W123 Resources

Here you can find a listing of all the various resources I’ve made to help you repair, maintain, and care for your W123, or similar body style Mercedes.

Parts:

Articles:

  • Bosch Temperaturregler Repair
    What I thought was monovalve problems turned out to be an electronic control box hidden behind the glove box. My heat was erratic, hot, cold, different vent temps at idle …
  • W123 Resources
    Here you can find a listing of all the various resources I’ve made to help you repair, maintain, and care for your W123, or similar body style Mercedes. Parts: Articles: …
  • W123 Mercedes fuel filter crush washer upgrade (Stop that fuel leak)
    The Aluminum crush washers used on the OM617, OM616 and likely other Mercedes is a common spot to have a slow fuel leak. Many times that crush washer doesn’t seal …
  • W123 Mercedes AC improvements
    One often complained about part of owning a W123 Mercedes is the less than stellar AC performance. I’ve gradually been working to improve mine to determine what modifications are worth …
  • W123 Mercedes front brake overhaul
    It is important to keep your braking system in tip-top shape, as you need to be able to stop without running into things. I’ve personally found that running into things …
  • W123 Vacuum Diagrams and Troubleshooting Information.
    This is the start of my project of making vacuum diagrams for my W123 Mercedes. I’m quite confident in saying its rough. VERY ROUGH. Take these with a grain of …
  • W123 VDO Cruise control repair Saga
    The VDO Cruise control unit used on the w123, w126, w124 and likely many other mercedes models was also used on a pile of other cars, including Porsche, BMW, even …

Videos:

Refilling viscous fan
Greasing door hinges
Automatic climate control box/amp repair
Vacuum stop pod replacement
Bosch MW injector pump replacement
Lemforder Steering idler groan diagnosis
Oil pan replacement
Replacing rubber oil cooler lines
Al129X 115 amp Alternator upgrade
Delivery valve crush washer replacement
Leaky injector return lines
Oil Change
Hood Hinge Drains
Fuel tank vent
Glow plug Testing, Reaming, Replacement
Transmission fluid change
Sun visor replacement
Fuel cap cleaning
Fuel door drain
Continental TR7412UB-OR head unit installation
Klimakit Sanden AC compressor upgrade (AC Improvement)
Coolant overflow tank
ALDA Testing
Rear windshield seal replacement
Timing chain stretch check (Cam mark method)
Wiper nozzle adjustment
Brake system overhaul
Monovalve connector repair (AC Improvement)
Vacuum system part 1
Power steering fluid and filter change
Differential fluid change
Aux fan mod and Evaporator cleaning (AC Improvement)
Recirculation mod (AC Improvement)
Secondary filter O-ring replacement
Cruise amp repair (Part 3 of Cruise control series)
Cruise stalk and wiring (Part 2 of Cruise control series)
Cruise actuator (Part 1 of Cruise control series)
Fuel pressure testing, OFV repair
2 Micron fuel filter mod
Diesel purge
Tank strainer
Finding lost HP
Locating cabin water leaks
Aux fan bearing replacement
Injector nailing comparison old vs new nozzles
Door seal replacement
Fuel level sender repair
Dome light replacement
Glow relay mod

Playlist of all my W123 related videos:

4 Comments on “W123 Resources”

    1. check out Woods &Barclay YouTube channel on how to install dashboards on w123’s cars . Others channels also have videos on w123 dashboards.

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