What Causes the Belt Noise in Mercedes 274 Engine?

1 Answers
StBenjamin
07/29/25 11:10pm
There are three reasons for the belt noise in Mercedes 274 engine. Loose Belt: If the engine belt still makes noise after drying, it indicates that the belt is too loose. Solution: Replace the engine belt with a new one to eliminate the noise. Water on the Belt: If the car passes through a waterlogged road and the noise is not loud, and the noise disappears after the belt dries. Solution: If this phenomenon does not occur frequently, there is no need to replace the engine belt. Damaged Belt: If the engine belt makes an unusually harsh noise when passing through a waterlogged road, it indicates severe damage to the belt. Solution: Replace the engine belt with a new one.
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