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Old 06-28-2013, 09:40 AM
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Graham Graham is offline
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Join Date: Nov 2004
Location: Ontario, Canada
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Quote:
Originally Posted by vandor View Post
OK, I could not leave well enough alone, so I bought an ECU from a salvage yard. That ECU is from a '73 SLC and it has a different part number: CU36X (0 280 002 005), while mine is CU37X (0 280 002 008).

The weird thing is that when I look online, most parts list my '72's ECU as fitting '73 or '74.

How can I find out what ECU I'm supposed to have? And will the '73 ECU work in my car? As an interesting side note, both ECUs are remanufactured.
bye,

Csaba
72 280SEL 4.5
You can find the original part numbers on a site known as Bosch Tradition. It lists the Bosch part numbers for all Bosch parts used on many cars including Mercedes.

Bosch Automotive Tradition - Knowledge

If you look under Knowledge, you can find an equipment list for your car. I attached one below for a 1972 280 SEL. It is in German, but with a little guessing or help from an on-line translator, you can figure out most part descriptions.

It says that correct part for your car is 0 280 002 005. That would be same as ECU on my 72 350SL 4.5. But 008 is probably same internally.

This thread may be useful. Here is the key info:

Quote:
0 280 002 005 M117.98x US Emissions, fastening bolts (w107, w116)
0 280 002 015 M117.98x 1975 MY, US Emissions, fastening bolts (w107)
0 280 002 003 M117.98x euro Emissions, fastening bolts (W107)
0 280 002 008 M117.98x US Emissions, but no fastening bolts (w116)
0 280 002 015 M117.98x 1975 MY, US Emissions, no fastening bolts (w116)
0 280 002 009 M117.98x euro emissions, but no fastening bolts (w116).
Attached Files
File Type: pdf MF0910.pdf (49.1 KB, 145 views)
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Graham
85 300D,72 350SL, 98 E320, Outback 2.5
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