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Discussion Starter #1
I own 3 cars and all 3 have the check engine light on :soap:
Pontiac Montana van was the gas cap.
Jeep Liberty is the o2 sensor. Before was getting 19mpg and NOW with getting 20.5! I left it alone.

Now for the slk 230 K ... it says "wastegate soleniod"

Car runs fine.

What now!
 

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I own 3 cars and all 3 have the check engine light on :soap:
Pontiac Montana van was the gas cap.
Jeep Liberty is the o2 sensor. Before was getting 19mpg and NOW with getting 20.5! I left it alone.

Now for the slk 230 K ... it says "wastegate soleniod"

Car runs fine.

What now!
have you managed to get a code from the obd?
 

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Discussion Starter #3 (Edited)
I'll have to get back with the "code#" but it says "wastegate solenoid A ... outside of perimeters" on the read out.

btw 03 slk 230k model

code is ... P0243
 

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Discussion Starter #4
I almost fainted !

Ok bit the bullet and took car to local Benz dealer.

They checked supercharger and all checked good. They also said they "relearned" the EDC.

Here is why I almost fainted. I bought this car from individual and has no warranty.

NO CHARGE and can we give you complimentary wash job and cappicino while you wait. LOL

I said sure ... need time to recover from the no charge.
 

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Sounds great. What was the name of the dealer? There are probably some other folks around that may want to use them. It's always good to know a Mercedes Dealer that provides good Customer Service.

Thanks for posting.
 
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