squealing noise when start engine? What causes that.

What is your question?

When. we start out mercedes the engine makes a loud squealing noise that may continue when we drive it for a period of time. We have replaced the anternator, belt and idler pump

Visitor

in Hanover MA

Feb 1, 2011

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What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Mercedes-Benz C280. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

squealing noise when start engine? What causes that.

What is your question?

When. we start out mercedes the engine makes a loud squealing noise that may continue when we drive it for a period of time. We have replaced the anternator, belt and idler pump

Visitor

in Hanover MA

Feb 1, 2011

2 Replies

Popular Answer

Visitoron Feb 1, 2011

most likely the serpentine belt is slipping because the belt tensioner is failing

motorcarsinternationalon Feb 28, 2011

may be and over chargibng or over worked alternator,have the battery tested and charging system checked at a benz shop,also make sure the belt and tensioner were replaced with german quality parts not the cheap aftermarket chinees parts

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Popular Answer

What are the best Mercedes-Benz repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Mercedes-Benz C280. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.