This morning I went to start the car and it cranked over like it had a week battery the first time I tried to start the car.
Then I turned the key off an tried to start it again and it lit off.
After that I did some errands driving about 10 to 20 miles or so then I shut the car off and again it started like it had a week battery for about 2 to 3 cranks then it lit off without having to turn the key off and restart it.
Im thinking it either has a week battery or charging system or a bad starter.
The battery light on the dash is not on but Im not sure how reliable that is to religh on for a definitive answer as to whether or not the charging system is working properly.
Please advise thank you.

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'85 F250 6.9L diesel 2wd XL XC LB Centurion, Gone
'95 Mercedes E 300 Diesel W124.131 with a OM606.910 and just over 200k on the clock, needs top end engine work and a transmission.
2000 S500 W220 with a 5.0L V8 gas power.