190E (W201) 1982-1993: 190E 2.3, 190E 2.6, 190E 2.3-16, 190E 2.5-16, 190 D 2.2, 190 D 2.5, 190 D 2.5 TURBO, 190E 2.5-16 Evolution I, 190E 2.5-16 Evolution II

W201 dash warning lights on

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Old Aug 30, 2016 | 05:45 PM
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kmancoupe230's Avatar
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02' C230 Coupe & 92' 190e 2.6
W201 dash warning lights on

Was driving today when all the lights turned on. It's a 92 190e 2.6 alternator, battery and plugs were changed about a month ago. Any input is appreciated.
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Old Aug 30, 2016 | 08:25 PM
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kmancoupe230's Avatar
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From: NYC / Northern NJ
02' C230 Coupe & 92' 190e 2.6
Also wanted to say that the reading on the multimeter was around 12.7 on the battery when the car was running

Last edited by kmancoupe230; Aug 30, 2016 at 08:28 PM.
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Old Aug 31, 2016 | 08:07 AM
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2006 E55, 2012 GLK350 & 1992 190e sportline
I have seen this a few times and it is almost always a voltage issue. Where did you get the parts?
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Old Aug 31, 2016 | 08:32 AM
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02' C230 Coupe & 92' 190e 2.6
Hi Insame1, i picked up the alternator from a local parts distributor - carquest - and the battery from Walmart. The battery is larger than the standard side as an FYI - its the 900CCA - same size as the one in the newer C classes. Generally, i always go OEM but was in a bit of a bind this time and didnt have enough time to order the parts on autohausaz. Do you think this could be causing the issue? I also ordered a new OVP relay from amazon: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Old Sep 4, 2016 | 08:57 PM
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kmancoupe230's Avatar
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From: NYC / Northern NJ
02' C230 Coupe & 92' 190e 2.6
Changed the alternator today and the battery, lights were off for a bit and turned back on tonight, any suggestions?!

Update - Installed a new ground from the engine block to the chassis which seems to have solved the problem. 100% due to weak alternator. Suggestion to anyone experiencing this problem replace the OVT and the Alt + new ground from the block to chassis & new ground from battery to chassis.

new problem is to figure out a way to tighten the drive belt..

Last edited by kmancoupe230; Sep 5, 2016 at 10:26 PM.
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