Body - Retractable Hard Top Noise Diagnosis: Overview

Date: May 2008

Order No.: P-B-77.30/33c

Supersedes: P-B-77.30/33b; March 2008

Group: 77

Revision c: Updated to Include All 230 Models

Revision b: Repair IV Time changes, Model Indicator R3 added

Revision a: Corrected part number for "Window Cleaning Agent"

SUBJECT:
MY-All

Model 230

Noises from Vario (Hardtop) Roof

This bulletin is intended to contribute in finding an effective problem solution to the complex topic of customer reports about "noise":

I. Noises at seals of Vario (Hardtop) Roof when driving

II. Noises in rear window stop area on C-pillar

III. Noises in area of eccentric lock on C-pillar

IV. Noises in rear window stop buffer area

V. Noises in rear power window retaining plate area

VI. Crackling noise in area around mount for front lock Vario (Hardtop) roof while driving

VII. Noises in C-pillar pivot point area (up to VIN number 054902)

VIII. Noises in area of front lock of Vario (Hardtop) Roof when locking (up to VIN number 001452)

IX. Noises in area where lock covers meets main guide (up to VIN number 047857)

Warning!
Use a suitable tool to secure the Vario roof. Risk of injury with fingers becoming trapped or crushed exists when working on partially open Vario roof (stop mode) or when the roof is positioned in its closing radius as that can cause the Vario roofs sudden collapse.

Warning!
Risk of injury. Moving parts can pinch, crush, or in extreme cases even sever extremities.

No parts of the body or limbs should be within the operating range of the mechanism when moving components.





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