Mercedes-Benz CLK350 alternator issue with battery not holding charge overnight on Mercedes-Benz CLK350

Some Mercedes-Benz CLK350 owners report experiencing issues with the battery not holding a charge overnight, which may be linked to several factors. These owners often find that dirty or corroded battery terminals can contribute to the problem. Additionally, they may need to conduct a load test to determine the battery's capacity and inspect the charging system for proper functionality. Some owners have resolved issues by resetting the car's computer, while others discover that the alternator is not sending a charge signal, necessitating further inspection. If the vehicle starts after disconnecting the battery overnight, it may indicate that the main battery is faulty. Owners should also be cautious about low battery voltage, which can lead to battery damage and charging issues. If the battery light is illuminated, it signals that the alternator is not charging correctly, prompting a visit to a workshop for inspection. Furthermore, some owners report the need to check for parasitic electrical drains that could prevent the battery from retaining a charge.