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$19.75

1976 to 1980 450SL 450SE 450SEL Bosch Gasoline Fuel Pump Protection Pre-filter

Prevents #1 cause of fuel pump failure - contamination! Install inline into the main 14mm ID fuel tank outlet hose. It is a tight fit. Will NOT work on the 6.9

It was difficult to find a filter to fit the correct size outlet hose. Install this steel 10-micron filter in your fuel tank outlet hose to protect your fuel pump. Clamps are provided along with a pull to plug the fuel hose temporarily to reduce fuel spills. 

$24.50
Currently out of stock.

W123 Early 240D Glow Plug Main Fuse Panel Repair Kit

Fits only 1977 to 1979 240D with fuse holder mounted on the firewall.

This is such a big problem on early 1977 to 1979 123  240D  diesels that I decided a good replacement kit was in order. Often I find the main feed wire loose or frayed, the fuse box cracked or melted, and the fuse connector points corroded or loose.

$11.50

W116, W123 and W126 Front Wheel Bearing Grease Cap x 2

Fits all 116 sedans from 1973 to 1980, all 123 sedans, coupes and wagons 1977 to 1985 and all W126 sedans and SEC coupes 1981 to 1991

A brand new set of two grease caps as shown by Febi. Time to get rid of those ugly beat up and dented grease caps. 

On Demand Video
$18.99

How to Do a Compression Test on Your Gas Engine - On Demand Video

Example showing 450V8 engine but same principles apply to all gas engines 1960 through the mid 1990s

In this 28-minute instructional video Kent with show you how to do a compression test on your own Mercedes gas engine and explain how to interpret the results. It is very important you do this procedure BEFORE "throwing" parts at your engine trying to fix a performance problem.

On Demand Video
$3.99

Spark Plug Do-It-Right Installation and Cleaning Tips - On Demand Video

These instructions will apply to all gasoline engines that use standard sized spark plugs.

You might be surprised to realize you spark plug holes need cleaning - and yes some REALLY need cleaning! This 5-minute video will demonstrate Kent's method of cleaning the threads in the cylinder.

$92.00

W123 Later Sedan and Coupe Original Hirschmann Antenna for Repair or Parts

For 1980 to 1983 W123 with the LARGER PIN PLUG - see picture. This style uses the smooth tail antenna mast which is included.

This may or may not be repaired with out additional parts. No guarantees. The motor runs and gears run back and forth. The mast tower was broken off but a new one is included ( see below). We are also include a brand new antenna mast.

On Demand Video
$9.99

Non-Tilting Sunroof Key Points of Lubrication - On Demand Video

Lack of lubrication causes them to fail or move slowly - Applies to all electric and manual sunroofs from 1966 to 1985

This video is loaded with tips on how to properly lubricate all the key components that make your sunroof operate smoothly and properly. It is NOT a complete manual on everything related to sunroofs. It will NOT show you all the details to get the sunroof out and back in.

$66.50

1968 to 1991 Most Models Parking Brake Shoe Replacement Kit with Extras

Kent's special tool and video instructions included. See applicable chassis and model list below BEFORE ordering.

Emergency brake shoe maintenance is often neglected because the rear brake disc / rotor has to be removed to inspect and repair them. If the car has ever been driven a long distance with the emergency brake on, expect problems.

$36.50

Early W123 Non Turbo Front Brake Hose Set with Instructions

For all 1977 to 1980 240D 300D 300CD 240TD 300TD 280E and 280CE

One of the most often neglected maintenance items we see even when brake work has been done at a shop. These should just be replaced every 15 years for better performance and to reduce excessive brake pad and rotor wear. 

$32.75

W123 Sedan and Coupe Tail Light Rubber Seals x 2

Stop that water from getting into your trunk.

BRAND NEW tight-fitting taillight seals for you 123. These are one of the key sources of water getting into your 1977 to 1985 sedan or coupe trunk. 

$30.00

Do-It-Right DIY Brake Repair Accessory Kit

You want your brake job done right with results that will last and prevent future brake squeal, brake shimmy, and poor pedal response? This is what you need!

Whether your just changing pads, hoses, or doing a complete brake system overhaul, the items we include in this DIY will guarantee the job gets done with no mistakes, minimum frustration, and lasting results. There is no other kit like this anywhere.

$17.95

Bundt Style Alloy Wheel Keychain w / Jewelry Box Included

Copies the style of 14 inch alloy wheels that came on 1970 to 1985 Mercedes Benz.

This is both an impressive and inspiring key chain for Mercedes owners and enthusiasts. Perfect gift item. Available in other styles. Please see the related products below. Watch the video of Kent and Kaia's road trip where they gave the first one away!

PDF
$18.95

MBZ Brake Systems Complete Repair Manual - PDF Download

Covers 1965-1995 Mercedes Benz Brake Component Replacement with 4-wheel disc brakes. DOES NOT COVER DRUM BRAKES.

This manual is a complete guide for all brake component replacement for all 1965-1995 Mercedes Benz cars. It will help you identify common signs of trouble, inspecting brake components, and replacing major brake components - a necessity for any DIY brake job on your Mercedes Benz!

$10.00
Currently out of stock.

Older Style Hubcaps Clips x 2 - USED

Fit all those round 14 inch hubcaps from 1968 to 1985

Good used clips as shown. No you can replace that missing clip on your hubcap!

On Demand Video
$12.99

Cleaning and Lubricating Key Points On and Inside a Door - On Demand Video

Kent demonstrates the use of his compact lube kit on many neglected door components

In this 22-minute instructional video, Kent will take you inside the door on a W123 240D and show you all the key points that should be lubricated and the type of lubricants you should use.

$145.00

Deluxe Full Service Lubrication Package

Most of our popular lubrication products combined in one package

This package of lubrication products includes all those items listed below under related products. You can purchase each one separately or altogether here and save. To learn more specific details about each product click on any one of the related products that you see listed.

$29.75

W123 Separated Dash Wood Repair Kit

Includes the best glue and Kent's lengthy (23 minute) video instructions

Tired of trying to get your bent dash wood to stick to the dash? Have you tried to glue it or use tape only to have it loosen or fall off again? This new kit Kent put together will solve the loose dash wood problem once and for all.

$82.50

1968 to 1985 Non-Tilting Sunroof Repair Products Combined Package

Purchase 7 of the products we offer to service and restore your sunroof in one package and save. Includes lube kit, 2 written manuals, and 4 on-demand instructional videos

INTRODUCTORY SALE: If you are going to "take on" servicing or repairing an old sunroof that does not work or that has been neglected, we are now offering all of Kent's non-tilting sunroof related manuals and video instructions in one package.

On Demand Video
$12.99

How to Glue the Dash Wood Back in Place So it Will Stay - On Demand Video

Specific instructions for the 1977 to 1985 W123 chassis ( which are losing their dash wood right and left ) but principles apply to other models.

This is a very common problem on the W123. The wood will just fall off someday. Worse when the car is left outside or in a hot climate.

$18.75

1977 to 1985 Diesel engine Idle Speed Adjustment TOOL

Quickly adjust the idle speed on OM 616 and OM 617 Diesel engines in the late W116, W123 and early W126 (300SD). Video instructions included.

Diesel idling too fast. Diesel idling too slow. Diesel shaking at idle. Transmission jerks with shifting from Park to Drive. These are some of the symptoms that might indicate your engine's idle speed is not adjusted correctly.

On Demand Video
$8.99

Fuel Tank Level Sending Unit Service Kit Update - On Demand Video

For using Kent's service kit to clean the old style fuel tank sending unit. Used in congestion with original video instructions

This on-demand instructional video was filmed to go with Kent's new fuel tank sending unit service kit launched in June of 2020. This is not a complete video on the subject of fuel level sending units. For the complete video see related products below.

24.50
$26.00

Fuel Tank Level Sending Unit Service Kit w/ 2 Instructional Videos

Most models 1968 to 1995 with tubular sending unit inside the fuel tank.

If your fuel gauge stops working or is not reading accurately, many times it can be repaired by removing it from the fuel tank, taking it apart and giving it a good internal cleaning of the contact points, float shaft, and wires.

$3.95
Currently out of stock.

Mercedessource Red and White Window / Bumper Sticker

8 inch long vinyl decal - peel off and stick on with special adhesive.

We have been talking about this for years. It was Ryan who got a friend to make this for us. It is a very high-quality vinyl with a special stick adhesive that "breathes" and does not allow bubbles to get trapped during application.

On Demand Video
$12.99

How to Adjust Older Diesel Engine Idle Speed - On Demand Video

Applies ONLY to 1977 to 1985 OM616 and OM617 Diesel engines ( four and five cylinder )

This 11-minute instructional video will show you how to set up and use a digital tach to check the idle speed of your diesel engine and how to use the tools in Kent's kit to adjust the idle speed on 1977 to 1985 four and five-cylinder diesels ( not 190D ).

$31.75

1977 to 1985 Diesel Engine Idle Speed Digital Tachometer

Can also be used to test other gas and diesel engines. You must paint a bright mark on the front pulley to get an accurate reading.

Diesel idling too fast. Diesel idling too slow. Diesel shaking at idle. Transmission jerks with shifting from Park to Drive. These are some of the symptoms that might indicate your engine's idle speed is not adjusted correctly.

On Demand Video
$9.99

How to Repair and Detail Small Rust Spots and Holes Under the Car - On Demand Video

This video is free of charge when purchase one of our rust repair kits listed below

This 23-minute video will demonstrate how Kent repairs some small rust spots inside the fender wells of a W116 sedan. Disclaimer: This method of repair is not recommended for large rust holes under the car or for holes that have been caused by road salt.

$595.00

W123 300TD Wagon Rear Bumper w Solid and Undamaged Shock Mount Brackets

For 1980 to 1985 wagons with backup lights. Hard to find without severe corrosion. Long rubber bumper guard piece and backup lights NOT included. Includes plastic attachment strips.

This is an above-average used bumper, as shown. It's not perfect. Study the pictures carefully. Chrome is clean and bright, and there is no major corrosion on the front or back, where you usually find severe aluminum corrosion.

On Demand Video
$12.99

How to Remove a Window Regulator When Motor Won't Run - On Demand Video

This technique was filmed on a W126 sedan "stuck" front window regulator. Principles will apply to most power windows 1970 to 1995 but not all.

When the motor won't move the window down you can not get to the bolts that hold the regulator to the glass. So then how can you get it out of the door!  What a pain! In this xxx minute video Kent will show you what you need to do in order to get a "stuck" power window regulator out of a door.

$38.50

W123 Parking Brake Cable Junction and Adjustment Assembly - USED

For almost all W123 sedans, coupes and wagons. If you have a 1976 to 1978 model 123 be sure to confirm picture matches before ordering.

This unit is located under the approximate middle of the car. A set screw in the arm allows you to adjust the travel of your emergency brake pedal. Often these get very rusty which makes it impossible to adjust and may even bind up and lock your emergency brake shoes.

On Demand Video
$7.99

Cleaning and Polishing Your Aluminum Valve Cover to Look Factory Fresh - On-demand Video

This video will show you how to get the original look - not the highly polished look when using a polishing compound

PLEASE read the instructions below carefully on how you will view this video.  It is NOT downloaded to your computer and viewing is NOT automatic. You must be logged in at Mercedessource.com and you MUST click on "my account".

$132.00

W123 Front Wheel Hub Assembly - USED

ONLY ONE and it the last one we have. Fits all 123 1977 to 1985 - Includes new grease cap

This is your best option if the lug bolt threads are damaged or stripped out. Good used condition. The bearings look good but I cannot guarantee them.

$24.75

All Models Rubber Exhaust Hanger (Donut) Easy Install Tool w/ 4 Hangers

4 "Donuts" included. After 20 years of scraped knuckles... FINALLY a good solution that makes install a "snap."

Hard to believe we took so long to come up with this tool. It was Gerson's genius that made it happen. The secret turned out to be the hook that keeps the tool in place while stretching out the rubber donut. Wow! What a cool tool.

$34.50

Bilstein Shock Absorber Deluxe Rapid Install Tool Set by Kent Bergsma

Back in stock. You will not believe how easy and fast you can remove and install those pesky top shock nuts! Especially on the R107!

Socket is now black (impact grade). This is a tool that Kent first thought about making 20 years ago. While installing shock absorbers in his 380SL he had finally had enough - so it was back to the machine shop to come up with a new tool.

On Demand Video
$9.99

How to Safely Drain the Gas Out of a W116, R107, W126, W201 and W124 - On-Demand Video

R107 example shown here but principles and procedures are universal to the above gasoline Mercedes from 1973 to 1995.

In this video, Kent will show you how to safely and cleanly remove the fuel from the tank on your older Benz. You will need to drain the fuel anytime you replace the back end hoses, the tank filter screen, the fuel pump or the fuel filter.

$18.95

All Models Rubber Exhaust Hanger (Donut) Easy Install Tool by Gerson

After 20 years of scraped knuckles... FINALLY a good solution that makes install a "snap." Doubles as back scratcher...lol

Hard to believe we took so long to come up with this tool. It was Gerson's genius that made it happen. The secret turned out to be the hook that keeps the tool in place while stretching out the rubber donut. Wow! What a cool tool.

Sale
$244.00
Currently out of stock.

1977 to 1985 W123 Rebuilt LOADED Front Brake Caliper Set w/ Extras

NOTE COLOR DIFFERENCE BELOW - high quality set - FOR 240D 300D 300CD 300TD 280E 280CE 1977 TO 1985 - FREE PDF Brake repair manual

Newly rebuilt driver and passenger side front calipers WITH NEW CERAMIC ( low dust ) brake pads. Fits all W123 chassis 240D 300D 300CD 300TD 280E 280CE 1977 to 1985. Please note there is NO HASSLE CORE CHARGE.

$46.50
Currently out of stock.

BREMBO 1977 TO 1991 Select Models Premium Ceramic Front Brake Pads - Full Set of 4 Pads

Kent's favorite pads: Fits 1977 to 1985 W123, all 1979 to 1985 R107, and all 1981 to 1991 W126 models (both coupes and sedans). If you are not sure of your model application please email BEFORE ordering.

You want superior stopping performance as well as minimum brake dust on your wheels - then these pads are what you want. Watch the video below - they are also really pretty!  :-)

$19.75

OM616 OM617 Thermostat Leak Prevention Install Kit

For 4 and 5 cylinder Diesel engines 1977 to 1985 except 190D

When replacing the thermostat in your order diesel you may end up fitting a lot of corrosion. This kit will help you make sure you do not have any leaks when you install the new thermostat and will prevent corrosion of the housing bolts in the future.

$10.75

Special Radiator Cap Only for Older Models with Cap on Radiator

Fits most models from 1973 to 1983 with cap neck located on the top of the radiator.

If you are experiencing minor coolant loss on your older model that has the cap on the radiator, it may because you do not have the correct cap. Not all caps are created equal as Kent will point out in the video below:

This is the type of radiator that will require this cap.

$29.50

Cooling System Leak Detection Radiator Cap Conversion for Brake Bleeder Tank

Custom made in our shop. Allows you to use our brake bleeder tank to also pressure test the cooling system on most models 1973 to 1995 ( see design of metal cap to confirm )

Have you ever had a hard time finally a very small coolant leak? Do you find yourself adding small amounts of coolant but can not see any leak? Is there a funny smell coming from inside your Benz when you run the heater?

On Demand Video
$18.99

Setting Up Mercedessource Coolant System Pressure Tester Cap - On Demand Video

Video instruction that comes free with the purchase of your custom radiator pressure testing cap and hardware

In this video, Kent will walk you through the steps needed to convert your older Brake Bleeder tank to one that can continue to bleed brake systems as well as pressure test radiators and cooling systems.

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