MB 1991 300E 六缸 2.6L 90K miles
著車後一切正常，不熄火，idle正常
啟動困難的狀態描述：
Alway cranking
Crank time longer,some times. but in summer, no problems at all, immediately,
Sometimes several times then start up ;
Sometims, cranking cranking, but no start,
After several attemps, ~10-20 minutes, eventually feel the battery is drained almost to the end (depletion, almost),
發生時的氣溫 -10~20 C，冷車, 總是冷車時，
3年前 換過新的 distributor cap, spark plug wires (6), 線路基本徹底在車鋪裏查過
油液按時更換。
謝謝大家！
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