Kent's Factory Service Manuals collection is going on sale now. CLICK HERE.
With this deluxe kit, you can reduce frustration and save big when doing it yourself. Watch the videos below to learn more!
16 spark plugs for the V8. 12 spark plugs for the V6. No wonder they never get changed. I think people freak out about the cost. I am determined to change that mindset.
This manual is a complete guide for all brake component replacement for all 1965-1995 Mercedes Benz cars. It will help you identify common signs of trouble, inspecting brake components, and replacing major brake components - a necessity for any DIY brake job on your Mercedes Benz!
In this 22-minute instructional video, Kent will take you inside the door on a W123 240D and show you all the key points that should be lubricated and the type of lubricants you should use.
This package of lubrication products includes all those items listed below under related products. You can purchase each one separately or altogether here and save. To learn more specific details about each product click on any one of the related products that you see listed.
Tired of trying to get your bent dash wood to stick to the dash? Have you tried to glue it or use tape only to have it loosen or fall off again? This new kit Kent put together will solve the loose dash wood problem once and for all.
This is a very common problem on the W123. The wood will just fall off someday. Worse when the car is left outside or in a hot climate.
Good used emblems as shown. All pins are in tack.
Replacing a distributor cap is easy right. No problem?? If it were I would not get so many emails and why the engine won't run right after changing the cap and rotor. This is a short eight and a half minute video but the tips I share could save you some big headaches.
This is one of those severely neglected parts that seem to never get changed. This is the FIRST thing you want to look at when the engine won't start, starts and quits, or misfires on and off. This is a quality German-made aftermarket cap with Genuine Bosch Rotor.
It is hard to find the right motor mount bolts for the 116 diesels. They have to be good hard steel and just the right length. We have provided locking washers to install with the bolts so they will not loosen up.
Diesel idling too fast. Diesel idling too slow. Diesel shaking at idle. Transmission jerks with shifting from Park to Drive. These are some of the symptoms that might indicate your engine's idle speed is not adjusted correctly.
This highly detailed 24-minute DIY video instruction will show you how to do the following on your EFI R107: Inspect the rear hoses for fuel leaks, drain the fuel out of your fuel tank, take the fuel pump and filter assembly apa
Since new original style pumps are no longer made, this is the best way to finally fix your old fuel pump leaks and poor performance.
If your V8 is running hot or temp gauge is moving you may have a bad sending unit. Located at the front of the engine. Easy replace. Drain one gallon of coolant out of the radiator before removing it.
This on-demand instructional video was filmed to go with Kent's new fuel tank sending unit service kit launched in June of 2020. This is not a complete video on the subject of fuel level sending units. For the complete video see related products below.
If your fuel gauge stops working or is not reading accurately, many times it can be repaired by removing it from the fuel tank, taking it apart and giving it a good internal cleaning of the contact points, float shaft, and wires.
We have been talking about this for years. It was Ryan who got a friend to make this for us. It is a very high-quality vinyl with a special stick adhesive that "breathes" and does not allow bubbles to get trapped during application.
This 11-minute instructional video will show you how to set up and use a digital tach to check the idle speed of your diesel engine and how to use the tools in Kent's kit to adjust the idle speed on 1977 to 1985 four and five-cylinder diesels ( not 190D ).
This is a common failure item on most 1998 to 2006 models, not expensive, and something you can do yourself if you have the right tools. This 17 minute video will show you in detail how to do it yourself and what tools you will need. I have had two of these sensors fail on me personally.
On the M112 V6 and M113 V8 engines this is the most common failure item that can leave you stranded. Better to replace it with an improved new part BEFORE your engine quits cold.
Diesel idling too fast. Diesel idling too slow. Diesel shaking at idle. Transmission jerks with shifting from Park to Drive. These are some of the symptoms that might indicate your engine's idle speed is not adjusted correctly.
This is a very critical and very neglected filter located inside the fuel tank.
In this 7+ minute instructional video, you will learn how to cleanly and safely drain the fuel out of your old Benz.
This highly detailed 37-minute video instruction will show you how to do the following: Determine if your original pump needs replacing, drain the fuel out of your fuel tank, remove the old pump assembly, take it apart on the bench and install the new pump, filter, and hoses, and properly reinsta
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.
This 23-minute video will demonstrate how Kent repairs some small rust spots inside the fender wells of a W116 sedan. Disclaimer: This method of repair is not recommended for large rust holes under the car or for holes that have been caused by road salt.
Since new original style pumps are no longer made, this is the best way to finally fix your old fuel pump leaks and poor performance. This kit is designed specifically for the W108 and W109 small V8 sedans.
This is an above-average used bumper, as shown. It's not perfect. Study the pictures carefully. Chrome is clean and bright, and there is no major corrosion on the front or back, where you usually find severe aluminum corrosion.
When the motor won't move the window down you can not get to the bolts that hold the regulator to the glass. So then how can you get it out of the door! What a pain! In this xxx minute video Kent will show you what you need to do in order to get a "stuck" power window regulator out of a door.
This unit is located under the approximate middle of the car. A set screw in the arm allows you to adjust the travel of your emergency brake pedal. Often these get very rusty which makes it impossible to adjust and may even bind up and lock your emergency brake shoes.
Fuses, supplies, and video instructions (below) to restore most older fuse boxes to better than original condition.
Fuses, supplies, tools and video instructions (below) to restore most older fuse boxes to better than original condition.
Hard to find not torn or damaged in some way. These fit on the lips of the front under fender plastic splash guards. No tears or rips - rubber is still soft - good cleaning and sealing with rubber protectant needed.
Fits all 380SL and 380SLC from 1981 to 1985. This flexible fuel hose connects the outlet of the fuel filter to the metal hard fuel line going from the rear of the 380SL to the engine compartment. This hose is hard to install and hard to inspect.
Note that this video is free of charge when you purchase our 380SL rear fuel hose replacement kit ( see related products below).
PLEASE read the instructions below carefully on how you will view this video. It is NOT downloaded to your computer and viewing is NOT automatic. You must be logged in at Mercedessource.com and you MUST click on "my account".
High-quality fuel filter for your later model R107 SL. With the right tools and knowledge, you may not need to drain your fuel tank to replace this filter ( replacement should be every 30,000 miles for peak performance. Watch Kent's video below for installation tips.
These are three inexpensive parts that seem to never get replaced when they wear out. If "mechanics" miss these items. Are you losing coolant? Are you losing windshield washer fluid? Do you have unsightly oil on your right valve cover?
This is your best option if the lug bolt threads are damaged or stripped out. Good used condition. The bearings look good but I cannot guarantee them.
Hard to believe we took so long to come up with this tool. It was Gerson's genius that made it happen. The secret turned out to be the hook that keeps the tool in place while stretching out the rubber donut. Wow! What a cool tool.
Best engine oil filters for your classic R107 or C107. As seen on Cherry.
This socket is the correct size to use with our R107 Fuel Tank Screen Removal Tool ( See below:). It is a heavy-walled 27 mm black impact grade socket made in the U.S.A.
These will fit all 1976 to 1991 4.5, 3.8, 5.0 and 5.6-liter V8 engines with Bosch C.I.S fuel injection.
Do not let anyone convince you to install some super platinum, iridium or kryptonite spark plug in your SL V8. They are just not capable of handling the richer fuel mixtures associated with these older engines.
Kent takes you through the process of removing and installing the shock absorbers on your own R107. The video specifically shows the work being done on a 380SL. Other models may have slight variations but the basic principles are the same.
Socket is now black (impact grade). This is a tool that Kent first thought about making 20 years ago. While installing shock absorbers in his 380SL he had finally had enough - so it was back to the machine shop to come up with a new tool.
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.
In this video, Kent will show you how to safely and cleanly remove the fuel from the tank on your older Benz. You will need to drain the fuel anytime you replace the back end hoses, the tank filter screen, the fuel pump or the fuel filter.
Video instructions that come free of charge with the purchase of Kent's special tool to remove 107 fuel tank screens. This video will NOT be of much help if you do not purchase the tool, but it is being offered for anyone who would like to view it regardless. Total run time: