battery/alternator light

basssman

Senior Member
Joined
Feb 17, 2008
Messages
105
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1
Location
west of ireland
Your Mercedes
w210 320cdi 2000
Hi, I've just replaced all the glow plugs on my 320cdi (2000) 210. The batt/alt light still comes on after starting but the glow plug light is now staying off. I thought the batt/alt light would go off now as there is no other sign of a fault. Anybody else had this problem?
Thanks for your help...
mike
 

Xtractorfan

Senior Member
Joined
Nov 16, 2007
Messages
6,085
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159
Your Mercedes
S class
The battery/ alternator light is telling you that your alternator isnt charging, get it checked pronto, otherwise it will let you down, flat battery...
 

jimsinessex

Senior Member
Joined
Aug 4, 2003
Messages
350
Reaction score
1
Location
Essex
Your Mercedes
2008 W209 CLK 320CDI Coupe
If the light is up and the battery is not going flat it may be the signal wire from the alternator to instrument cluster is broken. I had the opposite happen, the main output wire from the alternator broke whilst the smaller signal wire remained intact. Result - the charge fail light remained out but the battery went flat with no warning.

Jim
 


ACMS Mercedes Ltd is an independent Mercedes-Benz service specialist based in Walsall. The company provides high levels of customer service and quality workmanship, at competitive prices. Call Mark on 01922 634666 or 07530 456000
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