Electrical
Diesel Engine Glow Plug Timer Relay Failure - Options for Repair
Here is an option to replace the pre-glow factory unit with a reliable manual controlled relay
What's wrong with my Mercedes?
Electrical Problems
Electrical
Troubleshooting an Electrical Problem
Unknown battery drain, electrical shorts, blown fuses - these can be difficult to isolate!
Electrical
O.E. Aluminum Fuse Failure
One of the most common problems we see on older Mercedes.
Electrical
Weak U.S. Round or Square Headlights on 1985 and Older Models
Installing H4 headlight upgrades will make a difference between night and day
Electrical
126 Chassis Sedan Window Glass not Moving Up and Down
Common to all 126 sedans 1981 to 1991 - you hear the motor mechanism running but glass is not moving or it's binding
Electrical
Buffing and Sanding in Tight Places
This is one of Kent’s favorite tools to have around the shop
Electrical
Premature Glow Plug Failure
If it is happening on a regular basis it probably is not bad glow plugs
Electrical
Cleaning Up Ugly Battery Post Corrosion
You can do it with commercial products or something in the cupboard
Electrical
Removing a Tumbler from a Steering Lock if the Key Won't Turn
It is possible to do this but you have to cut the black cap off first.
Electrical
Rear Door Power Window Failure
Do proper testing BEFORE ordering parts or removing door panel
Electrical
How to Open up and Clean Old Electrical Plugs
Corrosion on the contacts can cause all kinds of electrical problems
Electrical
Mercedes W124 Owners - Learn How to Get to Terminal Block X30 to Troubleshoot Electrical Problems
Electrical
Rear Door Power Window Failure
Do proper testing BEFORE ordering parts or removing door panel
Electrical
New Tumbler Installed and Key is Stuck - HELP!
We are getting too many emails like this usually after parts are bought somewhere else
Electrical
My Case For the AGM Battery
Electrical
Inaccurate or Erratic Fuel Gauge
This could be caused by one or even a combination of three things.
Electrical
Key Not Springing Back From the Start Position
This is a sure sign your electrical switch is going bad
Electrical
How to Connect a Battery Maintainer / Tender up to the Newer Models
That have a different style battery clamp
Electrical
Car Alarm Keeps Going Off
Sometimes it is just easier and less expensive to disable it
Electrical
Removing the Buzzer Switch From an Ignition Lock Assembly
Not as easy as it looks and easy to break if you don't know the proper tricks
Electrical
How Can I Save My Expensive Dead Battery?
It is possible to save a Big $200 AGM battery with the right know-how!
Electrical
OM 636 Diesel Engine Slow Starts
Tired of it taking sooooo long to heat up your glow plugs
Electrical
Fixing or Replacing a Broken Hirschmann Power Antenna
Originals are hard to fix and not available new - Universal new antenna may be best option
Electrical
Removing a W123 Fuse Box Cover
Talk about a Chinese jig saw puzzle. Kent can show you the trick
Electrical
Service Requirements for Power Antennas
Yes, they do need service if you want them to last.
Electrical
How Do I Repair My Hirschmann Antenna?
And What Parts Do I Need?
Electrical
Battery Staying Charged During Prolonged Vehicle Storage
You have a couple options to keep the battery alive!
Electrical
Removing a W123 Diesel Big Battery
Can it really be all that difficult?
Electrical
What Could Go Wrong When Changing an Ignition Switch or Steering Lock??
If the wiring plug falls apart on you, you won't know what coded wires go where!!!
Electrical
Mono Windshield Wiper Gear Failure
Preventative maintenance is the key to long life
Electrical
Engine Won't Turn Over When It Sits Overnight
Do not assume it is just a bad battery! Diagnose first...
Electrical
Ignition Switch Wire Plug Comes Apart Accidentally
You will need a wire schematic to figure out which wires go into which holes
Electrical
Frequent Glow Plug Failure
If you are constantly having to replace glow plugs do not immediately blame the plugs! Ream the carbon!
Electrical
Tachometer Not Working in 1978 to 1984 Mercedes with OM 617 Turbo Diesel Engine
In his YouTube video Kent covers the most common problem areas
Electrical
Knowing How to Use the Cruise Control Lever on Older Mercedes
We share with you the factory instructions for most models from the late 1970's to late 1980's
Electrical
Testing Diesel Engine Glow Plugs for Proper Operation
Burned out glow plugs, bad pre glow relay, blown fuse, wiring - all need to be tested
Electrical
Best Way to Fix a Non-Working Odometer or Speedometer
Kent recommends just sending it out for professional repair
Electrical
Can I Get Some Tips on Alternator Voltage Regulator Replacement?
For The 1998 to 2006 Years?
Electrical
Lost 116 and 123 Fuse Box Location Chart
Knowing what fuse does what is a must when troubleshooting electrical problems
Electrical
Car won't start due to a dead or drained battery?
Part 2: Best Charger and solutions for Battery drain
Electrical
Problems with Glow override Solenoid Relay Installation - How to Test
Kent will show you some quick checks to test operation
Electrical
Properly Maintaining an Old Car Battery
Neglect is probably the No. 1 Cause of your Benz not starting
Electrical
Pulling DTCs (Diagnostic Trouble Codes) from the Check Engine Light
Using an inexpensive code reader or scan tool is not difficult
Electrical
Replacing a Badly Burned Wiring Harness
Don't let anyone kid you... this is not an easy job!
Electrical
Can You Start an Older Mercedes without a Key?
Maybe with some "Magic"
Electrical
Power Antenna Failure
There is a quick fix as well as a more permanent repair
Electrical
Charging a Totally Dead Battery
Some chargers won't start the charge cycle without some help
Electrical
My New Power Antenna is Not Working
It just may not be wired properly. Most likely it is NOT the antenna.
Electrical
What Might be Wrong With my Early W220 Engine Fan?
No Need to Spend Big $$$
Electrical
201 and 124 Chassis Tail Light Malfunction
It is not always the bulb or the wiring.
Electrical
Fuse Repeatedly Burns Out?
Isolate the source of the short to finally solve your problem
Electrical
Best Battery for Your Mercedes Benz
Technology is constantly changing and Kent now recommends exact fit AGM batteries
Electrical
Can You Start an Older Mercedes without a Key?
Maybe With Some Kent Magic?