These series of pages are intended primarily for the W123 chassis Mercedes-Benz (77-85 300-series & 240D) however some may also
work for the W126 chassis Mercedes-Benz (81-91 300SD & 300SDL). The links outside of this site will open in a new window. Watch the status bar for additional text on certain links.
Most bad links were fixed or labeled as such!
Chassis:
Front Suspension Rebuild
Fuel Tank Removal
Fuel Tank Sender Removal
Renewing Steering Feel
Replacing Rear Subframe Mounts
Drivetrain:
B2 Piston, Transmission Repair (broken)
How to Replace the CV Boots
Adjusting the Transmission (broken)
Adjusting Transmission
Fixing Transimission Flare on 2-3 (broken)
Testing Transmission (broken)
Transmission Adjustments
Tuning Transmission Shifting
Exterior:
How to Change that Broken Power Antenna Mast
Brake Light Modification
H4 European Light Upgrade (W126)
Headlight Relays & Upgrades
Getting the Electric Sunroof to Speed Up, Link 2
Interior:
Resoldering Climate Control
Repairing Cruise Amp
Resoldering Cruise Control
Troubleshooting Cruise Control
Brake Light and Cruise Control Myths
Clock Repair
Conversion to Electric Vacuum Pump Powered Locks
Installing Evaporator
Brightening your Dash Backlighting
Odometer Repair
Repainting Gauge Needles
Ignition Switch Troubleshooting
Seat Heating Element Wiring
Refinishing the Wood in your W123
General Maintenance:
Accessory Belt Replacement
Injection System Cleaning
Oil and Oil Filter Change
Power Steering Filter and Fluid Change
Rear Brake Servicing
Repacking Bearings
Motor:
ALDA Repair
Auxiliary Water Pump (W126)
Fuel System, Misc. Engine, and Wiring Diagrams
Disabling EGR
EGR Control Valve Replacement
Fast Start Glow Plug Kit
Replacing Glow Plugs
Injection Pump Timing
Repair of Monovalve on W126
Upgrading Primer Pump
Priming Fuel System After Overhaul
Adjusting Rack Damper Bolt
Replacing Turbo Oil Return Tube Seals:
Link 1,
Link 2,
Link 3,
Link 4
Tweaking the turbo for more performance
Wastegate Spring Tension Adjustment
Valve Adjustment
Vacuum System
Checking Boost Lines And Overboost Switch
Rebuilding the Vacuum Pump
Vacuum System Tuning (Transmission)
Vacuum System Diagrams and Information (More Links Inside)
Other Helpful Links:
Biodiesel and Waste Veggie Oil (WVO) Conversion:
Link 1,
Link 2,
Link 3
Diesel Mailing List (broken)
Interior Color Chart
Long Term Storage
MBZ.org
Mercedes Shop Forum
Miscellaneous Reference Articles
Online Factory W123 Manual
Things to look for when buying a W123, Link 2
W123 General Information
Online Parts Stores:
BMA Auto Parts
Buy MB Parts
Imported Car Parts
Mercedes Shop, Fastlane
Mercedes Source
Performance Products
Used Mercedes Parts
Other Chassis:
W124
W140
Nearly all pictures are linked to a larger version, I typically have many more pictures so if you'd like to see some more just email me. If you know of some good DIY pages, would like me to host a DIY page you wrote, have any questions, comments, or suggestions feel free to
contact me. Remember to replace the (at) with @ in the anti-spam email address.
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