This video shows how to locate and repair the fuel pump relay in a 1983 280 SL. The video also touches on the fuel pump relays and fuses in earlier SL’s including the 113 Pagoda. The fuel pump relays in later 500 SL’s had a part number 0025453305 which was replaced by 0035452505. That part itself was replaced by 0035451805 and then again by 0035450105 which is supposed be the latest part number. There was a note with this part which says for use with catalyst up to identity number 502269 from identity number 502270 use part number 0035452505. The SL Shop Parts sells various fuel pump relays for prices between £60 and £80 but you can often find the part you need on eBay for significantly less. The SL shop also offers a refurbish service on the earlier relays for the 1983 280 SL.
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