What Does Your Mercedes-Benz Check Engine Light Mean

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What Does Your Mercedes-Benz Check Engine Light
Mean?
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Check Engine Light (CEL) or Malfunction
Indicator Lamp (MIL) is a warning sign.
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On-board diagnostic system uses this light to
tell you that get your car checked out.
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Listed below are a few reasons why your Mercedes
CEL may come on.
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Mercedes-Benz check engine light Flashing- Causes
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Failing Ignition System
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Flawed ignition system components can prompt the
ECU to turn on CEL in your car.
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If you dont address the issue on time, you might
end up damaging the engine.
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Incorrect Air-To-Fuel Ratio
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Another major reason why your CEL may come on is-
the abnormal air-to-fuel ratio.
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Ignoring this issue might adversely affect your
Mercedes fuel economy.  
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Issues With The Exhaust System
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The exhaust system serves to remove the
byproducts of the engine operation.
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Additionally, it makes sure that your car engine
is breathing smoothly. 
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Increased back-pressure due to a faulty exhaust
system can persuade the ECU to turn on the CEL.
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Malfunctioning Sensors And ECU
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The ECU employs an array of sensors to regulate
different aspects of the engine operation.
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If anything goes wrong with it, you may expect
your car CEL to come on.
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Failing Emission Control System
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Another major reason why your CEL may come on is-
a malfunctioning emission control system.
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If you dont fix the problem on time, your
Mercedes might fail an emission test.
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Summing Up
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Lit-up CEL in your Mercedes-Benz is essentially a
sign of trouble.
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Triggered by the onboard computer, CEL warns you
that there's something wrong with your car.
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All you have to do is to call your mechanic so
that the exact issue can be diagnosed.
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