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Discussion Starter #1
I am looking to buy or use a code reader for a 1994 C220. Any ideas? How much do they cost? I can't seem to find anyone other than specialty mechanics, which are expensive, who will read the codes
 

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2013 VW Golf Sportwagen TDI, 2011 Mazda 2, 2000 E320 4Matic Wagon (retired),1994 C280 (retired)
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Any OBDII code reader will work. The W202 was the first production car to be compliant with OBDII, which wasn't mandatory until 1996. When looking at code readers you want to ensure you have one that doesn't just read the code, but also has the ability to erase codes as well. Better code readers will not just give you the code number, but will also tell you the fault type. Some will even give you streaming data in real time as you run the engine with the code reader plugged in.
 

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Discussion Starter #4
One More Question

Is it accurate then, when Pep Boys tells me that the can't read my codes because they don't have the correct adapter? They tell me I need to go to a German car specialist. Should I explain to them that my car uses the OBDII? They will read code for free, just told me they can't read my car.
 

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They told me it's not the computer, its the key that won't fit. I have no idea what they mean. I guess I'll just have to get it read at my local Mercedes dealer. I was just trying to avoid the high cost.

Thanks everyone for your advice.
 

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W201, W202, W203, W204, W205 Moderator
Amethyst 2001 C320
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Just tell them it is a 96.

What he said. Their training tells them that OBDII only works on '96 and above, so it's more work than it's worth to re-train these people. Just tell them you have a '96 and they'll read the codes for you.
 
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