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On Demand Video

How to Remove Fine Scratches from Your Car's Windshield - On Demand Video

Video instructions using Kent's glass polish kit to remove scratches with less mess and less heat!

This video will take you step by step through the process of using our glass polish kit with a multitool to remove those fine scratches from your windshield or rear hatch glass. It also works great for polishing the water and acid rain out of any glass, including shower doors!

On Demand Video

Instructions for Using the Mercedessource Rear End Drain Plug Wrench

Specific to the wrench designed by Kent and offered on our website

This video will show you to details on how to use Kent's custom rear end and manual transmission drain plug wrench. These 14 mm plugs were used on almost all manual transmission and rear ends from the early 1960's up to the mid 2000's.


617 5 Cylinder Turbo Diesel Cylinder Head Bolt Set- USED

Replace when heads have been damaged, bolts are severely rusty, or the engine has been overheated

Good complete set of star head silver bolts for 617 5 cylinder turbo diesel engines from 1978-1985. These should be replaced with new or good used if your engine has overheated enough to blow a head gasket. A special socket is required. See related products below:

617 Turbo Head Gasket Set

617 Turbo 5 Cylinder Diesel Head Gasket Set

Limited supply for turbo 300D 300CD 300TD and 300SD

New head gasket set. Fits all 5 cylinder TURBO diesel engines only from 1978 to 1985 including 300D, 300CD, 300TD and 300SD. Comes complete with all gaskets only as shown in the picture. Valve stem seals, chain tensioner gasket, thermostat housing gasket, and valve cover gasket are NOT included.


W123 300TD Wagon SLS Leveling Valve for Parts - USED

Fits 123 station wagon estate 1978 to 1985

Not complete. Good for parts. One of the fitting threads in the housing was stripped out and a helicoil inserted but at a different thread pitch. The back of the body plate has heavy corrosion but is till usable. If someone needs parts this could help restore another leveling valve.


High Quality USA Made 5/8 Inch Spark Plug Socket and I Inch Short Extension

Superb socket gripping action and precise notches allow good lock in of the extension

I have used a ton of 5/8 inch spark plug sockets over the years but this one is the best. Primarily for two reasons: 1. The rubber holder inside the socket is twice as long and twice as strong as what is in most of the other spark plug sockets out there.  2.


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

Fits Most BUT NOT ALL models. Please read full description and watch video before ordering. . W202, Late R129, Late W140, W210, Early W220, W203, and ML320

If your shift lever feels loose or is rattling, that is an almost sure sign that a bushing (or both)on the transmission shifting lever or the console shifter has disintegrated and fallen out.

Currently out of stock.

W123 Shifter Console Cover Excellent ( Used )

Fits all 123 240D 300D 300CD 300TD 280E 280CE 1977 to 1985 with automatic transmission- WIRE OR LIGHT HOLDER NOT INCLUDED

Exceptionally good used shift indicator cover. Not all beat up and scratched like most. The top face with chrome accents and lettering is almost mint.

Please note: This is the cover only. If you need the entire mechanism see related products.


1968 to 1995 Most Models Fuse Box Ultimate Service Kit

Fuses, supplies, tools and video instructions (below) to restore most older fuse boxes to better than original condition.

So you think the fuses in your old Mercedes fuse box are fine and have no need for service. Sometimes fuses may look ok at first glance, but if you are having some unexplained and/or intermittent electrical problems, then you might want to take a closer look - and I mean real CLOSE!


1972 to 1975 R107 350SL 450SL Complete Fuel Pump Conversion Kit

This conversion kit offers a replacement Bosch fuel pump with correct fuel pressure, new filter, all new hoses and clamps, extras as noted and full detailed video instructions by Kent

SSince new original style pumps are no longer made, this is the best way to finally fix your old fuel pump leaks and poor performance.


Later R107 Spark Plug Complete Installation Kit

Best Plugs, best tools, and best procedures for 1977 to 1989 models with CIS (mechanical) fuel injection systems.

Do not let anyone convince you to install some super platinum, iridium or kryptonite spark plug in your later model R107 SL V8. They are just not capable of handling the richer fuel mixtures associated with these older engines.

On Demand Video

Early V8 Engine Compression Test Procedures - On Demand Video

30 minute Instructions apply all M116 and M117 engines from 1970 to 1991. Principles also apply to 4 and 6 cylinder gas engines during that same period.

This video will walk you step-by-step through the proper procedures for doing a full compression test on your older V8 Mercedes Engine.

Rear Axle Removal and Boot Replacement Kit

Most 1968 to 1985 W114 W115 W123 Complete Rear Axle Rubber Boot Replacement Kit

Full Kit Both Axles w/ special tool and installation manual. WARNING: This is kit will only work on the ORIGINAL FACTORY U.S. MARKET AXLES THAT CAME ON THE CAR!

FITS THE FOLLOWING: 114, 115, and 123 chassis Mercedes to 1985 that use the rear axles with the crimped sealed cans over the flex joints (spider). Read the text for more detail. This kit WILL NOT WORK on any other axles both Mercedes and aftermarket.

123 left side door striker kit

123 Left Driver Side Door Striker Latch Repair Kit

All 240D 300D 300TD - 1977 to 1985 - Special removal tool included

Fits all 123 chassis sedans and wagons from 1977 to 1985. This is the complete kit for the left side front or rear door. It includes a new striker, four new Mercedes OE Allen bolts, special removal tool and instructions.

On Demand Video

Diesel Harmonic Balancer Installation Tips and Tricks - On Demand Video

Did you forget to mark it before removal? Can't see down there to align it properly? Not sure about the bolt and washers? This video will HELP!

This video ONLY covers some of Kent's "tips and tricks" on installing a harmonic balancer back onto the front of the crankshaft on an old Mercedes engine. The specific procedure was filmed while doing a front crank seal replacement on a 1983 240D.


116 123 126 201 Chassis Hydraulic Suspension SLS Pump Resealing Kit

For most models with self leveling suspension from 1977 to 1991 - 6.9, 300TD, 16V, 560SEL SEC

Every one of these pumps I have ever seen need resealing. The seals and o-rings become just too hard over all those years of use. This is the most complete SLS (self leveling suspension) pump overhaul kit on the market today.


Easy-No-Mess Rear End and Manual Trans Fluid Fill Tank

Designed by Kent - Now he likes under car fluid changes! :-) Full 20 minute video drain and fill instructions included. Please read important note on the revision made on 3/3/20.

This tank works amazing! Put in the heavy rear end or trans fluid. Pump up the pressure. Stick the non-fall-out end in to fill hole... and just push on the valve in the handle of the filling wand.

Diesel Fuel Injector Anti Leak Kit w/ Instructions

Diesel Fuel Injector Anti Leak Kit w/ Instructions

For sealing all Diesel mechanical injectors 1961 to 1993

We receive a large number of emails from customers complaining about small fuel leaks at the fuel injector housing (coming out the threads between the two halves)and how best to seal them. To fix this high pressure leak requires taking the injector apart and "lapping" the mating surfaces.


115 116 123 and 126 Diesel Motor Mount Installation Help Kit

Instructions and special ratcheting hex tool and small combination wrench included 220D 240D 300D 300CD 300TD 300SDL

This kit will work on all 115, 116, 123 and 126 chassis diesels from 1969 to 1987. Almost every old Mercedes diesel I see needs to have the motor mounts changed. If you have a mechanic do it for you it will cost an arm and a leg.


Threaded Fitting Epoxy Sealant - The Best!

Amazing hi-grade and slow drying epoxy that REALLY seals steel and brass threaded fittings

I have gone through a lot of pain dealing with leaks in either fuel and high pressure threaded fittings. This can be true of biodiesel or vegetable oil conversion systems. Vegetable oil has an amazing wicking ability and will leak out of the slightest thread flaw.

On Demand Video

How to Pressure Fill a Rear End, Transfer Case or Manual Transmission - On Demand Video

The easy no-mess fluid change method by Kent Bergsma - It can actually make you want to do the job!

Have you dreaded changing the rear end fluid before because it is a pain and ends up being really "messy?" Kent finally decided there had to be a better way so he went to work and came up with the idea of using a simple and affordable custom made pressure tank to "flush" and refill differentials


W123 300TD Wagon SLS Hydraulic Suspension Leveling Valve - REBUILT

Last good one. Fits all 123 300TD 1979 to 1985 - Corrosion free with bracket - Free how-to-adjust video and pin centering tool for installation

EXCELLENT refurbished leveling valve as shown. This one is right up there with the best we have seen. Never been subject to road salt. It is super clean inside with hardly any scratches.  Kent has taken this apart in his shop, cleaned it, and inspected it. All new seals installed.


Early 3.5 and 4.5 Complete Valve Clearance Adjustment Kit

For 1970 to 1975 350 and 450 Models with D-Jetronic Fuel Injection. Includes tools, and instructions. FREE valve cover gaskets included. This is a NEGECTED maintenance item!

Why do you need to do this?  Valve clearances are supposed to be adjusted on these early V8s every 10,000 miles. You can imagine why this does not get done! Add to the fact owners can not find the right information or tools and it makes neglect even worse Why not on later model years?


Late 616 617 Diesel High Performance Glow Plug Relay

1981 to 1985 240D 300D 300CD 300TD 300SD - Faster smoother starts in COLD WEATHER!

Looking for better-staring performance? Are your glow system lights not coming on on your dash even after replacing the glow plugs? It it taking way too long for the glow light to go out ( it should only be on 5 to 10 seconds)?


190D 2.2 4 Cylinder Cylinder Glow Plug Installation Kit

For 601 diesel engines only from 1984 to 1986 - reamer and instructions included

If you are planning to install new glow plugs in your 601 engine, 190D from 1984-1986, it is essential that you ream the carbon out of the holes to prevent premature failure of your new plugs.

On Demand Video

W123 Instrument Cluster Removal Procedure Without Damage - On Demand Video

For all 123 sedans, coupes, and wagons 1977 to 1985 - Special tools are required see related products

In the video instruction, Kent will show you the step-by-step procedure on how to safely remove the instrument cluster from the dash. It will require our special dash pull tools that can be purchased separately.


Heavy Duty Carbon Reamer for Pencil Glow Plug Chambers

A must have to increase glow plug performance and extend life

PENCIL GLOW PLUGS ONLY!! WILL NOT WORK ON MODELS WITH THE OLD STYLE LARGE THREAD SERIES TYPE. For 1978 to 85 300SD Turbos / 1980 to 93 240D / 300D 300TD 300CD 190D 300SD 300SDL 350SDL. When was the last time your glow plug chambers were reamed out?


1986 to 1991 R107 and W126 V8 Twin Pump Fuel Delivery Overhaul Kit

For 420SEL, 560SEL, 560SEC and 560SL - Complete Kit with detailed video DIY instructions

Many of these particular big V8 models are now becoming true collector cars and going up in value at a steady rate. ( especially the 560SEC and 560SL) Most of their fuel injection delivery  (FID) systems are old and tired and have not been properly maintained.


Garrett T3 Turbocharger Compressor Housing Gasket

Fits Garrett Turbo chargers only 1978 to 1987 - 300D 300CD 300TD 300SD and 300SDL

This is the highly specialized paper gasket that seals the center section forward bearing plate to the compressor wheel housing as shown below:

On Demand Video

1978 to 1985 Pencil Glow Plug Replacement Instructions - On Demand Video

For 1978 to 1985 300SD and 1980 to 1985 240D, 300D, 300CD and 300TD

Pencil (parallel style) glow plugs usually fail slowly over time. The first signs are rough running after startup. Then you may see a flashing glow plug light on your dash. If ignored over time you engine may not start at all.


M117 V8 Timing Chain and Upper Guide Rail (3) Replacement Kit w/ Written and Video Instructions

Prevents Catastrophic failures on 4.5, 5.0, 5.6 liter V8 engines from 1972 to 1991. NOTE: Oil tube clips and valve cover gaskets available separately

If you own a Mercedes with the M117 V8 engine timing chain failure can really ruin your day! If the engine it turning at high speed when this happens, it can destroy the engine. If it happens at low speed, you may get away with removing the heads and replacing some bent valves.

123 300TD Wagon and 114 115 Chassis Fuel Tank Screen Replacement Kit

123 and 124 300TD Wagons Only and 115 Chassis Fuel Tank Screen Replacement Kit

DIESEL ENGNES ONLY: 1979 to 1987 300TD Wagon - W115 Chassis 220D 240D 300D1969 to 1976 - with special tool included

This kit includes a New Mercedes OEM fuel tank filter screen along with a special tool I have made to remove and install it. It will save you the time and expense of running out and buying a great big Allen wrench.


123 Turbo Diesel and Some 126 Diesel and Gas Engine Motor Mounts - Set of 2

ALSO FITS 116 300SD --- Fits only those models listed below from 1978 to 1991

Set of 2 rubber motor mounts. These mounts fit TURBO DIESEL 300CD, 300D, 300SD, 300SDL, 300TD, and gas V8  380SE, 380SEC, 380SEL, 420SEL, 500SEC, 500SEL, 560SEC, 560SEL. These are high failure rubber parts on older cars.


R107 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.


Miracle Paint Preparation Kit for Rust Pitted Surfaces

This is the best tool and attachments to use for cleaning small hard-to-get-to rusted metal surfaces

Over the years I have used lots of different methods to clean off rust before applying Miracle Paint. This is the best and quickest method I have found. This is a great tool that can be used for many other things like cleaning off brake hubs and rotors.

Currently out of stock.

6 to 24 Volt Probing Electric Circuit Tester w/ Very Long Leads

This is the handiest electrical testing tool you can have in your tool box

With the long lead provided (12+ feet) you can hook up to your car battery and go around the car and test the operation of various electrical components.


617 Diesel Garrett T3 Turbocharger 200K High Performance Overhaul Kit

For 5 cylinder Garrett turbos on 300SD 300D 300CD and 300TD 1978 to 1985

For 5 cylinder Garrett turbos on 300SD 300D 300CD and 300TD 1978 to 1985. Buy the complete kit and save! If your Garrett T3 turbo has over 200K Kent highly recommends you plan on doing the complete overhaul.