ML 350 4MATIC (164.186) V6-3.5L (272.967) (2006)
Coil Spring Seat: All Technical Service Bulletins
Suspension - Rear End Creaking/Grunting Noise On Bumps
Date: June 8, 2006
Order No.: T-B-32.20/39
Supersedes:
Group: 32
SUBJECT:
Model 164.175/186, Up to VIN A050000 without Airmatic Suspension (Code 489)
Creaking / Grunting Noise From Area of Rear Axle When Driving Over Road
Undulations
If you receive customer reports in the above model vehicles of a creaking / grunting noise from the rear axle area when driving over road undulations,
replace the rear upper spring seat(s) with a revised part (Figure 1). Reference WIS document AR32.20-P-0230GZ.
