300SL & 300CE EZL differences
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I noticed many sellers say these are interchangeable so I bought an EZL allegedly from a 92 300SL for my '90 CE and discover the two larger plugs have 4 pins while my CE has 8. :confused: Is the EZL not from the correct year or are there differences with the two models? I realize the numbers should match or cross reference but there are so many compatibility lists from sellers and reputable rebuilders and they still aren't comprehensive or consistent. If you know of a correct list per year and model, please let me know...
For those shopping be aware of this difference. If anyone needs the type with the 4 pins, PM me |
According to the Mercedes EPC,
010 545 95 32 is for model 129.061 ONLY. (left picture) It does not cross reference to any other chassis. 008 545 96 32 is for 124.090 (300TE), 124.290 (300TE 4-MATIC), 124.030 (300E), 124.230 (300E 4-MATIC), 126.024 (300SE), 126.025 (300SEL) Only. (right picture) The reason these two parts are different is the fact that the 129.061 is a m104 based 300SL and the rest of the listed cars are m103 engined. In fact that might be one of the early m104's that still used the CIS-E system on it. |
pifcat, the following Part Numbers are all the 8-pin variety from our 1991 and 1992 300CE's:
016 545 04 32 (1991 300CE failed EZL) 012 545 20 32 (1991 300CE replacement) 013 545 83 32 (1992 300CE original) Our local indie explained to me that routine spark plug, distributor cap, distributor rotor and ignition wire maintenance prevents premature failure of the ignition control module (EZL). The replacement module was for a 1991 300SL because the MBUSA Parts System showed modules for the 1991 300CE as "backordered". Per a Beckmann Technologies rep these modules cannot be rebuilt because the internals are covered in epoxy which makes identification of the components impossible. Be sure there is a coating of heat-conducting paste on the back of the replacement module you install. If not, buy some at Radio Shack and apply it to the back. |
I finally registered for the EPC, that should comprehensively clarify any future purchases. I didn't know you can search a part number and it would give the chassis/model compatibility. Thanks!
This EZL "looked" right because it has 4 plug connections (plus the vacuum) while most standard 300E have 3 connections. So I've learned:
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You need to be careful with '90 - '91 300CE's
Some came with a M103 engine. Some came with a M104 engine using CIS. |
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I'm not sure if the 93 got the 3.2L M104 like the 94 & 95 E320 coupes. |
pifcat2, according to the online parts websites the 1993 300CE had the 3.2 liter engine like the 1994 and 1995 E320 cabriolets/coupes/sedans.
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I realize the '93 sedans had the 3.2L but not sure about the Coupes. They don't seem to exactly follow the sedan changes... |
According to Auto Haus AZ, 93 300CE:
300CE 124.052 3.2 L6 GAS 104.992 |
O.P. has a '90 300CE. Later specs don't come into it.
From the look of his original post with the two different EZL's one of them looks to be a M103 EZL. Different countries had different spec cars. You really need the VIN and then go to the Russian parts site to find out your original part number. |
What's the MB part number for the conductive paste on the back of the EZL's??
Michael |
Michael, a few years ago when I needed heat-conducting paste our local MB dealer didn't sell it. The Parts Department rep advised me to buy it at Radio Shack.
A new EZL comes with a coating of heat-conducting paste covered by a thin plastic film so the paste doesn't stick to the inner fender. |
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Your 2.8 liter is badged as a 300E 2.8, so at least your badge reflects the engine change. 1993 300E's badged simply as 300E are misleading, since it doesn't reflect the new engine. They should've badged these as E320 (like '94 and '95), 300E 3.2 (to be consistent with 2.8) or 320E like they did in the rest of the world. |
In our market an early '90's 300E or 300CE came with a M103
A 300e 24v or a 300CE 24v came with the M104 with CIS. The badges on the rear reflected the differences. The difference at the dealership was how much you payed for the car. You payed a lot more for an extra 12 valves and extra horsepower. Of course over the years the M103 has been slightly more reliable :) |
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