| 1. If the control lamp of a charge of the battery on the dashboard does not burn at the included ignition, then at first check a lamp chain. |
| 2. If defects are not found, then the generator which in this case should be taken to repare is faulty or to replace. |
| 3. If the control lamp lights up on the working engine, then check a tension of a belt and fastening of the generator. |
| 4. If defects are not found, then take the generator to repare. |
| 5. If there are signs of malfunction of a chain of a charge at the burning control lamp, then check tension regulator as follows. |
| 6. Connect the voltmeter to the battery. |
| 7. Finish engine speed to such at which tension on the generator of 13-14 Century. |
| 8. Include everything consumers (headlights, a glass heater, etc.) and check tension which has to be still 13–14 Century. |
| 9. If tension differs, then the generator is faulty and it should be taken to repare. |
Автосервис mercedes источник.