310 Maintenance Do not detach the connecting cables between the batteries. X Make sure that the charging voltage is cor- rect, 12 V or 24 V. X Observe the operating instructions for the battery charger. X Connect the battery charger (see the man- ufacturer's operating instructions). Parking up the vehicle When parking up the vehicle, special meas- ures according to Mercedes-Benz Specifica- tions for Service Products Sheet No. 383.0 need to be taken. For example, on vehicles with Telligent ® automatic gearshift, the clutch pedal must be folded out. Further infor- mation can be obtained from a Mercedes- Benz Service Centre. Maintenance and care