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On Demand Video
$4.99

722.3 722.4 Video Class Pt. 2 - Internal Transmission Inspection - On Demand Video

A full inspection should be done BEFORE you decide to rebuild it

In Part 2 of this training series, Kent will show you what you will want to inspect before you begin ordering parts for a transmission overhaul. In most cases, you will only need gaskets, seals, and clutches, but you want to make sure. 72234CLASS

On Demand Video
$4.99

722.3 722.4 Video Class Pt. 1 - Transmission Disassembly on the Bench - On Demand Video

It is not difficult to take it apart. A few special tools will speed the process

In this first class lesson, Kent will take apart a non-shifting transmission that he removed from a 1987 300E.  The video is 23 minutes long, and you will get to see how everything comes off and out of the transmission case to leave you in awe of what lies inside.

$259.00

722.3 722.4 Transmission Overhaul Special Tool Set

5 custom tools that can really save you time and frustration when you reseal or completely overhaul your 722.3 or 722.4 automatic transmission.

This will work for almost all 4-speed automatics from 1981 to 1995. This transmission overhaul tool set is custom-modified here in our shop at MercedesSource.  We make it to order, and it may take a few days to ship.  It contains five tools.

$78.95

722.3 722.4 B1 Piston Removal and Release Clearance Tool

Custom-made in our shop. Fast and easy. Covers both types of transmissions (2 mounting bolts included). You can also use it to measure the critical B1 piston to brake band clearance (1.8 to 2.5 mm)

The B1 piston assembly is not easy to remove and then reinstall. Because of the length of the two big springs behind the cover, it takes a tool that has a lengthy throw.

$65.00

722.3 722.4 B2 Seal/Sleeve and Front Pump Removal Tool Kit

Slide hammer is the best way to go, but it will need modified attachments

We modified this slide hammer puller set in our shop so it will work in removing two key components in the 722.3 and 722.4 automatic transmissions. Getting the B2 piston and sleeve out of the case can be a real bear without this tool. With it, it comes out quickly and easily.

$20.00

722.3 Transmission Rear Shaft Nut Removal Socket.

Needed for rear seal replacement or transmission disassembly

You will need a 12-point DEEP socket. That is the only thing that will work. Most impact sockets are six-sided. The best way to remove this nut is with a big impact wrench with the transmission locked in park. So you will need a quality heavy-duty socket. This one is made in the U.S.A. 

$148.50

Early 722.3 Transmission Overhaul Gasket and Seal Kit

We believe this is the highest quality and most thorough kit you can purchase for the price. Elring Brand. 2 "hidden" rivet sealed O-rings NOT included. See related below.

Take a very close look at the picture. These are all the gaskets and seals you will need to replace if you open up your 722.3 transmission that was produced from 1981 to 1990 for all 6 and 8 cylinder passenger cars that had a displacement of 3.0 liters or more.

$219.99

722.3 ONLY Upgraded B2 Piston Replacement Kit

These are GENUINE MERCEDES parts except for the cover o-ring. All parts need to be replaced at the same time.

This will work on the 722.3 transmission BUT NOT the 722.4 smaller transmission found in some 1985 to 1995 models. The piston diameters are different.  Also they made some modifications to beef up the 722.3 transmission for the Big V8 in the W140 chassis.

On Demand Video
$3.99

How to Pressure Fill the W221 and W210 4matic Front Differential

Do you want to pull a front axle to set fill height or do it Kent's way?

What a surprise when you find the early W221 and early W212 4matics don't have a fill plug in the front differential!  The factory manual instructs removing the right front axle to fill and check the level.  What??

$49.95

722.6 Transmission Power Drain Full Service Kit

For 5-speed automatic transmissions for 1998 to 2006. (Not Applicable to 722.9 7 speed) Make sure you have to correct transmission!

If you want to get as much of the old transmission fluid out of the valve body, torque converter, oil cooler, and lines, then you will need to do more than just drain the pan and the torque converter ( if it even has a drain plug). Watch the video below for more details.

$78.00

Late 722.9 A89 Transmission Fluid Service Kit

For 2011 to 2016, 7 7-speed transmission with the green fluid and deeper pan - Genuine Triple Media Filter

Make sure this is the correct kit for your Mercedes BEFORE ordering. We have an upgrade kit for the earlier transmission that includes a new pan, but when servicing the later 722.9, you do not need to replace the pan.

$11.75

1968 to 1983 Tranmission Clutch Disk to Input Shaft Slide Grease

Do NOT miss this step when installing a new clutch disk or the clutch could bind or chatter!

Often not done, but you will regret not adding this correct SACHS grease to you clutch input shaft splines! Regular grease with not stand up over time. 

$12.80

1968 to 1983 Manual Transmission Input Pilot Bearing

W114 W115 and W123 chassis. Pressed into flywheel on older Mercedes Manual Transmission Cars to center manual transmission input shaft.

A high quality bearing. It is a good idea to replace this anytime you have the transmission. Remember it spins a lot!

$209.25

Early 722.9 Automatic Transmission Performance Upgrade with Full Drain and Fill Pressure Tank

Combo deal. If you are going to upgrade your transmission, you are going to need a pressure tank to refill the transmission with RED fluid

PLEASE NOTE: This is a "made to order" kit that we assemble after purchase. Please allow 3 to 4 days before it will ship. Save $20 when you purchase these two kits together. Each can also be purchased separately. For a full description of each kit, click on the related products below.

$22.60

R107 Rear Transmission Rubber Mount

Fits 1972 to 1989 350SL 450SL 450SLC 380SL and 560SL. Easy install.

Very common wear item due to aging rubber. Can be easily installed by putting a piece of plywood on the bottom of the transmission pan and use a floor jack to lightly jack up the back of the transmission to replace the mount. 

On Demand Video
$15.99

How to Do Kent's Auto Transmission Power Drain Procedure - On Demand Video

This is not a "flush." This is the best way to drain all the fluid out without the potential bad side effects of a power flush.

In this detailed 22-minute video instruction, Kent will show you how to use his kit to perform a power drain on most 1965 to 1995 automatic transmission.

$39.00

1965 to 1995 Automatic Transmission Power Drain Kit

Designed by Kent. This is the best way to get all the old fluid out of an automatic transmission.

Yes, YOU can fully drain all your transmission without using any type of "power flush." Full detailed video instructions are included. This kit is easy to connect and the process is quick and clean. Watch Kent's YouTube video below for full details. 

On Demand Video
$9.99

How to Remove and Install a Bowden Cable from the Transmission - On Demand Video.

Very difficult without Kent's special tool if you don't want to break it.

In this 15-minute video, Kent will show you step-by-step how to safely remove the Bowden cable without damaging it and how to install it to get the proper connection. This is not as easy as it looks, and you can break it if you are not careful.

$27.50

W113 W108 W109 Long Curved Transmission Oil Cooler Hose

A/T Cooling - w/ Spring (250mm long + Elbow) - Flexible design with protective wire coil.

This fits a number of lmid 1960s to early 1970s models with automatic transmission. 250SL 280SL 250S 250SE 280S 280SE 280SE 300SEL. Check under the front of your car to make sure this matches what you have before ordering. 

$9.60

Automatic Transmission Inside Pan Protection Magnets x 2

These will work in any automatic transmission from 1968 up to 2004 including the 722.6 transmission. The 7G 722.9 has magnets in it.

Kent is a firm believer in using these strong magnets inside a transmission pan to help extend its useful life. 

They should be placed toward the rear of the pan as shown in the picture below.

$49.75

Early 722.9 Transmission Fluid Change Service Set Kit

Includes filter, gasket, fill pipe, and extras for the original shallower transmission pan.

For ALL 2003 to 2010 7-Speed automatic transmissions( early 722.9 WITHOUT option code  A89 indicating reduced friction). These are the 7G transmissions that use the red fluid with the shallower transmission pan. This is a complete kit for your transmission 40K service, not including the fluid.

$34.00

1981 to 1989 R107 380SL 560SL Transmission Kick Down Cable - NEW

Also know as the Bowden cable. If broken or out of adjustment your transmission will not shift properly. NEW o-ring included and installed

Inspect for adjustment and tension. If you disconnect the cable from the throttle linkage and there is no spring back pressure then the cable is broken.  

New o-ring seal installed.

$59.00

1981 to 1995 722.3 722.4 722.5 New Transmission Pan Replacement w/ Magnets

Fits many models during that period. See complete list below. Late W123, Late R107, W126, W201, W124, R129 and W140

These transmission pans get "out of shape" due to over-torquing the bolts. That crushes the stops (see below), and when that happens, it is very hard to get the pan seal not to leak. Your best option if you are doing a transmission service is to replace the pan.

$28.75

1981 to 1985 722.3 Turbo Diesel Transmission Bowden Cable Removable Tool

Revised version - now a modified vise grip for stronger hold and easier adjustment. It can be used to remove stubborn fuel hoses as well.

Also works on 380SL and 560SL transmissions. Before you think you can easily remove the Bowden cable from the transmission, watch the video below.

On Demand Video
$8.99

Fixing 1981 to 1984 Turbo Diesel Auto Transmission Pesky Leaks - On Demand Video

Applies to W123 and W126 turbo 300D, 300CD, 300TD and 300SD

These transmissions are now 40+ years old, and with age comes hardened o-rings and seals, leading to what I call "pesky" leaks. They are not bad enough to flow on the ground, but they do leave wetness around the transmission and drips on the garage floor.

$19.75

1981 to 1984 722.3 Transmission Pesky Leak Fix Kit

For 5-cylinder turbo diesel engined 300D 300CD 300TD and 3000SD. Tool not included ( purchase separately below).

These transmissions are now 40+ years old, and with age comes hardened o-rings and seals, leading to what I call "pesky" leaks.

On Demand Video
$9.99

722.9 7G Transmission: Valve Body and Conductor Plate Removal and Replacement

The video will only cost $10 but you could save $ hundreds and much grief by watching this video. This will help in dealing with fixing a limp-home mode problem.

Removing the valve body is not difficult, but it is fraught with risk. It is easy to damage the conductor plate if not removed properly, and that can be a very expensive mistake.

On Demand Video
$9.99

722.9 7G Transmission: Cleaning the Valve Body and Conductor Plate

The video will only cost $10, but you could save $ hundreds and much grief by watching this video. This can help you fix a limp-home mode pprobem

If you are planning to remove your 722.9 conductor plate for inspection or repair, you will want to take the time to thoroughly clean the plate, the valve body, and the solenoids. No cleaning agents or foreign chemicals should be used.

$6.40

722.9 Transmission Oil Cooler Line to Transmission Housing Seals x 2

When you remove the return trans fluid cooler line for a complete power drain you might be able to use the two ring seals.. BUT

To prevent potential fluid weeping on the end of this pipe fitting that attaches to the right side of the transmission, you might want to replace these o-rings if you end up removing the pipe during your 722.9 transmission service.

$18.60

Infrared Thermometer to Use When Checking Fluid Level in a 722.9 transmission

On the 7-speed transmissions from 2003 to 2016 transmission fluid level has be checked from under the car, with the engine running and the correct temperature reached.

Since there are no dipsticks on these transmissions, the DIY way to check fluid level is from under the car with a touch-free thermometer to measure the heat of the transmission fluid BEFORE setting the correct level. Instructions are included with my full 722.9 transmission fill kit.

On Demand Video
$6.99

Early 722.9 Upgrade Kit Instructions - On Demand Video

The VERY best thing you can do for your 2003 to mid 2010 7 speed transmission!

This is absolutely the best thing you can do for your older 2003 to mid-2010 Mercedes 7-speed transmission. In this 19-minute video, Kent will show you what is required to purchase and install to make this upgrade on an early 722.9 transmission. Yes, it is something you can do yourself!

$98.50

722.9 Transmission Fluid Fill and Power Drain Service Kit

Pressure tank included. From 2003 to 2016, 7-speed automatics require filling from under the car. For use with Red or Blue Fluid. Video instructions included.

 It comes with a special fitting attachment that includes two (2) shut-off valves ( to control spills) and a clear filter to make absolutely sure you are putting clean fluid into the pan. It includes over 5 feet of hose ( 30 inches which are clear so you can see the

$65.75

1968 to 1979 220 230 220 and Early 240 Clutch Release Bearing

Pilot Bearing sold separately. Does not fit later 240D. Reease bearing is Genuine Sachs part. Pilot bearing is aftermarket

If your clutch is making growling noise when you push the pedal in these are the parts you need to fix it. You might want to consider replacing the pressure plate and disc while you have the transmission out. 

On Demand Video
$14.99

Diesel VCV Valve Installation and Linkage Adjustment Instructions - On Demand Video

Applies to OM617 Turbo Diesels from 1978 to 1985 and OM616 and OM617 Non Turbo engines 1980 to 1983

In this 17 minute instructional video Kent will walk you through removing and installation a VCV valve off the back of the injection pump and the proper way to adjust the linkage travel for best performance.  A number of tips will be shared to reduce frustration and prevent problems.

On Demand Video
$12.99

1996 to 2006 Automatic Shift Bushing Replacement Instructions On Demand Video

This will cover most models in general but may not be specific to some. Please read description carefully.

This 12-minute instructional video covers the full procedure of replacing both shift bushings in a 1999 R129 SL500 and goes over the challenges of replacing the same bushings in a 2003 ML320.

$78.95

R107 450SL 380SL 500SL 560SL Damaged Shift Lever Bushing Repair Kit

If your shift lever is loose or rattles under the car this is what you need to fix it!

The R107 and C107 plastic shift bushings are very common parts that need to be replaced more often than not. Can you believe it is the exact same part that was used on all models for over 25 years! It is an inexpensive part that can cause big problems if it breaks out.

$238.00
Currently out of stock.

1996 to 2006 722.6 Transmission Conductor Plate Repair Kit w/ Video Instructions

Genuine Mercedes stamped with the star are NO LONGER AVAILABLE, but this is a high quality O.E. plate with an OEM Electrical Plug

These are the parts and instructions you will need to fix a very common shifting problem in the 1996 to 2006 Mercedes 722.6 five (5) speed automatic transmission.

On Demand Video
$6.99

Replacing the 722.6 Transmission Valve Body and Finishing Up - On Demand Video

Covers installing the valve body and new electrical plug, filling the transmission and what you will need to do to clear the error codes

This is PART 3 of Kent’s three part video series on troubleshooting and repairing a very common shifting problem in the 1996 to 2006 Mercedes 722.6 five (5) speed automatic transmission.

On Demand Video
$14.99

Removing the 722.6 Valve Body and Replacing the Conductor Plate - On Demand Video

Kent will walk you through a step-by-step process that will guarantee successful new part replacement on the bench

This is PART 2 of Kent’s three part video series on troubleshooting and repairing a very common shifting problem in the 1996 to 2006 Mercedes 722.6 five (5) speed automatic transmission.

On Demand Video
$8.99

1996 to 2006 722.6 Transmission: Do You Really Need to Replace It? - On Demand Video

Introduction to a very common shifting problem, how to diagnose it and options for repairing it

This is PART 1 of Kent’s three part video series on troubleshooting and repairing a very common shifting problem in the 1996 to 2006 Mercedes 722.6 five (5) speed automatic transmission. The entire video series is included free of charge when

$2.85

1996 to 2003 (Some to 2006)) Automatic Transmission Shift Lever New Replacement Bushing

Not for all models. Fits W210, W202, W208, Late R129, Late W140 and 1998 to 2003 ML320 - 1996 to 1998 AND 2003 to 2006 models require you check your bushings first before ordering

If your shift lever feels loose or is rattling, that is an almost sure sign that one or both bushings on the transmission shifting levers has/have disintegrated and fallen out. This new replacement bushing is cheap, but we need to warn you about installing it.

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