Electrical system test.
Replace water pump before engine is damaged.
Replace battery if over four years old.


Vehicle: 1982 Mercedes Benz 300SD
Part: Voltage Regulator
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Voltage Regulator
Bosch 0.192.062.007
External. Previous 002 154 18 06 = Bosch 0 192 052 006 or 1 197 311 090 are still available from Bosch and maybe prefered by customer in replacing item with like item.
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Voltage Regulator

http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1O318DB3D1OD0WO0NY&year=1982&make=MB&model=300-SD-002&category=All&part=Voltage+Regulator


PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1982 Mercedes Benz 300SD
Part: Alternator
Note: AL 117x
65 amp.
F4000-10010 Alternator 65amp - Remanufactured Bosch IN STOCK $163.49

http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1O318DB3D1OD0WO0NY&year=1982&make=MB&model=300-SD-002&category=All&part=Alternator

__________________
ASE Master Mechanic
https://whunter.carrd.co/

Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
Automotive Technical Writer

1985 300SD
1983 300D
2003 Volvo V70

https://www.boldegoist.com/