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On older Mercedes spot rust can be a hidden problem under side moulding trim, under fenders and rocker panels and inside the bottom edges of doors.

You can save a lot of money if you can rebuild your old brake calipers, especially on some older models. If you can just get the pistons out of the housings, most calipers are rebuildable, unless they have been subject to road salt or have sat exposed to the weather for years without use.

If your fuel level gauge is not reading accurately or the needle jumps around and or your car’s low fuel warning light does not comes on, it is usually a problem with the tubular sending unit in the fuel tank.

Transmission service on these older Mercedes is very often neglected and it is something you can do yourself. It should be done every 30,000 miles or every 5 years (whichever comes first). After you watch this video you will find out why you should do it yourself!

This carpet wetness is such a common problem on the W123 chassis that Kent decided to shot a short video explaining how to troubleshoot where the leak is coming from. He will point out the three potential areas for leaks and show how to use water to find the source.

If you think CIS fuel injectors can just be ignored, think again. Sure, your gas engine will continue to start and run “ok”, but you may find that it is not producing the power it once did nor the fuel mileage it once delivered.

A properly functioning and adjusted waste gate is critical to the proper operation of your early turbo charged Mercedes diesel engine.

When replacing the steering lock assembly in your Benz you will need to remove that little black plastic switch on the side of the lock from the old one and put it on the new part. You can not pry it off, squeeze it off or pull it off by hand. 

If both dash lights are not working including the lights in the upper center console the problem is most likely in the dimmer switch located on the back of the instrument cluster. This is also called the potentiometer providing variable resistance in the wiring to the bulbs.

The timing device installed in the W115, W116, W123 and early W126 with OM615, OM616, and OM617 engines from 1986 to 1985 is somewhat a mystery to many owners.

Pencil (parallel style) glow plugs usually fail slowly over time. The first signs are rough running after startup. Then you may see a flashing glow plug light on your dash. If ignored over time you engine may not start at all.

If your rear door power window is not moving or the motor is not making any noise, it could be a failed motor, rear door switch, front switch or even a wiring problem. Trying to narrow down the problem can be frustrating unless you know the proper troubleshooting sequence.

If you have a 1981 to 1985 W123 300D, 300CD, 280E, 280CE, 300TD or a 1981 to 1989 W107 380SL, 560SL, or a 1981 to 1991 W126 380SE/L 300SD 500SE/L 300SDL 420SE/L 300SE/L 560SE/L 380SEC 560SEC that has automatic climate control this video manual will apply. These c