Electrical
Troubleshooting an Electrical Problem
Unknown battery drain, electrical shorts, blown fuses - these can be difficult to isolate!
What's wrong with my Mercedes?
Electrical Problems
Electrical
O.E. Aluminum Fuse Failure
One of the most common problems we see on older Mercedes.
Electrical
Power Antenna Failure
There is a quick fix as well as a more permanent repair
Electrical
Service Requirements for Power Antennas
Yes, they do need service if you want them to last.
Electrical
201 and 124 Chassis Tail Light Malfunction
It is not always the bulb or the wiring.
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
Ignition Switch Wire Plug Comes Apart Accidentally
You will need a wire schematic to figure out which wires go into which holes
Electrical
Inaccurate or Erratic Fuel Gauge
This could be caused by one or even a combination of three things.
Electrical
Best Way to Fix a Non-Working Odometer or Speedometer
Kent recommends just sending it out for professional repair
Electrical
Car Alarm Keeps Going Off
Sometimes it is just easier and less expensive to disable it
Electrical
Replacing a Badly Burned Wiring Harness
Don't let anyone kid you... this is not an easy job!
Electrical
Engine Won't Turn Over When It Sits Overnight
Do not assume it is just a bad battery! Diagnose first...
Electrical
My New Power Antenna is Not Working
It just may not be wired properly. Most likely it is NOT the antenna.
Electrical
Frequent Glow Plug Failure
If you are constantly having to replace glow plugs do not immediately blame the plugs! Ream the carbon!
Electrical
Premature Glow Plug Failure
If it is happening on a regular basis it probably is not bad glow plugs
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
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
Pulling DTCs (Diagnostic Trouble Codes) from the Check Engine Light
Using an inexpensive code reader or scan tool is not difficult
Electrical
How to Open up and Clean Old Electrical Plugs
Corrosion on the contacts can cause all kinds of electrical problems
Electrical
Charging a Totally Dead Battery
Some chargers won't start the charge cycle without some help
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
Fuse Repeatedly Burns Out?
Isolate the source of the short to finally solve your problem
Electrical
How to Connect a Battery Maintainer / Tender up to the Newer Models
That have a different style battery clamp
Electrical
Battery Staying Charged During Prolonged Vehicle Storage
You have a couple options to keep the battery alive!
Electrical
Buffing and Sanding in Tight Places
This is one of Kent’s favorite tools to have around the shop
Electrical
Mono Windshield Wiper Gear Failure
Preventative maintenance is the key to long life
Electrical
Cleaning Up Ugly Battery Post Corrosion
You can do it with commercial products or something in the cupboard
Electrical
Rear Door Power Window Failure
Do proper testing BEFORE ordering parts or removing door panel
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
Rear Door Power Window Failure
Do proper testing BEFORE ordering parts or removing door panel
Electrical
Properly Maintaining an Old Car Battery
Neglect is probably the No. 1 Cause of your Benz not starting
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