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$49.95

OM616 and OM617 Diesel Engine HIGH Pressure Injection Pump Timing Kit

Comes with HOUR LONG VIDEO instructions. Requires pressure tank for accurate and consistent results.

Kent's procedure uses the factory recommended "drip tube method" but with a "twist." He has devised a way to get accurate and consistant IP timing results while trying to get the drip tube to drip at one drip per second exactly when it should!

On Demand Video
$12.99

60x Diesel Engine Fuel Warmer Bypass Instructions - On Demand Video

For 1984 to 1995 OM601 OM602 and OM603 engines in W201, W124, W126 and W140 Chassis

Mercedes installed small fuel warmers on these engines using engine coolant to warm up the fuel just before it enters the injection pump. The idea is great - especially in cold climates, but in moderate and warmer climates it is probably not needed.

$23.75

Diesel Fuel Injector Return Fuel Hose AND Brake Pad Service Tool

Easy way to remove and reinstall that hard to reach small injector fuel return hose and vacuum hose - AND works on brake pads too!!!

While working on the fuel injectors of a 240D this week, Kent finally decided he had had enough. After 20 years of fighting those fuel injector return hoses he decided he just had to come up with a tool to make the job easier. 2 hours later the tool was designed and the prototype made.

$31.95

Early 4 and 5 Cylinder Diesel Fuel Injector Hose and Injector Washer Kit

For fuel injector service on 220D 240D 300D 300CD 300TD and 300SD 1970 to 1985

Any time you are removing and replacing your fuel injectors you will need to change the return hose and the heat shield crush washers. If you don’t, you will have leaking hoses and possible compression leaks at the injector nozzles.

On Demand Video
Mercedes Short Fuel Pump Instructions - On Demand Video
$19.99

1963 to 1973 Short MFI Electrical Fuel Pump Lower Section Resealing Instructions - On Demand Video

Be sure your Mercedes has the "short" style fuel pump. Not all models in those years had one (see description)

MFI (mechanical fuel injection) fuel pumps are notorious for leaking fuel. Leaks are almost always due to age hardened and deformed o-rings inside the pump. Taking the pump off the car, taking it apart, cleaning it and installing new seals will almost always solve the fuel leak problems.

$8.95

1960'S Through Mid 1970's Fuel Tank Filter Screen Removal Tool

For W110 W111 W112 W113 W108 W109 W114 and W115 chassis as well as W123 station wagon only

Most owners do not have a big enough hex wrench to remove the fuel tank screen on those models that had the fuel tank right under the rear trunk floor. But the screen does need to be removed, inspected and cleaned due to the age of these cars.

On Demand Video
$18.99

MFI Fuel Injector Tester: Assembly, Testing and Cleaning Operations - On demand Video

A video instruction manual explaining in detail how our special tester kit works

Would you like to find out how well your old (1959 to 1972) mechancial gasoline fuel injectors are working? Now you can do it yourself at home with our custom bench mount hand pump pressure tester and cleaning kit. These are the full instructions that come FREE with the kit.

On Demand Video
Mercedes 115 Fuel System Service Video Manual - On Demand Video
$8.99

W115 Diesel Engine Major Fuel Service - On Demand Video

Covers fuel system service and repair on the 1969 to 1976 220D 240D and 300D only

Kent uses his 1976 240D that had sat idle for 6 years to demonstrate what needs to be done to get an old fuel system cleaned out and serviced properly. This always includes installing new fuel filters and sometimes will require replacing some of the rubber hoses.

On Demand Video
Mercedes Overvoltage Relay - On Demand Video
$3.99

Solving Rough Idle and Low RPM at startup on a 1986 to 1993 CIS Engine - On Demand Video

Sometimes this can be fixed for very little work and money - but other times NOT..:-)

This is a common occurrence as these gas engines with Bosch C.I.S. fuel injection age. Most of them are now at least 20 + years old. The problem goes something like this. You start the engine cold and it will hardly run. It runs rough and idles very low and will even quit a few times.

On Demand Video
$12.99

CIS Gas Fuel Injector Removal, Cleaning and Testing - On Demand Video Manual

How to know for sure how well your gas fuel injectors are performing (1976 to 1993 CIS ONLY)

If you think CIS fuel injectors can just be ignored, think again. Sure, your gas engine will continue to start and run “ok”, but you may find that it is not producing the power it once did nor the fuel mileage it once delivered.

$249.00

CIS Gas Fuel Injector Spray Pattern Tester and Nozzle Cleaner

NEW VERSION 3 release.. See application notes below:

Works on all models from 1977 to 1993 with the Bosch C.I.S Fuel Injection system - see models listed below: Now you can do it yourself on the bench with this inexpensive tester- Save big $$.  Ever wonder how well your old CIS fuel injectors are working?

On Demand Video
Bleeding a Mercedes Diesel - On Demand Video
$2.99

Bleeding the Air Out of a Diesel Engine Fuel System - On Demand Video

Needed when changing filters, injectors, fuel lines or heaven forbid - running out of fuel

If you are new to older Mercedes diesels and have not worked on them before, this is one of the first things you want to learn. Especially if you ever run out of fuel. Without knowing how to do this you will never get the engine started again!

$227.00

Diesel Fuel Injector Balance Pressure Tester - Yes, You Can Do It Yourself!

NEW Version 3 release - Improved fluid handling design - Watch the video below for reasons behind the changes.

For all MBZ diesel engines 1950 to 1999. Designed by Kent Bergsma. These are built at Mercedessource to control quality and production demands. Each one is tested here in our shop before shipping.

$384.00

5 Cyl 617 Diesel Engine Fuel Injector DIY Rebuild Kit

You CAN rebuild your diesel fuel injectors yourself in your own garage!

5/25/22 update: The precision nozzles included are now  made for us by Wolfswerke-sachsen ( same company and same nozzle that was formerly branded as Monark). Yes!

$59.75

Diesel Fuel Injector Tuning Manual and Top Brass Tool Kit - Combo Special

Best tool kit to take apart and clean old fuel injectors. You might actually get them to spray well again without buying replacements

 Keeping your injectors clean and tuned is one of the best ways you can improve mileage in a diesel. Buy both Kents new manual Diesel Fuel Injector Cleaning and Testing Procedures and his Top Brass Custom Cleaning Tool Kit and save!

$43.95

116 123 126 Chassis Fuel Tank Outlet Screen Removal Socket

WORKS ON FUEL TANK SENDING UNITS TOO! Machined short for easier access and a sharper edge for better grip.

FITS all 116 123 Diesel and Gasoline,  and 126 chassis from 1977 to 1985. Finally a socket to remove your fuel tank screen that really works. Most correct size sockets tend to be SO BIG that they require 3/4 inch drive ratchets and extensions to use them. Who has those in their tool box??

$28.00

K-Jetronic Pressure Tester Fittings to Make Your Own Tester

All the fittings you need for Mercedes K-jetronic system hookups. No instructions on how to make it. But you will get Kent's instructions on how to use a pressure tester for free with purchase.

The best way to figure out why your K-Jetronic engine is not running right is to hook up a pressure tester and read both system pressure and control pressure ( cold and hot). The problem is most of the pressure testers you see advertised for cheap will not work on C.I.S.

$695.00

1981 to 1984 Rebuilt Fuel Injection Pump for OM617 Turbo Diesel

Fits 1981 to 1984 W126 and W123 with Turbo Diesel engines. Professionally rebuilt with paperwork included.

Pump as shown was professionly rebuilt. Has not been back on an engine. No accessories included. Look at the picture closely. You will have to use the lift pump, shutoff valve, ALDA, check valve, VCV, and hoses and fittings from your existing injection pump. 

 

$8.90

Fuel Hose Special External Coil Wire to Prevent Kinking and Chaffing

Can be cut to 4 to 5 smaller lengths and stretched for various applications on 7mm, 7.5mm and some 8mm internal diameter fuel hose.

This can do amazing things for your new fuel hose installaton on your old Benz engine. Watch the video to learn more. Sold individually in approximately 6 inch lengths.

$14.60

1970 to 1975 D-Jetronic Fuel Injector Hold Down Bolts and Washers.

Zink plated to match the original color of most Mercedes D-jet engines. See video below

Set of 8 correct size bolts and washers to spruce up the engine compartment of your D-jetronic V8 engine. Watch the videos to see how these actually look installed. 

$36.00
Currently out of stock.

1970 to 1975 D-Jetronic V8 Engine compartment Fuel Hose Replacement Kit

Includes enough hose and clamps to replace all 8 rubber supply fuel hoses. DOES not include the 8 short hoses and clamps for the fuel injectors. See related below.

These engine supply fuel hoses are critical to the well-being of your engine. I have seen too many rotten and deteriorating hoses on these D-Jet engines that could easily lead to an engine fire, and they just do not get replaced when they should.

On Demand Video
$16.99

1970 to 1975 D-Jetronic Fuel Injection Repair / Service Instructions - On Demand Video

A commonly neglected service that can lead to poor running and possible engine fire. It is the rubber parts that fail! See video below to believe it!

In this 36-minute instructional video, Kent will walk you through the process of doing a complete fuel hose replacement and fuel injector service on a 1970 to 1975 Mercedes V8 engine with Bosch EFI electronic fuel injection.

$22.00

1976 to 1980 450SL 450SE 450SEL Fuel Injector Seal Replacement Kit

Required when replacing fuel injectors. A full kit with injections is available below

If you are removing and replacing your late 450 V8 K-Jetronic fuel injectors these are the seals you should have on hand. Always replace the rubber seals. I know it is possible to reuse the plastic sleeves but many times they are brittle and will be damaged upon removal.

$32.75

1977 to 1983 280E 280CE 280TE 280SE 280SL Fuel Injector Seal Replacement Kit

Seals only as shown. Complete kit with injectors available below:

If you are removing and replacing your M110 fuel injectors these are the seals you should have on hand. Always replace the rubber seals. I know it is possible to reuse the plastic sleeves but many times they are brittle and will be damaged upon removal.

On Demand Video
$4.99

How to Test Your Fuel Accumulator - ON DEMAND VIDEO

Has your rear-mounted fuel accumulator failed on your 1976 to 1993 K-Jetronic or KE-Jetronic fuel system

In this 9 minute instructional video, Kent will explain how to test your fuel accumulator to determine whether or not it has failed internally. A failed accumulator will make your engine hard to start when hot.

$88.50
Currently out of stock.

Bosch D-Jetronic Fuel Injector Service Kit

You will need this if you plan to remove and test or replace the EFI fuel injectors in your 1970 to 1975 Mercedes

This is the most complete 1970 to 1975 V8 injector repair kit you can find anywhere.

$119.75

Bosch D-Jetronic Fuel Injector Testing and Cleaning FULL Kit

This includes the required pressure tank for accurate testing. For 1970 to 1975, D-jet electronic fuel injectors - Ready to clean and test your injectors?

This will give you everything you will need ( except 12-volt power and cleaning fluid ) to bench clean and test your D-jetronic fuel injectors in your own garage or workshop once they are removed from the engine.

On Demand Video
$14.99

K-jet Warm Up Regulator Modification: External Pressure Adjustment - On Demand Video

Kent will demonstrate how to drill and tap the cold start adjustment pin so you can adjust it without having to take WUR apart again and again.

This xx minute video will take you step by step through the process of modifying your warm up regulator so you will be able to easily make adjustments to your cold start control pressure.

$69.95

Bosch D-Jectronic Fuel Injector Testing and Cleaning PARTIAL Kit

For 1970 to 1975, electronic fuel injectors. A pressure tank is required. See notes below. Full kit is available if desired.

With the required pressure tank you will be able to individually test and clean our D-jet fuel injectors. Along with a 12 volt power source you will need I gallon of cleaning fluid as describe in the instructions.

$28.75

K-jetronic Warm Up Regulator Cold Start Modification Kit w/ Video Instructions

A good mod to make if you are rebuilding your WUR. Will allow you to adjust cold start pressure up or down without having to take the unit apart repeatedly.

Before you make this modification you should be very familiar with the function of the WUR and how its pressure adjustements affect the performance of the K-Jetronic fuel injection systems. The tools and supplies offered in this kit will allow you to modify your warm up regulator at home and it y

$169.00

C.I.S. Fuel System Pressure Tester for K-jetronic Fuel Injection

Specifically engineered for 1976 to 1985 Fuel injected Mercedes with mechanical fuel injection

This is the most accurate and reliable tester available for the D.I.Y. mechanic. The tester includes an assortment of high-quality brass fittings that will allow you to hook it up to all 6-cylinder and V8 engines. 

All brass fittings:

$5.80
Currently out of stock.

Fuel Tank Screen Seal 0-Ring Genuine O.E.

Fits most fuel tank screes from 1973 to 1995 All W116 R107 W126 W123 W124 and W201

New Mercedes o-ring as shown. Always replace this seal when removeing and cleaning your fuel tank strainer ( screen ).

$496.00
Currently out of stock.

1986 to 1991 420SEL 560SL, 560SEL, 560SEC Fuel Injector Replacement Kit

Includes GENUINE Bosch fuel injectors, new injector holders, new seals, new evaporator air hoses, cleaning supplies, and video instructions.

Why change K-jet fuel injectors when "they are working?"  Why change shocks when they feel ike "they are working." The deteration is very slow over time and you may not notice the difference in how the engine starts, runs, accelerates, and delivers mileage until you do this service!

On Demand Video
$22.99

How to Install New Fuel Injectors in a 450 M117 Engine - ON DEMAND VIDEO

For 1976 to 1980 450SL 450SLC 450SE 450SEL from 1976 to 1980 with CIS fuel injection

This 25 minute video will instruct you on how to replace the fuel injectors in your 1976 to 1980 8-cylinder M117 engine safely and efficiently.  This is a fairly straightforward job, but there are some pitfalls you will want to avoid.

$248.50

1976 to 1980 450SL 450SE 450SEL Fuel Injector Replacement Kit

Includes GENUINE Bosch fuel injectors, new injector holders, new seals, cleaning supplies, and video instructions.

Why change K-jet injectors when "they are working?"  Why change shocks when they feel ike "they are working." The deteration is very slow over time and you may not notice the difference in how the engine starts, runs, accelerates, and delivers mileage until you do this service!

On Demand Video
$29.99

How to Install New Fuel Injectors on a 1981 to 1991 V8 Engine - ON DEMAND VIDEO

For 380SEC, 380SL, 380SLC, 380 SE, 380SEL, 500SEL, 420SEL, 560SEL, 560SEC and 560SL from 1981 to 1985 with CIS fuel injection

This 33 minute video will instruct you on how to replace the fuel injectors in your 8-cylinder M116 engine safely and efficiently.  This is a fairly straightforward job, but there are some pitfalls you will want to avoid.

On Demand Video
$19.99

How to Install New Fuel Injectors in an M110 Engine - ON DEMAND VIDEO

For 280SE, 280SEL, 280SL. 280E, 280CE, 280TE 1976 to 1985 with CIS fuel injection

This 16-minute video will instruct you on how to replace the fuel injectors in your 6 cylinder M110 safely and efficiently. Since this is a fairly straight forward remove and replace this is not a step-by-step video.

$189.00

1977 to 1983 280E 280CE 280TE 280SE 280SL Fuel Injector Replacement Kit

For the M110 6-cylinder engine. GENUINE Bosch fuel Injectors, holders, and seals with free cleaning supplies and free video instructions

This is every thing you need along with free video instructions by Kent Bergsma. Why change the K-jet fuel injectors in your M110 engine. One thing is they are very old. Second this is right now they are readily available and resonably inexpensive.

$9.75

Custom 17mm Crowfoot Wrench for Bosch Hand Primer Pump

This is the bench to safely remove and install this style of hand primer pump. It will not damage the aluminum housing nut.

We modify this wrench right here in our shop. If a picture is worth a thousand words, what is a video work. Watch the following for a full explanation.

$285.00

1981 to 1985 380SL 380SEC, 380SE, 380SEL Fuel Injector Replacement Kit

Includes new GENUINE Bosch fuel injectors, new injector holders, new seals, and new evaporator air hoses, cleaning supplies and full detailed video instructions

Why change K-jet injectors when "they are working?"  Why change shocks when they feel ike "they are working." The deteration is very slow over time and you may not notice the difference in how the engine starts, runs, accelerates, and delivers mileage until you do this service!

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