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Helping Mercedes owners repair it themselves by providing easy to understand videos, manuals and kits with instructions. www.mercedessource.com

And as always, providing affordable and top quality parts. We specialize in Mercedes Benz up to 1995

Photos from Mercedessource.com's post 06/05/2026

Theory of Operation Mercedes Ignition Key, Steering Lock and Switch Assemblies

This video is just a brief overview on how to isolate and repair a sticking ignition key problem along with tips to prevent getting stranded with a key that won't turn (because that can happen). Applies to all Mercedes from the early 1960's to the mid 1990's.

>>> Video:
https://youtu.be/V5FQEkCflMc?si=bLseJJU1f42eWbuK

>>> For repair parts, complete instructions and tips on how to fix a sticking key problem yourself:
https://mercedessource.com/problems/interior/ignition-key-sticking-or-jamming

Photos from Mercedessource.com's post 06/04/2026

300TD Wagon Buster 4: Self-Leveling Hydraulic Suspension Worth Saving?

This W123 wagon has the complete, intact factory SLS (self-leveling suspension) for the rear end. When working properly, you can load up the back end of the wagon with a lot of weight and it will stay level. That makes the car handle much better when hauling heavy loads and extra bodies (third seat model). In this video, I will show and explain all the key components that make up the system.

>>> Video:
https://youtu.be/QYPYxF7xlKg?si=zXtcUi3VH6jyoZJO

>>> Link to other videos:
https://youtube.com/playlist?list=PLtRKk64pu2wrNKVaIMzUUWRu7ixieFb4s&si=m-zogpnI6xjEpket

>>> Link to SLS repair parts:
https://mercedessource.com/store/search?keys=sls

06/03/2026

Why Transmission Won't Shift? Mercedes W124 300E Rolling Restoration Series - 4

To keep it rolling, I decided I just had to find the problem with the transmission. You WILL be surprised.

>>> Video:
https://youtu.be/Ne1SVfgpd9A?si=TKkU7TJ16Nhk17OU

>>> Full series:
https://www.youtube.com/playlist?list=PLtRKk64pu2wrai_XDVXtmyIsTu1cDmFrr

06/02/2026

Custom Stubby Ratchet Wrench / Nut Driver to Work in Very Tight Places

This has become one of my favorite tools.

You can make one yourself or order here:
https://mercedessource.com/store/sawed-cutom-14-swivel-head-ratchet-wrench

>>> Video:
https://youtu.be/IYgb3knPgLE?si=oMBqtt8xxcR_eSjj

Photos from Mercedessource.com's post 06/01/2026

722.6 5-speed Transmission: How to Power Drain All the the Fluid Out

You have heard that a transmission flush may cause problems. There is a different way to drain it all. Applies to most 1998 to 2006 Mercedes transmissions.

>>> Video: https://youtu.be/PrkzkF4MJCg?si=h-Bp462ygPP3fpF9

>>> Service Kit: https://mercedessource.com/store/7226-transmission-power-drain-full-service-kit.

Photos from Mercedessource.com's post 05/30/2026

Front Differential W221 S550 Service: Where is the Fill Plug?
Many have searched high and low only to discover there isn't one. In this video I will show you my solution.

>>> Video:
https://youtu.be/9Wk1p-vKA2g

>>> Pressure fill tank:
https://mercedessource.com/store/7229-transmission-fluid-service-pressurized-fill-tank-w-correct-fittings

Photos from Mercedessource.com's post 05/29/2026

Accurate Way to Measure Fluid Level in Mercedes 722.6 Transmission

Have you wondered how you are ever going to be able to check the transmission fluid on your 1998 to 2006 Mercedes??? Kent has come up with an inexpensive answer for the D.I.Y. mechanic. The factory dipstick lists for around $95 and it only measures the fluid and it is not all that easy to see on the black end of it.

>>> Video:
https://youtu.be/QRZlpqQae_g?si=Y9W1llaQp7OxplU5

>>> Fluid measure and extraction kit:
https://mercedessource.com/store/7226x-sealed-life-transmission-inspection-kit

Photos from Mercedessource.com's post 05/28/2026

How to Fix a Front Bumper or Rocker Panel - For a PERMANENT Plastic Repair!

If you want to prevent the repair from cracking in the future, you have to use the right products. These are my recommendations for a permanent repair on plastic body panels that include breaks and tears in front and rear bumpers and side rocker panels.

>>> Video:
https://youtu.be/Bh-2BSZOqpI?si=77fLayG5DemdH8wp

Photos from Mercedessource.com's post 05/27/2026

1972 280SE 4.5 Rescue Wk 3: Making it Look Beautiful. All Those Small Things Add Up!

This is what makes a "rolling restoration" so enjoyable. You pick small projects where you can actually see the results transform the car.


>>> Video: https://youtu.be/IzVDIlbHGoU

Products shown in this video:

>>> Miracle L**e: https://mercedessource.com/store/search?keys=miracle%20lube
>>> Trunk seal: https://mercedessource.com/store/search?keys=trunk%20seal
>>> Hood pad install kit: https://mercedessource.com/store/search?keys=hood%20pad
>>> Miracle Paint: https://mercedessource.com/store/search?keys=miracle%20paint
>>> Exhaust hangers: https://mercedessource.com/store/search?keys=exhaust%20hanger%20assortment
>>> Engine parts: https://mercedessource.com/store/search?keys=D-jetronic

>>> Full W108 series: https://www.youtube.com/playlist?list=PLtRKk64pu2wqq2r8I2nvGu22tFmBNLAPl

Photos from Mercedessource.com's post 05/26/2026

1972 280SE 4.5 Rescue Wk 2: What to Replace or Repair to Make it More Reliable?

Once I determined the engine and transmission were healthy, it was time to perform additional preventative maintenance and repairs to improve reliability and prevent roadside breakdowns. Watch the video to see what engine components get neglected, what happens when they are, and what needs to be replaced.

>>> Video:
https://youtu.be/O0IYMUVK9z0

>>> W108 series:
https://www.youtube.com/playlist?list=PLtRKk64pu2wqq2r8I2nvGu22tFmBNLAPl

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