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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.

$198.95

CIS Gas Fuel Injector Spray Pattern Tester and Nozzle Cleaner

NEW VERSION 3 release.. See application notes below:

Order now and it will be available for shipping on March 14. 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 inexpens

$37.95

116 123 126 Chassis Fuel Tank Outlet Screen Removal Socket

WORKDS 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??

$285.00

Complete Diesel and Gas MECHANICAL Fuel Injector Pressure Testing "Combo" Kit

This will allow you to test all your mechanical Bosch fuel injectors form 1959 to 1993 with one tester

This is our complete "combo" kit if you are looking for a tester that will "do it all." It includes the complete diesel full injector tester along with the add-on kits for both MFI and CIS gasoline fuel injectors

$62.95

CIS Gas Fuel Injector Cleaning and Testing Conversion Add-On Kit

You MUST HAVE a version 3 pressure tester ( either diesel or MFI) to make this kit work on most 1977 to 1993 Bosch Mechanical ( NOT ELECTRIC) fuel injectors

We know that many of you own multiple Mercedes, including both gas and diesel models. If you own one of Kent’s fuel injector pressure testers you no doubt will want to test all your applicable mechanical fuel injectors in both types of older engines.

On Demand Video
$12.99

CIS Gas Fuel Injector Tester Setup and Operation - On Demand Video

Introduction to Version 3 of Kent's popular testing explaining the upgrades and how they are used.

In this short video, Kent will give you an overview on setting up and using Version 3 of his bench mount CIS gasoline injector pressure tester.

On Demand Video
$14.99

Early Gas Engine Fuel Injector Back Flush Cleaning Instructions - On Demand Video

Video is free with purchase our DIY backlash cleaning kit - works on mechanical gas injectors from the late 50's to early 90's

This 24 minute on demand training video comes with our injector back flush cleaning kit. You can purchase this video separately, but please keep in mind you will not have any of the tools or supplies to complete this procedure yourself.

$24.75

Early Gas Engine Fuel Injector Back Flush Cleaning Kit

Works on Bosch MFI and CIS mechanical fuel injectors from the late 1950's to early 1990's. Will NOT work on electrically operated fuel injectors.

With these old gas fuel injectors, sometimes you just have to "back flush" the insides to restore them to peak performance. There is no guarantee that back flush cleaning will restore every old gasoline mechanical fuel injector. Some are just plain worn out.

Sale
$10.50

Fuel Injector Testing Fuel Containment and Fume Exhaust Bottle

Works on diesel and gas mechanical fuel injectors from the 50's to the early 90's - SAVE YOUR HEALTH!

I am putting this on sale because I think EVERYONE should have this if they are using any type of bench mount mechanical fuel injector tester. DO NOT BREATHE THE FUMES!!! This clear 16 oz.

$62.95

Best Grabbing and Clamping Hand Tool Set in The World - Kent’s Collection

3 super custom tools that you will not find anywhere else in the world. All designed by Kent Bergsma

This is a collection of SPECIAL tools Kent has put together to help you grab, twist, and pull on things in and around your Mercedes.  He makes each one of these tools right here in his shop.

$22.50

Early 107 123 All 116 Gas Engine Fuel Filter

For above chassis only 6 and 8 cylinder gas engine 1972 to 1980

New Bosch fuel filter as shown. Before ordering please make certain that this fits your Benz. Not all gas fuel filters are created equal.

$38.95

190E 300E 300SE 300SEL Main Fuel Filter w/ Manual

MEYLE NO LONGER AVAILABLE --- NOW SHIPPING MAHLE BRAND Comes with complete installation manual on all fuel pump components

The large capacity fuel filter is designed to remove water and particulates from your fuel before it reaches critical engine injection components. When the filter starts to become plugged you may experience power loss at speed, engine stumbling, and hard starting.

$28.50

190E 300E 300SE 300SEL Main Fuel Filter by Meyle

MEYLE NO LONGER AVAILABLE --- NOW SHIPPING MAHLE BRAND Fits most gas models from mid to late 1980s up through mid 1990s

The large capacity fuel filter is designed to remove water and particulates from your fuel before it reaches critical engine injection components. When the filter starts to become plugged you may experience power loss at speed, engine stumbling, and hard starting.

German hose clamps set 12
$28.50

Super Fuel Hose Clamp Kit (12) - German Made - High Torque

Non Cutting and smooth tightening clamps

These are my favorite German hose clamps. They tighten securely, dont cut into the hose, and don't rust or break. If you are working on the fuel system of any Mercedes I recommend you have these clamps on had.

Gas and Diesel Fuel Hose Clamp Off Tools
$9.95
Currently out of stock.

Gas and Diesel Fuel Hose Clamp Off Tools

Applies to all Mercedes: Pre 1960, 190SL, 110, 111, 112, 113, 114, 115, 108, 109, 107, 116, 123, 126, 201 and 124 chassis. If you ever need to replace a fuel tank, fuel pump, fuel filter, or fuel hose and don't want the fuel running down your arm here is the tool and will save the day!