Mercedes-Benz CLK430 Problem Report
Mercedes-Benz CLK430 Harmonic Balancer May Fail and Damage Timing Cover
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.
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 - Visitor
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