Thread: 300e rough idle
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Old 11-29-2001, 06:42 PM
David C Klasse's Avatar
David C Klasse David C Klasse is offline
CheFrac is Back!
Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
Posts: 2,352
Do a search on the OVP... you will come up with EVERY LITTLE PEICE OF INFO you could ever want about it.
In brief it's a commonly faulty relay... called the Overvolt Protection Relay. It can be changed yourself (simply unplugs and plugs in) under the hood, and can be had here from partsshop for about $50.
This topic has been BEATEN to DEATH!!
2006 E350 w/ 155k miles (Daily Driver)

1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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