OP
TOM BELL
Active Member
- Joined
- Feb 13, 2018
- Messages
- 28
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- Your Mercedes
- E220 Coupe 2012
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- Thread starter
- #21
Was that before you started the engine or after? Whats really needed is the voltage before starting and then again 2 minutes after starting.
He has just called me to say it was 14v before start up and 14.5v a few mins later