Search | W116 | Vacuum

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On Demand Video
$7.99

W116 300SD Engine Vacuum Pump Overhaul Options - On Demand Video

Instructions on how you can get your pump working again creatively

If you have an early 300SD and your vacuum pump fails, you could find yourself “up the creek without a paddle.” The actual mechanism of the pump is very robust and it hardly ever fails, but not so with the rubber diaphragms inside the pump.

$27.95

616 617 Diesel Vacuum Connector Service Kit

For 1975 to 1985 240D 300D 300CD 300TD and 300SD with the 61x diesel engine

FITS THE FOLLOWING: 115, 116, 123, and 126 chassis. Here is a diesel item I have put together that every Mercedes diesel owner should have.

$44.95

615 616 617 Diesel Healthy Vacuum Exam Kit

For all 4 and 5 cylinder diesel Mercedes 1969 to 1985 ( Except 190D)

Is your diesel suffering from hard brakes, poor or no engine shut off, climate control problems, or even funky transmission shifting??

$84.50

W123 W116 W126 Diesel Engine Vacuum Fuel Shutoff Valve w/ Extras

2 gaskets included. Now with replacement hose and underdash switch. A VERY important part to make sure your engine quits when you turn off the key!!!

 If your diesel engine is starting to shut off very slowly or maybe not at all and you know your vacuum system is ok, it may be time to replace the vacuum fuel shutoff valve located at the rear of the injection pump.

Vacuum Hose
$3.25

Vacuum System Rubber Hose 1 Meter - For Small Hard line or Engine Connections

This is the small size used on most of the older models. 1/8 inch inside diameter.

When was the last time you knocked one of your vacuum lines off around the oil filter housing, only to discover when you tried to reattached it that the fittings or hose were swollen and would just not stay connected?

4 mm hard plastic vacuum line
$3.45

4 mm Hard Plastic Vacuum Line - PER METER

This vacuum line is white and is 4 mm in size. It is used on all 107 108 109 110 111 113 114 115 116 123 124 126 chassis. You can use it to replace any hard vacuum line on the engine.

$178.80

1980 to 1985 OM616 OM617 Diesel Single Hole Vacuum Pump - New Aftermarket

Genuine are no longer manufactured. Rebuild kits are NLA. This is your best option for a totally failed pump!

WARNING READ CAREFULLY: If your vacuum pump recently broke apart there may be a reason for it other than just a vacuum pump fatigue failure. When these pumps break up inside there is usually a problem with the drive mechanism inside the diesel engine.

$78.25

Single Hole Diesel Vacuum Pump Partial Overhaul Kit

Check valves are now NLA - We only have a limited stock left! Fits 1980 to 1985 U.S. 240D, 300D, 300CD, 300TD and 300SD - Full Repair kits NLA, but we can offer this kit to help improve vacuum output.

I have chosen to call this a "partial" overhaul kit because full rebuild kits have been NLA for years. However, many of these pumps still need help, so I have assembled this kit to help owners restore some of their lost vacuum output.

On Demand Video
$2.00

How to Repair Old Mercedes Diesel Broken Vacuum Booster Line T Fittings

Part of Kent's $2 tip video collection. The tip will only cost $2 but you could save considerable money and grief by watching this video.

Here is an easy DIY tip to repair a broken vacuum hose nipple on your main vacuum line running from the vacuum pump to the brake booster on the older diesel engines. $2TIP

On Demand Video
$22.99

1978 to 1985 Diesel VCV ( Vacuum Control Valve ) Internal Inspection and Service Instructions - On Demand Video

Warning: Not all VCV valves are repairable. Some are just too worn out and no parts are available. But it is worth a "shot."

Kent delivers a very detailed 24 minute video on understanding how this valve works and how to fix it if possible. You will learn how to recognize a valve that is just too worn out to repair. No bleeder valve repair parts are available and there is not way to DIY fix one if it is badly damaged.

$39.50

1978 to 1985 Diesel VCV ( Vacuum Control Valve ) Internal Inspection and Service Kit

Poor shifting. Try fixing yours. The kit includes three detailed on-demand videos to remove, test, and service the VCV, which can be purchased separately below!

The VCV valve controls the critical shifting patterns of most diesel automatic transmissions from 1978 to 1985. This includes the 1978 to 1985 300SD, the 1980 to 1985 W123 300D, 300CD and 300TD and the 1980 to 1983 240D.

On Demand Video
$8.99

How to Test the VCV ( Vacuum Control Valve ) for Proper Operation - On Demand Video

Includes theory on how it controls transmission shifting and test procedures with it hooked up to the vacuum system with the engine running.

Kent will explain the theory of operation in simple terms, why it is so important for proper transmission shifting performance, and how to test it hooked up to the engine's vacuum system with the engine running.

On Demand Video
$12.99

Restoring 1980 and Older Rubber Vacuum Door Lock Actuators - On Demand Video

This only applies to those actuators that do NOT have cracks or tears in the rubber diaphragm

If your early door lock actuators do not have any cracks in the rubber diaphragms, but they just won't hold vacuum - it may be possible to fix them by taking them apart and cleaning and resealing the outer lip of each diaphragm.

$69.95

1973 to 1980 Vacuum Door Lock Actuator Diaphragm Repair Kit

For 1973 to 1980 107 and 116 Chassis, 1973 to 1976 114 and 115 Chassis SEDANS, and 1977 to 1980 123 Chassis

Here is a great way to save some money repairing your old Mercedes vacuum door lock actuators. When they go bad it is almost always due to cracks in the rubber diaphragms. These can be easily replaced once you remove your door panels and remove the units.

PDF
$8.95

3/2 Vacuum Valve Inspection, Testing and Repair By Kent Bergsma - Download

All 240D 300D 300CD 300TD 300SD 1980 to 1984

Until now there has been no practical information for the DIYer to know how to test and replace their own vacuum 3/2 valve assemblies. 

Downloadable PDF is 10 pages and includes step by step instructions and detailed photos to help you complete this job.

$22.25

61x Diesel Vacuum 3/2 Way Valve Troubleshooting and Hose Replacement Kit

All 240D 300D 300CD 300TD 300SD 1980 to 1984

Until now there has been no practical information for the DIYer to know how to test and replace their own vacuum 3/2 valve assemblies. There certainly been no inexpensive hose replacement kits. This new kit by Kent Bergsma solves both those problems.

$9.95

Ultimate Oil Resistant Hi-Temp Reinforced Vacuum hose - 3 FEET

For 1/8 inch vacuum hose connectors on 240D 300D 300TD 300CD 300SD

I have never been impressed with the rubber vacuum hose found on older Mercedes diesels. I don't think the engineers ever anticipated how much abuse or how long these hoses would need to last!

L FITTING
$3.45

Vacuum System Rubber Connector - L for Small Hard Line

When was the last time you knocked one of your vacuum lines off around the oil filter housing, only to discover when you tried to reattached it that the fittings were swollen and would just not stay connected? This is a L shaped fitting that fits 115, 116, 123, and 126 chassis.

Y fitting
$4.25
Currently out of stock.

Vacuum System Rubber Connector - Y for Small Hard Line

When was the last time you knocked one of your vacuum lines off around the oil filter housing, only to discover when you tried to reattached it that the fittings were swollen and would just not stay connected? This is a Y shaped fitting that fits 115, 116, 123, and 126 chassis.

U SHAPED FITTING
$6.25

Vacuum System Connector - Elbow for Small Hard Line

Used anywhere in your vacuum system where you need a tight bend - solid rubber.

When was the last time you knocked one of your vacuum lines off around the oil filter housing, only to discover when you tried to reattached it that the fittings were swollen and would just not stay connected? This is a U shaped fitting that fits 115, 116, 123, and 126 chassis.

Sale
$19.50

116 123 126 Diesel Steering Lock Vacuum Valve

Diesel engine Shutoff Switch at Ignition Key - Get a spare while still available. This SHOULD BE REPLACED if you find oil inside the switch.

Fits the following: All 116 123 and 126 Chassis Diesels from 1977-1985. This is a brand new Genuine Mercedes Steering lock vacuum valve that is located on the back of your ignition lock assembly. We include 2 pieces of correct sized rubber vacuum hose as shown. 

Diesel Vacuum Source Troubleshooting and Repair
$19.75

Diesel 616 617 Vacuum Source Troubleshooting and Repair - by Kent Bergsma

Basic manual on vacuum output and testing. Does not cover all things vacuum. See description

Applies to 240D 300D 300CD 300TD 300SD Diesel This guide is written specifically for owners of 123 and 126 diesels from 1977 up to 1984. There are some sections that apply to the 115 and 116 chassis but it is not specific to those models.

$75.00

W123 W116 W126 Diesel Vacuum Switching 3/2 Way Valve Set + Parts

One new - one used. Sold as is. Critical to EGR operation and Transmission Shifting on 1980 to 1984 240D 300D 300TD 300CD 300SD

Sold "as is" and is not returnable. This is a special sale of 2 3/2 valves with an extra lever and is priced accordingly.

3 Way Vacuum Change Over valve
$72.50

3 Way Electric Change Over Valve - Vacuum Solenoid

Not intended for use with the diesel ALDA overboost circuit.

This is a brand new 3 way Vacuum change over valve. It is located in the engine compartment on a number of different chassis Mercedes, both gas and diesel models, from the 70s up through the late 90s.

617 Turbo Diesel ALDA Pressure Line
$22.50

617 Turbo Diesel ALDA Pressure Line

Fits the following 116, 123, and 126 chassis to 1985. This is a very important line on the 617 turbo diesel engines that often breaks or becomes plugged. When it does you will lose power. It will feel like you are dragging an anchor or give you the indication your turbo is not working.

$25.00

GIFT CERTIFICATE

This is a great gift for the older Mercedes Benz Enthusiast!  Sold in increments of $25. This gift certificate can be toward the purchase of any item or items on our website .