C-Class (W202) 1995-2000: C 200 CDI, C 220 CDI, C 270 CDI, C 180, C 200 K,C 230 K, C 220, C230, C 280

Alternator problems on C180 W202

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Old 09-23-2018, 11:38 AM
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1996 Mercedes Benz W202 C180
Alternator problems on C180 W202

Hi,
I have the C180 W202- 1996 model. The alternator brushes were worn, but I replaced it where-after the alternator work again. However after a few miles, the light came back on.
Had to drive straight home. Now the battery is also dead. What caused it and how to repair?
Old 09-24-2018, 12:57 AM
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02w163ML500 / 97w210E50AMG / 99w202C230k / 95w124500e-wip
Also, do an obd scan to confirm the codes you get before and after your repair.

Last edited by khomer2; 09-24-2018 at 01:05 AM.
Old 09-24-2018, 01:01 AM
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02w163ML500 / 97w210E50AMG / 99w202C230k / 95w124500e-wip
Originally Posted by Boetabais
Hi,
I have the C180 W202- 1996 model. The alternator brushes were worn, but I replaced it where-after the alternator work again. However after a few miles, the light came back on.
Had to drive straight home. Now the battery is also dead. What caused it and how to repair?
You replaced the worn brushes.....a few miles later....light came back on. you drove straight home.
Now, the battery is dead.
It's apparent that your replacement of the brushes did not work so your alternator isnt charging the battery at all. You discharged the battery driving it a few miles and then back home without the alternator recharging the battery.
Driving it a few miles like this will drain your battery.
You need a new alternator, or have it rebuilt correctly:
http://www.peachparts.com/shopforum/...lternator.html
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