W124 300E Alternator Replacement options?

Discussion in 'Parts, Maintenance & Servicing' started by DouglasMM, Feb 28, 2015.

  1. DouglasMM

    DouglasMM Member

    Messages:
    36
    Joined:
    Feb 20, 2015
    Car:
    300E
    Hi everyone, I'm new here and back in old Merc ownership after a few years. I've just bought a 1992 300E with 142K miles on the clock and in very good condition. One thing I'm having an issue with is the alternator is noisy and has appreciable end float in the pulley with the belt removed so time for a new alternator!
    I thought of rebuilding the original Bosch with new bearings and regulator but I can't shift the pulley nut even with my biggest air gun so I think I'll give up and get a replacement. My question is can someone recommend a good replacement rebuilt supplier? There are plenty around on eBay etc but I'm worried about getting cheese junk and paying over the odds for a Bosch replacement seems wrong. I did a search on the forum but turned up no advice. Anyone have a recommendation? I'm located in the SE near Woking.

    Cheers,

    - Douglas
     
  2. campbe11

    campbe11 New Member

    Messages:
    6
    Joined:
    Dec 13, 2011
    Car:
    280GE
    I used mister-auto.co.uk recently for a replacement Bosch alternator,there are a few listed for 300e between 80-120pounds depending on part number,they also sometimes have a 10% alternator discount promotion,you are surcharged 22 pounds or so to return old alternator but I didn't bother as it was £15 or more to post and their return place was in France.
     
  3. theRéhann

    theRéhann New Member

    Messages:
    10
    Joined:
    Mar 10, 2015
    Location:
    Johannesburg, South Africa
    Car:
    '91 W124 300e and 2011 Triumph Tiger Explorer
    My '91 300e's alternator started making a weird noise and the charge light came on. Next day I took it to a reputable auto electrician and they replaced the regulator as well as the alternator's bearings.

    Cost ZAR1 300 (abt GBP70) and it now runs like a dream.
     
  4. ray_hennig

    ray_hennig Active Member

    Messages:
    614
    Joined:
    Dec 1, 2008
    Location:
    France
    Car:
    MB 300CE-24 Sportline
    Yes, that's what I had done. Well worth it.

    RayH
     
  5. dinoy

    dinoy MB Enthusiast

    Messages:
    1,999
    Joined:
    Feb 15, 2010
    Location:
    london
    Car:
    mercedes of course
    try eurocarparts got lucas recon starter with 1 year guarantee for 70, they got 2nd hand died in 1 day.

    also heater motor 2nd hand was 30 but new one from euro was 25

    i check their w124 prices first recon granted with guarantee
     

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