on two of my cars, the answer is yes.

pull it out and shake it... if you hear the slightest rattle, it is likely a goner.

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1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it


[/SIGPIC]

I've read here that they can rattle and still be good. Mine rattles.

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1984 300SD Orient Red/ Palomino
1989 560SEC
2016 Mazda 6 6 speed manual
1995 Ford F-150 reg cab 4.9 5speed manual

A place to buy is (MBV Parts) Dave Walton Spares in Oz or perhaps ******** in the US?

http://www.***************/search/product.aspx?sid=stm4at55ynakaa453bvocoiz&makeid=800016@Mercedes&modelid=1193105@260E&year=1989&cid=relay@relay&gid=4593@Overload%20Protection%20Relay

They all rattle. It's just the PCB in the mounting slots.

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1986 560SL
2002 Toyota Camry
1993 Lexus

my new ones didn't rattle.

the bad ones did not have blown fuses

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1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it


[/SIGPIC]

True tell symtoms of bad OVP would be Skin Rash, Migraine Headache, Overcast Weather, Fading Paint, Poor Radio Reception, Dirty Dishes, and Poor Credit.
The list is endless... , but these are the more common factors..........

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A Dalton