Need to check charging system via amps using a load rather than volt meter. The best results I have experienced is using MB batteries only. Aftermarket will often give problems, especially corrosion and obscure voltage readings.


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Mercedes-Benz Master Guild - 2 years
Shop Foreman - 20 + years - dealer.
Part owner - MBZ Transmission remanufacture
2000 SL500
1995 E320
1989 300SE