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Mercedes-Benz E500 Rough Idle

Learn if it's a simple fix or time to seek out a trusted technician.

What are common reasons my Mercedes-Benz E500 has a rough idle?

While there are a variety of reasons your Mercedes-Benz E500 has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil.
34%
of the time it's
Vacuum Leak
21%
of the time it's
Spark Plugs
15%
of the time it's
Ignition Coil

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Q. 1)car runs rought (hesitates) in idle, sometimes smooths out after driving, usualy it dont. it does little less he...

Mercedes-Benz E500 Rough Idle Repair Symptoms

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As we discussed, spark plugs are necessary for any gasoline engine to run. When they fail, the engine is in a constant state of attempting to ignite air and fuel, but cannot. Th...Read More