54.10._221 PDF

A service bulletin that provides instructions on replacing an additional battery in certain Mercedes-Benz models. It emphasizes the importance of checking and ensuring the battery's voltage is above 12.8 V before installation. The document specifies the charging voltage required and the use of the Midtronics Battery Charger PSC 550. It includes parts information and instructions on connecting the battery, detailing the necessary adapter lines and connection kits.