2004 Mercedes C-Class Owner's Manual - Page 285
2004 Mercedes C-Class Manual
Page 285 highlights
Practical hints What to do if ... Display symbol Display message BATTERY/ALTERNATOR VISIT WORKSHOP! Possible cause The battery was charged with a battery charger or jump started. The battery is no longer charging. Possible causes: alternator malfunctioning broken poly-V-belt Possible solution Have the battery checked at a service station. Stop immediately and check the poly-V-belt. If it is broken: Do not continue to drive. Otherwise the engine will overheat due to an inoperative water pump which may result in damage to the engine. Notify an authorized Mercedes-Benz Center. If it is intact: Drive immediately to the nearest authorized Mercedes-Benz Center. # UNDERVOLTAGE ENGINE ON! The battery has insufficient voltage and can no longer supply the convenience functions such as seat heater*. Start the engine ( page 43). UNDERVOLTAGE The battery is malfunctioning. SWITCH CONSUMERS OFF! Have the battery checked at a service station. 285