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In this video Kent shares his technique for removing a padded steering wheel on most 107, 114, 115, 116, 123, 126, and 201 to 1985 chassis. These are the models WITHOUT an airbag.
Groaning, snaping and jammed door check straps are a common problem on the older models (up through 1995). This is primarily due to age and lack of lubrication. Newer models will soon start having similar problems. Rain water getting inside the doors is the big killer.
Diesel engines make noise. Some ticking and rattling is normal and not something you should be concerned about. Certain loud knocking or rattling noises could be a sign that something bad is happening to the engine, especially if the noise comes on suddenly.
This is part 2 of a 4 part video series Kent has done on repairing the power tilting sunroofs on the W201 W126 and W124 chassis built from 1986 to 1995. Part 1 covers removal and replacement of the sunroof panel and headliner.
If your transmission is shifting too soon it can really rob your car of power and acceleration. If it is shifting too late it can be very loud and annoying and even affect fuel economy.
To many people, automotive electrical systems and testing are a big mystery. It is not as complicated as you might think.
The driver's side W124 under dash panel can be a little tricky to remove due to all the hidden fasteners. Without knowing where these are and how to get to them, removal can be frustrating and it is easy to break the plastic covers.
When working under a Benz having the right equipment to put the car and hold it safely up in the air is very important. Always think safety, and the type of equipment and how it is used plays the key role in keeping you safe.
You will need to remove the W126 chassis center console upper wood panel when replacing the climate control switch panel, replacing any of the upper switches, replacing burned out light bulbs and /or when remove the center console or the upper dash.
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.
In this 10 minute video class Kent shows you what you should initially look for when checking out an older Mercedes for sale. He routinely does a quick 3 to 5 minute walk around to determine if the car passes his priority three part test.
Those three areas on inspection are:
There is nothing better than a good buff and wax to bring out the shine on an old Benz. Particularly if the car has not been waxed in a couple years! The results are directly related to the amount of work you put into it.
Why would you need to remove a fuel tank? If it is heavily rusted or contaminated sometimes it is just easier to find a good used fuel tank and replace it. Trying to clean a heavily gummed up fuel tank is a real challenge.
Malfunctioning and failed power window regulators (mechanisms) are so common on older Mercedes that Kent can almost guarantee if you own one and drive it regularly you will have to fix one at some point.
In this video Kent shares his secrets on how to make the inside of an old Benz look like new again. Now granted, you must have a reasonably good car to start with. He is not going to show you how to reupholster, change seats and door panels, etc.
In this video Kent will walk you through the step-by-step procedures he uses when diagnosing and repairing an older Mercedes diesel engine that either won't start or is very difficult to start.
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??
This is a stress reduction and time-saving video. Those little airmatic fittings can be a real pain when you go to push the compressed air line into them to lock.
This only applies to Mercedessource conversion kits installed or being installed on the W116 300SD, all W123 diesels, and the 1981 to 1985 W126 300SD. In this xx-minute instructional video, Kent explains the hose routing you will have to change, the extra hoses you will have to add, and the fuel
In this 6-minute video, Kent will explain the use of each component included in his 722.6 power drain kit.
In this 24-minute video, Kent will
In this 15-minute on-demand video, Kent will explain how to use his injection pump de-gunking kits to clean out an old pump and to check the flow rate between each delivery valve. Watch the YouTube short video below to get an overview of these kits.
In this 25-minute instructional video, Kent will show you how to remove and replace the front wheel bearing on a 2007 to 2012 GL 350, GL 450, and GL 550, without removing the steering knuckle from the car. It is not easy, but doable if you have the right tools.
In this 25-minute, very detailed instructional video, Kent will show you how to use his special tool to remove the guide pins holding the top timing chain guide rails in the cylinder heads.
Kent's instructions for replacing the real seal in this style pump. Make sure your pump is all aluminum ZF pump, or this seal will not work. Total run time: 14 minutes. An 8-inch C-clamp will be required to complete the installation.
This 10-minute by Kent Bergsma will help you install an oversized filter mounted on an aluminum bracket in the engine compartment of your old 1977 to 1985 Mercedes diesel for the purpose of running vegetable oil. This video is included free with the purchase of our kit below.
In this 20-minute step-by-step instructional video, Kent will show you how to remove your early LH-Jetronic M119 fuel delivery system, overhaul it on the bench using our FID6 kit, and reinstall it back under the rear of your Benz.
These 17-minute video instructions are now included with Kent's basic and deluxe Version 3 fuel injection pressure tester. You will learn some tips and tricks on how to pressure test an M103 fuel-injected 6-cylinder engine using one of our test kits.
These 8-minute video instructions are now included with Kent's basic and deluxe Version 3 fuel injection pressure tester. You will learn some tips and tricks on how to pressure test a 1976 to 1985 fuel-injected V8 engine using one of our test kits.
These 6-minute video instructions are now included with Kent's basic and deluxe Version 3 fuel injection pressure tester.
In this 11-minute instructional video, Kent will take all the parts included in his fuel system pressure tester builder's kit and show you how to put it all together using the tool and fittings supplied in the kit. This easy DIY job can be done in approximately 15 to 20 minutes.
In the 14-minute video, Kent will show and explain his new version 3 fuel system pressure tester released in January 2025, and will demonstrate briefly how it is hooked up to the D-Jetronic, K-Jetronic, and KE-Jetronic fuel injection systems.
In this xx-minute instructional video, Kent will explain and demonstrate how to change and deal with the end fittings on the high pressure lines used on the Mercedes airmatic suspension from 2000 to 2013. Examples shown are filmed on a W220 S500.
Cleaning the throttle body on 1998 to 2013 V6 and V8 engines can yield amazing results with improved idle, power, acceleration, and fuel economy. To do it, you must remove the MAF and the intake elbow that attaches to the throttle body on the back of the intake manifold.
Why is this not regularly done? Why don't a lot of shops recommend it? The results can be dramatic with regard to engine smoothness, acceleration, and fuel economy. What about the reports it can damage the engine?
In this 5-minute demonstration video, Kent will show you how to replace the exhaust hangers on a 2010 W221 S550. This is an easy DIY job and should be done at your 100,000-mile inspection. 272273
In this 15-minute instructional video, Kent will demonstrate the use of his unique bushing press tool on a W221 S550. He calls this the "hidden bushing" as you can not see it, and it is tough to inspect its condition without dropping the control arm.
In this 14-minute instructional video, Kent will show you all the components of the engine's air injection system, how to inspect and test them individually, and how they work in concert with each other. This is definitely something you would want to add to your own 100,000 inspection.
In this 10-minute video, Kent will explain the operation of these two valves on top of the front of the engine, how to test them, and how easy it is to replace them. If you are having problems with your electric air pump wearing out prematurely, the problem may be these valves. 272273
In this short 3-minute video, Kent will show you a trick that few know about. You can get those tapered shaft ball joints ( like to find on tie rods and control rods) loose without damaging the rubber boot. It can be faster and less painful than using traditional methods.
In this short 3-minute video, Kent will share a few tips that will aid you when installing new front subframe mounts in the 1972 to 1989 R107 and the 1968 to 1976 W115 and W114. These are in addition to the PDF instructions he has written. ( see below).
In this extensive and highly detailed 32-minute video, Kent will walk you through the procedures of extracting power steering fluid out of your old tank and installing a new tank without spilling fluid all over your engine compartment.
Kent has come up with a new repair kit that will permanently fix your sagging and sloppy inside door pulls. This applies to all W123 and W126 chassis. New ones are very expensive if you can find them. Good used ones are getting harder to get.
In this 14-minute instructional video, Kent will show you how to access the MAF sensor and correctly clean it with the proper spray cleaner. This cleaner can be picked up at any auto parts store but must be specific for mass air flow sensors.
In this 11-minute instructional video, Kent will show you how to correctly remove the intake elbow ( with mass airflow sensor), install a new seal that connects to the intake manifold, and replace the entire assembly back on the engine.
This critical maintenance item should be done every 40K to 50K miles - BUY it does not get done. In this xx-minute video, Kent will show you how to properly replace both oil separators without screwing up and breaking something inside the engine.
In this 10-minute instructional video, Kent will show you the location of the thermostat on both engines, explain why they should be replaced every 40,000 to 50,000 miles, and wrap up with installation tips that should help you do it yourself.
In this 19-minute instructional video, Kent will walk you through the process of removing the drive belt, explain what you should inspect at the front of your engine, and show you how to install the parts that always seem to wear out around 100K miles.
You do not need to fear washing modern engines full of electronics with Kent's extreme detailing tips. In this 28-minute instructional video, he will walk you through the process while he cleans an M273 big V8 engine in a W221 S class sedan. You will not believe the before and after.
If you own one of these old W116, W123 or early W126 diesel Mercedes at some point this most likely will happen to you.