2004 Mercedes CLK-Class Owner's Manual - Page 320

Practical hints What to do if ...? Symbol messages Display symbol Display message Undervoltage Charge battery Undervoltage Switch off consumers VISIT WORKSHOP! Possible cause The battery has insufficient voltage. The battery has insufficient voltage. Possible solution Start the engine ( page 43). Turn off unnecessary electrical consumers. 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. # 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 Do not forget that the brake system requires electrical energy and may be operating with restricted capability. Considerably greater brake pedal force is required and the stopping distance is in- If it is intact: creased. Drive immediately to the nearest authorized Mercedes-Benz Center. Adjust driving to be consistent with reduced braking responsiveness. 320