Harmonic Balancer May Fail and Damage Timing Cover on Mercedes-Benz C320

The rubber bond in the harmonic balancer can decay, which causes the balancer to move and work its way toward the timing cover. If the balancer comes into contact with the timing cover while the engine is running, it will fracture and damage the cover and potentially other surrounding parts. The harmonic balancer should be inspected at every service.

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Average mileage: 96,000 (96,000–96,000)
5 model years affected: 2001, 2002, 2003, 2004, more2005
6 people reported this problem
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2001 Mercedes-Benz C320 96,000 mi,
harmonic balancer wobbles