use the sealing washers and sealing rings from the radial shaft sealing ring repair kit. It is not
necessary to replace the lines.
3. Adjust play between thrust piece and steering rack
4. Install steering
5. Check function of steering
* Sufficient for 5 cars, Submit as Local Purchase - SPG00196, Qty 1, handling is included


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