Some advice - Mercedes-Benz Forum
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#1 (permalink) Old 01-14-2013, 09:48 AM
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Date registered: Jan 2013
Vehicle: 1984 W126 280SE, 1992 W124 230TE, 1941 Chevy Pickup
Location: Gullane, Scotland
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Some advice


My 280SE has been a great runner and starter over the past few years and has only ever required servicing (by me) once a year. Over the festive period however I was out for a drive and when I took a sharp right hand bend (with about a 1/4 tank of fuel) the car started to cut out and 2 minutes later died. It would start and run for a few seconds but then die again.

I got my son to come along with a gallon of fuel as I suspected a fuel issue given the symptoms and with another gallon put in and a few tries starting I got it home.

I decided to change the fuel filter (something I hadn't done at the last service due to having a full tank) and although it's now starting and running quite well (did a 20 mile run at the weekend) everything isn't quite as it should be.

1. When cold it takes a bit of cranking to start and feels like it's not firing on all cylinders
2. When warmed up and running and ticking over in D the revs tend to drop and then recover every 5 seconds or so. Ticks over fine in N and starts easily when warm.

So after my long story above I wondered what order I should check things in and also what manual is best for the 6 cyl engine:

Mercedes W123 Owners Workshop Manual 1976-1986 | eBay


Mercedes 250 280 280CE W123 Series 1976-1984 Haynes Manual 0677 NEW | eBay

Thanks in advance...
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#2 (permalink) Old 01-14-2013, 10:17 AM
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Haynes is virtually useless. Any other option is better.

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1973 Mercedes 450SLC (PineGreen/MahoganyLeather)
1979 Mercedes 450SLC(MidnightBlue/PalominoLeather)
1981 Mercedes 380SL FORSALE (LtIvory/PalominoMBTex)
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#3 (permalink) Old 01-14-2013, 10:44 AM
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Date registered: Feb 2006
Vehicle: 78 450 SL, 84 500sec (Euro), 94 E320 Wagon and 85 500 SEL (Real AMG, 5.4, Pentas & Body Kit)
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I have both books

I have both of these books and would recommend the Mercedes W123 Owners Workshop Manual 1976-1986 over the Hayes manual.

I would also join the Mercedes Benz Club in the UK as they have allot of info about the cars.

The Mercedes-Benz Club

Although I am in the USA I am a member as their club magazine is so good. You also get other membership advantages including access to Online Services Manuals and EPC.

I hope that helps


78 450 SL
83 280 TE 5 speed stick with Recaros
83 500 SEC
85 500 SEL Limo
85 280 TE AMG (AMG Engine, Pentas and Full Body Kit)
85 500 SEL Real AMG - 5.4 with Solid Lifters and AMG Cams, Full body kit (Version V) and Pentas, AMG Shift Knob for Automatic transmission, AMG Steering Wheel with Leather Covering, Blaupunkt Bamberg and AMG Speaker System, AMG 300 Kmh / 190 Mph Speedo, Full Black Colour coding and Wood Door Trims
94 E320 Wagon - Parts Hauler
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#4 (permalink) Old 01-14-2013, 03:12 PM
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Date registered: Jan 2013
Vehicle: 1984 W126 280SE, 1992 W124 230TE, 1941 Chevy Pickup
Location: Gullane, Scotland
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(Thread Starter)
Thanks Both, I'll get the W123 manual and join the UK club.

If anyone has any thoughts on the symptoms I have let me know.
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  Mercedes-Benz Forum > Mercedes-Benz Sedan Forums > W126 S,SE,SEC,SEL,SD,SDL Class

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