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On Demand Video
$18.99

Early W220 Engine Fan Motor Replacement Instructions - On Demand Video

Applies to 2000 and 2001 S500 and S430 sedans only

If you want to fix the engine fan motor or reduce the bearing noise, this is how you can do it for a little over $200. You don't need to replace the entire engine fan assembly, and you don't have to resort to buying a used one from eBay!

$98.50

Early W126 Sedan Late W123 Sunroof Motor and Drive Assembly - USED

Fits 126 380SE 380SEL 500SEL 300SD 1981 to 1985 with non-tilting sunroof and 123 see below

Good used working sunroof motor removed from W126 300SD with red clutch adjustment lock nut. There is a very small crack in the red cap, but it should not be a problem if you are careful with it. This motor will also work on 1981 to 1985 W123 but the mounting bracket may be different.

On Demand Video
Code Reader On Demand Video
$13.99

How to Use a Scan Tool to Read Check Engine (Light) Codes - On Demand Video

This is way easier than you might think and learning how could save you thousands $$$

Enter the dreaded “check engine” light. When it suddenly comes on it can create fear and panic in many a driver. Kent has known some people who have sold their cars cheap because they just did not want to deal with taking the car into a mechanic to get it fixed.

$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.

On Demand Video
Mercedes Ignition Switch Buzzer - On Demand Video
$2.99

How to Replace a Mercedes Ignition Key Lock Buzzer Switch - On Demand Video

When replacing a steering lock this little black switch can be a pain to get off

When replacing the steering lock assembly in your Benz you will need to remove that little black plastic switch on the side of the lock from the old one and put it on the new part. You can not pry it off, squeeze it off or pull it off by hand. 

On Demand Video
Using Lipo Batteries - On Demand Video
$3.99

How to Use Small Lithium Polymer Batteries to Work on Your Car - On Demand Video

If you are into RC (radio control) you will already have these batteries and special charger

Tired of lugging around heavy batteries or battery boosters to test electrical components in your car? It does not have to be a Mercedes. It does not even have to be a car. Anything that runs off 12 volt DC power can be tested by these small, light weight but very powerful batteries.

On Demand Video
Mercedes 201 Power Seat Switch - On Demand Video
$4.99

W201 Front Power Seat Switch Removal and Replacement - On Demand Video

A step-by-step video on how to do it right - Bonus feature on modifying switches from other models.

If your power seat is not working it is hard to determine if it is a switch, a motor under or inside the seat, or a wiring problem. From our experience  xx % of the time the problem is in a worn out or failed electrical seat switch.

On Demand Video
Rear Power Window Test - On Demand Video
$4.99

Troubleshooting Rear Door Power Window Failure

Electrical diagnosis can be done without removing door panel

If your rear door power window is not moving or the motor is not making any noise, it could be a failed motor, rear door switch, front switch or even a wiring problem. Trying to narrow down the problem can be frustrating unless you know the proper troubleshooting sequence.

$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.

On Demand Video
$8.99

Mercedes Late Voltage Regulator Replacement - On Demand Video Instruction

A guide on replacing a very important part on your later model Mercedes

The voltage regulator is a very inexpensive part that usually wears out between 110,000 to 130,000 miles. It is often neglected and Kent believes many alternators have been replaced over the years when all they needed was a $25 to $30 voltage regulator!!!

On Demand Video
Temperature Gauge Fix - On Demand Video
$6.99

Faulty Engine Temperature Gauge Troubleshooting and Repair - On Demand Video

Learn from this challenge some basic automotive electrical troubleshooting procedures

If your engine temperature gauge is not reading at all, you need to fix it before you keep driving the car. To ignore this could lead to major engine failure, since you will have no way to get an adequate warning that your engine is about to overheat.

On Demand Video
$0.99

W123 Easy Fuse Box Cover Removal and Replacement - On Demand Video

You would think this is easy until you get a W123 and try it yourself!

This is another small "frustration" for W123 diesel owners. The fuse box cover is mounted flat to the firewall behind and to the left of the brake booster. You can not just pull it straight out nor can you just push it straight back on.

$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

Early Internal Square Voltage Regulator
$32.50

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.

$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.

$98.50

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)?

$3.80

30 Amp Strip Fuse 2 pak- High Amp Draw Components

Primary use for fans and heating units on late 126 and 107 , 201 and 124 Chassis

Yes, there may be a fuse inside or outside your fuse box that controls your heater blower motor or another high amp draw electrical component. Most of the separate fuse holders require a 30 amp fuse. You may find a funny looking bent fuse inside your fuse box.

$1.80

50 AMP Glow Plug Circuit Strip Fuse - Sold Individually

For 1977 to 1983 240D

50 amp fuses were used on most 123 240D diesel glow plug systems due to the lower amp draw. 80 amp fuses will also work but some may choose to go with original spec. Check the number on the center of the fuse you are currently using. It should read either 50 or 80.

$178.50

190D 200D 220D Early 240D Fast Glow Plug Upgrade w / Manual Push Button Control

All early 4 cylinder diesels 1961 to 1976 - override factory glow system -- PDF Digital Instructions included!

Tired of having to pull and hold the glow / starter knob on your old 110 or 115 chassis diesel? Hand getting tired? Waiting forever to get the glow plugs hot enough to start the engine? Wish the glow plugs would not burn out so often?

$2.95
Currently out of stock.

80 AMP Glow Relay Strip Fuse - 3 Pack

300D 300CD 300TD 300SD 300SDL 190D

Fits chassis 116 123 126 124 and 201 Diesels with pencil glow plugs, from 1978 to 1989. This includes the OM617, OM601, OM602, and OM603 engines.  They also work on 1977 to 1979 300D 300CD and 300TD with series glow plugs. This pack includes three individual fuses.

$93.75

Diesel PENCIL Glow Plug Relay Manual Override Kit

Alternative to expensive factory preglow relay on 1980 to 1993 diesels W116 W123 W126 W201 W124 and W140

Can be installed on the following models:  Please read carefully. All Turbo 116 and 126 300SD 1978 to 1985. All 123 turbo and non turbo 240D 300D 300CD 300TD 1980 to 1985. 1984 to 1989 201 190D. 1986 to 1991 126 300SDL 350SD and 350SDL. 1986 to 1993 124 300D and 300TD.

$192.95

Early 300D 300CD 300TD Non-Turbo Glow Relay Manual Override Kit w/ Upgrade Plugs

1975 to 1979 5 cylinder non-turbo models - PDF Digital Instructions included!

Fits the Following, 1975 to 1976 ONLY 115 chassis 300D and 123 chassis 300D 300CD and 300TD from 1977 to 1979 with series style loop glow plugs. SVO / WVO applicable. If you are tired of glow plug problems, then this kit is made for you.

On Demand Video
$0.99

W123 Battery Removal Easy Method and Under Tray Inspection Alert - On Demand Video

How to prevent damage to the battery, the car and your back when removing that big battery

This is another small "frustration" for W123 diesel owners. The diesel requires a big and heavy battery that is not as easy to remove and replace as you would think. If you are not careful, you can tweak your lower back lifting one out of the car.

On Demand Video
Early Mercedes Wiper Arm Removal, Replacement and Adjustment Procedure
$2.99

How to Fix Some Early Turn Signal Levesr That Won't Hold Position - On Demand Video

Most 1965 to 1976 models if they still function but lever will not hold. In most cases you can repair it yourself and save big $$$.

An annoying problem on many older Mercedes up to 1980 that have an aluminum housing surrounding the turn signal arm latching assembly. When these wear out the lever will not hold position when you push it up or down.

On Demand Video
$4.99

Waking Up an Old Benz That Has Sat for Years Part 2 - On Demand Video

After getting the engine running what's next?

When an old Mercedes ( or any other car for that matter ) has sat idle for over a year it can be a challenge to get it safely back on the road again. If it has sat idle for more than 5 years you may find it difficult to even get the engine running.

On Demand Video
$3.99

Power Window Stuck Closed - What to Do? On-Demand Video

How can you get the glass down in order to fix the problem.

The power window is stuck closed. Do the tests outlined in this video first. You may have to remove the regulator and to do that; you have to lower the window.  But how???

$62.00

1977 to 1983 Metal Housing Hirschmann Antenna Motor and Drive Assembly

This is the best one we have. This is for the antenna with the smooth type tail antenna mast ( INCLUDED).

If you need internal parts for your failed Hirschmann antenna this is the best we have. Very clean and very strong running motor. Recently tested by Kent. Motor runs smoothly and gears are in good condition. Extra parts included as shown.

$125.00

W108 W109 V8 280SE 280SEL 300SEL Aux. Electric Fan - USED

This is real good - speed and quiet way above average.

Only one is available. Tested. Note that the plug has been cut off at the end of the wiring, so you will need to slice in your own plug.

This is how it mounts up in a 300SEL 4.5.

$12.80

Mercedes Specific Ignition Spark Tester 1970 to 1991 V8 Gas Engine

Custom machined in our shop. Use it to quickly determine if your engine has spark. For M116 and M117 V8 engines through 1991

Did the engine just quit? Does it just not start even with prolonged cranking? What could it be? The first thing you want to determine with most older cars is whether there is spark to the plugs.

$9.85

1970 to 1991 M116 M117 V8 Ignition Wire Holders

Snap into the top of the valve cover to keep the wires separated

When removing valve covers or changing wires, replace these with new ones. They may look good, but they usually break due to engine heat and age.

$75.00

1960 to 1993 Diesel Glow Systems Theory, Troubleshooting and Repair Book Set

Collectors edition. Only a few sets available. Written and signed by Kent Bergsma

These will no longer be printed when these are gone. They will still be available as a download. All books are signed by Kent. This is an end of an era for us.  Most books are approximately 15 pages in length and covered with heavy clear plastic.

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