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Old 09-29-2003, 09:09 AM
s5001994 s5001994 is offline
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Join Date: Sep 2003
Location: Columbia, SC
Posts: 8
W140 Check Engine Light Codes

On my 94 S500 (126,000) the check engine light has come on again. The codes are 17 and 26. I show 17 to be data exchange malfunction between individual control modules and 26 to be upshift delay. Are these emergencies that need to be fixed immediately? If so, how much am I looking at in repairs?
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