Harmonic Balancer May Fail and Damage Timing Cover on Mercedes-Benz CLK430

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: 125,000 (125,000–125,000)
5 model years affected: 1999, 2000, 2001, 2002, more2003
6 people reported this problem
1 person shared problem details
as stated above, balancer seperated and outer portion slid back towards engine and started machining into cover and block poor quality parts should be replaced for free by MB--IMHO
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