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#1
07-11-2007, 04:07 PM
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2000 ML320 spark plug and wire replacement.
My ML320 has 93,000 miles. The MZB dealer here in San Diego suggested I change all the wires to the tune of $1500! I was in too much shock to ask about plugs. I went to Inter Auto and they sold me STI wires and Bosch FR8DPP33 plugs. Is there anything special I need to know before diving into this? Is there a torque setting on the plugs? Are the plugs Inter sold me correct? They didn't give me a choice. Any help would be appreciated. Thanks.
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#2
07-12-2007, 09:08 AM
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Plugs are correct.
Original wires will be difficult to get off--MB suggests a special tool. Torque to 28nm, no lube on threads. MB wires are supposed to be ~$36 ea. at dealer.
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Kent Christensen Albuquerque '07 GL320CDI, '10 CL550. '01 Porsche Boxster Two BMW motorcycles
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#3
07-13-2007, 07:49 PM
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The "special tool" can be an open end wrench, I think 14mm. Slip it over the metal end of the plug wire and pull, or use it as a lever.
By the way, I had "check engine light" miss on number one, tested the resistance on the plug wires, (which were right on the money). By swapping wires I narrowed down the problem to the plug wire which tested good. (That wire, when place on cylinder #2 cured the #1 CEL, but gave a new code for a miss on number 2) Replaced that wire and both miss and CEL went away.
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#5
07-19-2007, 11:47 AM
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EBAY WIRES $150 all day long.
Hard to imagine Mercedes German wires would go bad by 100,000 miles.
Not one but two per Cyl. Ive never replaced ignition wires on anything because of failure. But I read lots of posts people replace them. I checked the OHMS on mine and they all read good. dont know why my engine is missing.
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Steve Danville what i did myself. CPS rear shocks MAS x 3. SparkPlugs (twice) Fuel pump & Filter Window switch replaced both failed horns with Honda horns. Cleaned ERG Tube Oil changes Oil consumption Fix Brake Pads A/C Recharge Anti-Freeze change X 2. Front Shocks. Monroe. $90 Mercedes Warrenty Work: Harmonic balancer,power steering clamp. Cat converters.Drive Shaft Bearing.s Replaced Outer Lower Tie Rods and front lower ball joints at 156,000 miles
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#6
07-20-2007, 11:57 AM
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plug wires and plugs
from a shop in san diego stand point we would have charged you around $900for plugs and wires using original parts.
plugs Bosch X12 FR8DPP33 $12.00 ea plugwires X8 112-150-01-18 @ $42.00 ea plugwires X4 112-150-02-18 @ $42.00 ea total labor 248.00
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1967 250 S 1967 280SE 1968 250S 1971 280 SE 1973 220 1974 280 S 1975 450 SEL 1976 220 D 1979 300SD 1983 300 SD 1985 230 TE euro 1986 280SL 1986 500 SEL euro 1986 190E 2.3 1990 300 SE 2003 C230 K 2004 C230 K 1987 560SEL 1987 300SDL now in canada 2005 C230 1998 C43 AMG Sold to DON 1993 190E 2.6 300TD Former daily driver Totaled current: R320 CDI Ram 2500 Cummins
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