From September 1987 until end of production: KAT 560: 279hp (10,0:1) / cat conv / knock sensors. RÃœF 560: 300hp (10,0:1) / no cat conv, but convertible / knock sensors. ECE 560: deleted. The most obvious differences between ECE and RÃœF/KAT are the knock sensors (only on the 1987-91 RÃœF/KAT)and the camshafts. 1986 560SEL Cold Start Problem. I purchased an 86, 560SEL with approximately 89000 miles on it from a family friend who has owned the vehicle for a number of years. It appears to be well maintained as there are no oil leaks and everything works. Well almost everything as there is a cold start issue that disappears after the first start of the day. Mar 25, 2023 - Explore zaah mabaso's board "560 Sec AMG" on Pinterest. See more ideas about mercedes sec, mercedes w126, mercedes benz. Mercedes-Benz 500 SEC Coupe 83,000 Miles Hertfordshire. £22,950 Crankshaft for Mercedes 500 SEC-SL-SLC-SEL W126 International. POA With the help of a mechanical/electronic fuel injection scheme, the 560’s engine put out 20% more power than even the Mercedes Benz 560 SEC COUPE. There was a cost to match - by the end of the ‘80s these cars cost a huge Ј63,000. The system pressure should be constant at all load conditions, hot or cold. The dampener (accumulator in MB speak) is part of the fuel pump/filter assembly. It cushions the pulsing from the pumps. It also quiets the pump (s) operation to some degree. The diaphragm in the accumulator can rupture. W126 S,SE,SEC,SEL,SD,SDL Class CONTROL. 1989 Mercedes 560 SEL # 1170702075. Save Share. Mercedes-Benz Sedan / Coupe / Wagon Forums. Mercedes-Benz w126 420se/500se/560sel and Sec aircon Compressor. Suitable for all m117 V8 engined Mercedes models. THE OLD MERC GUY is a specialist online Mercedes-Benz used spares resource for 1975 to 1995 model Mercs. Series that we specialize in are W114/5, W116, W123, W124, W126, W201, W202.All our prices include delivery to your door uZxcf.