E 320 BLUETEC (211.022) V6-3.0L DSL Turbo (642.920) (2007)
Figure 1 - Stop buffer, shown on model 171
Figure 2 - Stop buffer, shown on Avantgarde buffer. grease contact surface and head bearing well. - Do not disassemble the suspension strut!
Technical Service Bulletin # LI32-20_P-047410
Date: 090908
Suspension - Creaking/Rumbling From Front Axle Area
CREAKING/RUMBLING NOISES FROM AREA OF FRONT AXLE
Topic Number
LI32.20-P-047410
Version
2
Design Group
32.20 Steel springs/torsion bars, Niveaumat
Date
09-08-2009
Validity
Model 211, without AIRMATIC (SA code 489)
Reason for change
Reference to head bearing added.
reason for block
Complaint:
The noise occurs when driving over uneven ground.
The noise can also be reproduced by rocking the vehicle at the front axle - see attachment (0.1mpg).
Attachments
Cause:
One possible cause of the noise is relative movement of the stop buffer.