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$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?

$19.95

HD Diesel Engine Glow Plug Circuit Tester

Every diesel owner should have one of these in the trunk to quickly test glow plug functions

A 12 volt test light is a very handy tool to have when working on any car but it is particularly important if you have a old diesel. This tool will allow you to quickly determine if there is power getting to your glow plugs, and if not where the power is breaking down.

$1.90

1982 to 1995 Auto Transmission Dipstick Tube Seal

Fits all models with the 722.315 and most 722.4 transmissions - see list below

This is becoming one of the common transmission fluid leaks on these older automatics. If the trans is leaking fluid in small puddles while the car sits for longer periods suspect this seal. You can be fooled thinking it is coming from the pan gasket.

$2.95

617 Turbo Diesel Transmission Bowden Cable O-ring Seal

For 1981 to 1985 Turbo Diesel 300D 300TD 300CD and 300SD

Custom ordered for a better fit than original! special Oring seal for the bowden cable housing where it connects to the right side of the automatic transmission. This is a common leak area and you may be fooled into thinking it is leaking out of the pan gasket.

$24.95

Main Dash Light Bulb Holder Socket Set

Great upgrade replacement for the weak W123 W126 W201 and W124 bulb holders. These are easier to turn with cluster still in the dash.

SOLD AS A SET OF TWO. You can watch Kent's video to see how important these bulb holders are and whey he likes them so much.

$79.95

W210 W220 W215 Cabin Air Filter Set (Four Filters)

Fits E320, E300, E420, E430 1996 to 2002 and S430, S500, CL500 1999 to 2006 including AMG. Kent's video instructions included for free.

Complete set of four cabin air filters only for models listed. Why don't people change their cabin air filters??? Kent has never seen a clean set! Don't believe it, just check out his youtube videos.

$38.50

Late Model Voltage Regulator for most M112 and M113 Engines

Fits V6 and V8 models 1998 to 2002 listed in description - Kent's detailed instructional video is included with purchase.

THESE ARE GENUINE BOSCH. Do not purchase the cheaper aftermarket regulators as we have found they do not last. This voltage regulator that bolts on to the back of your alternator. This is the common failure point and when it does you will not be getting any charge to your battery.

$19.60
Currently out of stock.

W116 Fuse Box Diagram Location Sheet - N.O.S.

116 Chassis 1973 to 1980 US models

New fuse box fuse location sheet as shown. Please note there are some slight varibles between different W116s so there may be some different wording, etc. from your original

 

$139.00

Late 123 Heater Blower Motor Assembly New

Fits U.S. Model W123 1980 to 1985

Brand New aftermarket heater blower motor. There are not many options for the 123 owners other than used. Many of the used heater motors out there are just worn out. This is a direct replacement ready to install under your dash.

$79.50

Automatic Transmission Shift Rod Bushing Replacement Tool Kit - New Bushings Included

For LATE MODEL (70-73) 108 109 and ALL 114 115 107 116 123 126 201 124 129 and 140 chassis 1968 to 1995

The plastic shift bushing is a very common part that needs to be replaced on older Mercedes. 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.

$19.60

OM 616 OM 617 Diesel Engine Oil Drain Plug Magnetic Pickup - SUPER STRENGTH

Stainless steel! For 1977 to 1985 Diesels in W123, W116 and W126 chassis passenger cars up through 1985.

This engine oil drain plug can help extend the life of your old diesel engine. It is not a normal drain plug, nor is it some cheap magnetic drain plug that will pick up a few paper clips! This one has to have the strongest magnet in the world for its size.

$86.50

Lower Front Seat Spring Sag Repair and Restoration Kit

For ONE 116, 123 and 126 Chassis Sedans, Coupes or Wagon Seat Bottom

For ONE 116, 123 and 126 Chassis Sedans, Coupes or Wagon Seat Bottom. This unique kit is designed to help you repair and restore one broken down front seat bottom so common in the 116, 123 and 126 chassis Mercedes built from 1973 to 1991.

$259.00

5 Cylinder 617 300D 300TD 300SD Physical Exam Kit

Check the Health of your Diesel Engine Yourself - Save BIG $$$

If you are going to buy or have just purchased an older 5 cylinder Mercedes Diesel (1975 to 1985) the first thing you need to do is a good physical exam of the engine. Don't throw money at a car that has a dying engine.

$239.00

4 Cylinder 220D 240D Physical Exam Kit - Check Engine Health

You can save thousands $$ by doing this yourself and catching problems early.

If you are going to buy or have just purchased an older 4 cylinder Mercedes Diesel the first thing you need to do is a good physical exam of the engine. It is even better to do this BEFORE you purchase the car to prevent surprises and pain in your wallet.

111, 108, 107, 116 Quad Hella H4 Headlights
$335.00

W111, W108, W109, R107, W116 Quad Hella H4 Headlights Full Set of four

The highest quality street legal quad headlight upgrade set available. Improve safety with better night vision.

PLEASE NOTE: These are a special order item so there may be a shipping delay. Fits all R107 from the 1972 350SL all the way to the 1989 560SL - Amazing! Are you looking for a new look and/or better headlights on your classic Mercedes but do not particularly like the looks or the price of the orig

$34.95

Miracle Paint For Permanent Rust Repair PINT Black - Free Brushes and Gloves

PLEASE NOTE: This kit contains liquids that can only be shipped by UPS ground. Due to this requirement we can only ship to the continental lower 48 States Sorry for this inconvenience.

NEW and improved HD formula. This new formula has a thicker viscosity for easier application on vertical surfaces and when using fiberglass cloth.Miracle Paint is a unique moisture cured non-porous paint that bonds to rusted and corroded metals like no other coating.

$49.50

201 190E 190D Heater Control Valve Replacement Kit

Now with PDF instructions and extra hardware

Are you mysteriously losing coolant? Having heater problems? Does your heater have a mind of its own. Then your 201 chassis vacuum controlled heater valve may be bad.

$55.00

Miracle Paint For Permanent Rust Repair QUART Black - Free Brushes and Gloves

Receive Related Bonus-Product Free! (Can only be shipped UPS Ground)

NEW and improved HD formula. This new formula has a thicker viscosity for easier application on vertical surfaces and when using fiberglass cloth. Miracle Paint is a unique moisture cured non-porous paint that bonds to rusted and corroded metals like no other coating.

$49.95

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.

$30.75

Late 201 and 124 Chassis Early 140 Chassis Voltage Regulator

For later models with higher amperage alternator

New voltage regulator to fit the following 201 and 124 models listed below from 1990 to 1995. No instructions included but not difficult to replace.

Fits the following

1992 and 1993 190E 2.3 ONLY (Does NOT fit 2.6 models!)

1990 to 1995

61x Diesel Automatic Transmission Tuning Manual
$28.50

Diesel Automatic Transmission PEAK Performance Tuning Manual by Kent Bergsma

Receive two related On-Demand videos FREE! Covers ALL Diesel Automatics from 1969-1984 220D 240D 300D 300CD 300TD 300SD

I have received so many emails on this topic that I had to sit down and write a very detailed manual over 130 pages in length!  Let's face it! Diesel automatic transmissions can be troublesome, particularly those models that use vacuum to control shifts.

$124.95

Early 124 Sedan Front Shock Absorber Strut

For 260E 300E 300D 124.030 up to A873916

Fits right or left side. New Bilstein front strut as shown. Please check your vin number before ordering.

To add our new front strut boot and stop buffer kit look below.

$19.50

Brake Systems Troubleshooting Inspection and Repair by Kent Bergsma

PRINTING MANUAL AGAIN AS OF JULY 2025!

Covers 1965 to 1995 110, 111, 112, 108, 109, 107, 114, 115, 116, 123, 126, 201, 124, and 129 Chassis master cylinder, pads, rotors, calipers and flexible brake hoses. Only covers models with 4-wheel disk brakes. DOES NOT COVER drum brake repair. 

Early Internal Square Voltage Regulator
$39.50

1970s Chassis Alternator Mounted Voltage Regulator

Fits Early Pre 1980 Models -Direct replacement for rectangular box regulator

Works on most 116, early 107, 114, 115 and early 123 models from the early 70s up to the end of the 1970s. This is a replacement for the Bosch rectangular voltage regulator (see image below) those cars that use an internal voltage regulator.

107 Chassis New Rear Bilstein Set
$195.00
Currently out of stock.

107 Chassis Rear Bilstein Shock Set of (2) COMFORT

Fits all 107 Chassis Mercedes 1972-1989. The best way to restore the original ride and feel of your Mercedes is to replace your shocks with new Bilsteins. There is no other shock that will perform as well. These are OEM COMFORT shocks that give you the smoothest ride.

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$219.00

114/115 Chassis New Rear Bilstein Shock Set

Fits all 114 and 115 cars 1968-1976. The best way to restore the original ride and feel of your Mercedes is to replace your shocks with new Bilsteins. There is no other shock that will perform as well. These are OEM COMFORT shocks that give you the smoothest ride.

114/115 Chassis New Front Bilstein Set
$184.50

114/115 Chassis Front Bilstein Shock Set of (2) COMFORT

Fits all 114 and 115 Models 1968-1976. The best way to restore the original ride and feel of your Mercedes is to replace your shocks with new Bilsteins. There is no other shock that will perform as well. These are OEM COMFORT shocks that give you the smoothest ride.

107 Chassis New Front Bilstein Set of (2) - COMFORT / TOURING
$174.00

107 EARLY SL Chassis Front Bilstein Shock Set of (2) COMFORT / TOURING rated

350SL 450SL 350SLC 450SLC 380SLC 380SL ONLY

Fits 107 chassis 1972 to 1985 only. Will not fit 560SL. The best way to upgrade the original ride and feel of your Mercedes is to replace your front shocks with new Comfort / Touring rated Bilsteins. There is no other shock that will perform as well.

107 Chassis New Rear Bilstein Set HEAVY DUTY
$199.50

107 Chassis New Rear Bilstein Shock Set of (2) HEAVY DUTY

350SL 450SL 350SLC 450SLC 380SLC 380SL and 560SL

Fits all 107 Chassis Mercedes 1972-1989. The best way to upgrade the original ride and feel of your Mercedes is to replace your shocks with new HEAVY DUTY Bilsteins. There is no other shock that will perform as well.

107 560SL Front Bilstein Shock Set
$162.00

Mercedes 107 560SL Front Bilstein Shock Set COMFORT / TOURING Rated

Fits 107 Chassis 560SL 1986 to 1989 ONLY. The best way to restore the original ride and feel of your Mercedes is to replace your shocks with new Bilsteins. There is no other shock that will perform as well. These are OEM Comfort rated shocks. Sorry, no instructions available.

$193.50
Currently out of stock.

126 Chassis Rear Bilstein Shock Set of (2) COMFORT

PDF Digital instructions included

Fits 126 Chassis 1981 - 1991 EXCEPT 560SEL. The best way to restore the original ride and feel of your Mercedes is to replace your shocks with new Bilsteins. There is no other shock that will perform as well. These are OEM COMFORT shocks that give you the smoothest ride.

107 560SL Front Bilstein Shock Set
$196.00
Currently out of stock.

116 Chassis Rear Bilstein Shock Set of (2) COMFORT

Fits all 116 Chassis 1973-1980.

The best way to restore the original ride and feel of your Mercedes is to replace your shocks with new Bilsteins. There is no other shock that will perform as well. These are OEM COMFORT shocks that give you the smoothest ride.

$199.00

116 126 Chassis Rear Bilstein Shock Set of (2) - HEAVY DUTY

Fits all models with standard suspension - for firmer ride with heavy loads - PDF Digital Instructions cover W126 chassis only principles are the same for the W116

Fits all models list below without Self Leveling Rear Suspension. The best way to upgrade the original ride and feel of your Mercedes is to replace your shocks with new HEAVY DUTY Bilsteins. There is no other shock that will perform as well.

$218.50

123 Chassis New Front Bilstein Shock Set of (2) HEAVY DUTY

For agressive driving on hauling heavy loads - PDF INSTRUCTIONS

FITS THE FOLLOWING all 123 chassis from 1977-1985 which include the 230, 240D, 240TD, 280E, 280CE, 300D, 300CD and 300TD. The best way to upgrade the original ride and feel of your Mercedes is to replace your shocks with new HEAVY DUTY Bilsteins.

$126.75

615 616 617 Diesel Valve Adjusting Wrench Kit - Designed by Kent Bergsma - Made in the U.S.A.

For adjustable valve clearances on 190D 200D 220D 240D 300D 300CD 300TD 300SD 1961 to 1985. Written instruction booklet included.

These wrenches are fantastic labor savers. If you have been thinking about adjusting your diesel's valves yourself.  This kit will save you time, frustration, and high shop labor costs. Now is the time to get your own pair. NOW WITH RUBBERIZED GRIP HANDLES. Made in the U.S.

$368.50
Currently out of stock.

1990 to 1995 201 126 and 124 Chassis Ignition Lock and Key Assembly Refurbished w/ Detailed Instructions

Locks are NLA. SEE SEVERE WARNING BELOW. No cable cam included. Used OE steering lock and cap. New aftermarket key tumbler installed and new switch included..

NO WARRANTY IF YOU LOCK THIS UP. If you take it apart to install the transmission lock-up cam, do not "play" with it. Do not turn the key fully on until you have installed the lockout cam, rear electrical switch, and the cable for the transmission.

$129.00

W123 W126 OM617 Turbo Diesel Transmission Ultimate Diagnostic and Tuning Kit

116 and 126 1978 to 1984 300SD, 1980 to 1984 123 240D and 1981 to 1985 123 Turbo 300D 300TD 300D 300CD. Does not apply to the 722.4 transmissions found in most 1985 models

INCLUDES TRANSMISSION PEAK TUNING MANUAL.  DO NOT ORDER SEPARATELY. Bonus videos are included free. To properly tune your diesel transmission, you will first need the know-how and then the equipment to adjust your transmission modulator and your VCV transmission shift valve.

$398.00

NEW 1980 to 1987 Diesel W123 W126 Steering Lock and Key Assembled and Tested w/ Instructions

All NEW parts. The locks are no longer made (NLA). We only have a couple in stock, then they are gone. Electrical Switch NOT included. Instructions are via Kent's written manual and new 44-minute video.

Fits 1980 to 1985 240D 300D 300CD 300TD and 81 to 87 126 300SD 300SDLThe lock and release mechanisms inside wear out over time, and when that happens, a new tumbler assembly will NOT fix the problem. If the internal wear is severe, the lock may not be repairable.

126 left upper control arm
$69.75

126 Chassis Left (Drivers side) Front Suspension Upper Control Arm

For all W126 sedans and coupes 1981 to 1991

This is a very common wear item on high mileage 126 chassis. It will start out as a clunking noise when you go over rough ground. When real bad it will be hard to get your car to track right down the road  (it will want to wander) and you will experience rapid and uneven tire wear..

$227.00

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

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.

$9.80

3 Dome and Trunk Light Bulbs + 3 Glove Box and License Light Bulbs

These fit many models from the 1970s to 1990s—both short and long bulbs, as shown.

The long bulb is 1 and 3/4 inches long, and the short bulb is 1 and 1/2 inches long. These bulbs don't necessarily fit all models. Some applications require smaller bulbs, and please measure your bulbs before ordering this 6-pak.

$112.00

1990 to 1995 6 Cylinder Diesel Glow Plug Relay

For 126 chassis 350SD 350SDL, 124 Chassis 1995 E300D and 140 Chassis 300SD and S350 ONLY in those years

Special price only 6 available. New Aftermarket Glow Plug Relay for models and years listing. PLEASE NOTE: cover is not included. You will have to use that from your old relay. Easy install. No instructions included.

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