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M103 engine question ????

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Old 11-28-2009, 04:14 PM
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2000 e430( w210),1979 240D (w123), 1992 300e(w124), 1990 mitsubishi galant VR4
M103 engine question ????

Hello everybody
my 1990 300te with M103 powerplant I hear some knocking sound on acceleration
may on low gears is it possible that I have to change my plugs
rotor distributor cap??
Is there a distributor on for this engine so I can adjust the
timing???

Thanks
Old 11-28-2009, 07:59 PM
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300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Change the Cap,rotor and plugs

use only copper plugs no platinums.
Are you burning only premium fuel?
What kind of knock?
Old 11-28-2009, 08:35 PM
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2000 e430( w210),1979 240D (w123), 1992 300e(w124), 1990 mitsubishi galant VR4
hello
10 gal of fuel i get around 150 miles side street, i add engine oil 1qt in a month or 1.5 months

the knocking sounds like a old japanise engine that has a retard timing or negative timing from the distributoron acceleration
Old 12-15-2009, 12:28 AM
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1989 300SE, 2002 FORD Crown Vic Police Interceptor
Do you mean pinging or a mechanical knocking?

The distributor is at the front of the engine and is fixed. All advance and retart is controlled by the EZL ignitor. The timing is adjusted by a resistor plug, I don't know where it is on the W124, this is the W126 forum.
Old 12-28-2009, 08:00 AM
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w126 500sel
so the sound is mechanical in nature?

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