Mercedes-Benz
CLK430
6

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

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 125,000 (125,000–125,000)
5 model years affected: 1999, 2000, 2001, 2002, more2003
6 people reported this problem
Comments
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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