Here is an option to replace the pre-glow factory unit with a reliable manual controlled relay
What's wrong with my Mercedes?
One of the most common problems we see on older Mercedes.
Unknown battery drain, electrical shorts, blown fuses - these can be difficult to isolate!
Installing H4 headlight upgrades will make a difference between night and day
You can do it with commercial products or something in the cupboard
We share with you the factory instructions for most models from the late 1970's to late 1980's
This is a sure sign your electrical switch is going bad
Knowing what fuse does what is a must when troubleshooting electrical problems
Not as easy as it looks and easy to break if you don't know the proper tricks
Neglect is probably the No. 1 Cause of your Benz not starting
Yes, they do need service if you want them to last.
There is a quick fix as well as a more permanent repair
Kent recommends just sending it out for professional repair
Kent will show you some quick checks to test operation
Don't let anyone kid you... this is not an easy job!
It just may not be wired properly. Most likely it is NOT the antenna.
This could be caused by one or even a combination of three things.
If it is happening on a regular basis it probably is not bad glow plugs
Tired of it taking sooooo long to heat up your glow plugs
Corrosion on the contacts can cause all kinds of electrical problems
Do not assume it is just a bad battery! Diagnose first...
If you are constantly having to replace glow plugs do not immediately blame the plugs! Ream the carbon!
Burned out glow plugs, bad pre glow relay, blown fuse, wiring - all need to be tested
Some chargers won't start the charge cycle without some help
Isolate the source of the short to finally solve your problem
You have a couple options to keep the battery alive!
This is one of Kent’s favorite tools to have around the shop