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Car Responding Strange. Wet looking MAF

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Old 05-20-2023, 06:47 AM
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2004 CLK 320 Coupé
Car Responding Strange. Wet looking MAF
Hey Guys.

Need some advice. Car was acting sluggish and weird. So I pulled out the plug for the MAF to test.

Seemed to be okay until I got home. Pulled off the covers and saw it was wet. Around the sensor looks oily. Even the underside of the engine cover where the MAF fits into looks darker like it was oiled.

Any advise on what this can be.

Serviced her 2 weeks ago. 0w-40 Shell oil. And OEM filters for Oil and Air. Air filter is bone dry.

M112 with 289 000kms. Never missed a beep.

Breather hoses don’t look cracked but driver side hose seemed oily/wet as well.
Last edited by LordPhoenix; 05-20-2023 at 06:49 AM.
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Old 06-06-2023, 11:22 AM
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W209 CLK 270 CDI ELEGANCE 6 gear manual transmission
hello, check the PCV valve of your car. Have you ever replace PCV Valve in your car ? If not, it is time to replace your PCV valve.

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Old 06-06-2023, 12:52 PM
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Also, check around the EGR valve area.
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Old 06-06-2023, 04:57 PM
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2004 CLK 320 Coupé
Originally Posted by Clk_master
hello, check the PCV valve of your car. Have you ever replace PCV Valve in your car ? If not, it is time to replace your PCV valve.
Never replaced. Is it difficult? And what would I be checking. Just need some guidance.

Car still runs well. Besides the above.
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Old 06-06-2023, 04:58 PM
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2004 CLK 320 Coupé
Originally Posted by Flame3g
Also, check around the EGR valve area.
hey there.

what exactly would I be checking for? - Sorry never had this before. So not sure what I’m looking for.
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Old 06-08-2023, 11:28 AM
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Just leaks in general, just do a thorough examination of the area.
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Old 06-08-2023, 11:30 AM
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2004 CLK 320 Coupé
Originally Posted by Flame3g
Just leaks in general, just do a thorough examination of the area.
will it throw any codes ?
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