Tagged: Oil Pressure

More M103 low oil pressure troubleshooting 2

More M103 low oil pressure troubleshooting

As a recap, my 1986 300SE started showing low oil pressure.   I tried changing the oil and filter, replaced the sender and checked with a mechanical gauge.  Still low oil pressure.   I decided to do some final oil pressure troubleshooting before I took it into a mechanic to lift the engine and remove the sump. I was advised on the ozBenz forum that another...

Testing M103 Oil pressure with a mechanical oil pressure gauge 0

Testing M103 Oil pressure with a mechanical oil pressure gauge

In my last update, I had ruled out the sender unit when it came to the low oil pressure readings on my 300SE.   My intention had been to take the car to a mechanic to test it on a mechanical oil pressure gauge.   Two things changed that.    Firstly, my area of Sydney went into lock down.   Secondly, most mechanics are on holidays until...

M103 Oil pressure sender 2

M103 Oil pressure sender

A few weeks ago my 300SE started to show low oil pressure on the gauge.  It happened all of a sudden while on a drive.   At the time, I surmised that I had a dead M103 Oil pressure sender.   They are apparently a common fault.   I ordered a new one and fitted it today. The M103 oil pressure sender can be found on the...

300SE low oil pressure gauge 5

300SE low oil pressure gauge

Today I took my 300SE on a Mercedes Club Pop up drive.   The Pop up drives are short notice mid-week drives.  I normally take the other cars to club events, but the 300SE had not been on a decent run for a while and the weather was terrible.   The drive was down through the Royal National park to Mt Kembla, Mt Kiera and then...

Classic Jalopy