O.k. guy's just a quick one. The lights on the dash + warning and headlights have started flickering ever so slightly, but not all the time has anyone got any ideas on this ?

560sel 1990

1. check ground cable from battery.
2. check fuses/ relays at fuse box.(this is always on my electrical list after several embarassments; although unlikely your problem).
3. check regulator brushes at alternator.

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The Golden Rule

1984 300SD (bought new, sold it in 1988, bought it back 13 yrs. later)

I second what jbaj007 said.

Voltage regulators can be had for as little as $25 in the US. If you haven't replaced it or the alternator in a long time, it's probably worth the gamble. At least carry a spare with you until you sort out the problem. Very easy to replace with a screwdriver and access to the alternator from below.

Also a good idea to replace all the fuses if you haven't done so in the last 10 years.

Sixto
91 300SE
87 300SDL
83 300SD

Thanks for your suggestions will get to it as soon as i can , will inform you on how i get on