ML 55 AMG (163.174) V8-5.5L (113.981) (2001)
Note:
Use mirror (2) to inspect upper surfaces. If cracks (3, Figures 2, 3) and/or black exhaust residue are present at weld seam proceed to subject
C: Replace catalytic converter/front exhaust system.
Note:
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Hairline cracks on top welds of catalytic converters may be very difficult to detect during the visual inspection. Therefore, ensure this area
is well illuminated when inspecting with mirror.