Mercedes-Benz 420 SEC Coupe W126 Automatik. EZ 12/1989 • 161.116 km • 165 kW (224 PS) Sportwagen / Coupé • Unfallfrei • Benzin • Automatik • HU 02/2025 • 2/3 Türen. 21.950 €. Finanzierung berechnen. Ohne Bewertung. DE-30938 Burgwedel, Privatanbieter. Versicherung vergleichen. It's a 1986 420 SEL with 123,00 thousand miles. First one which is the most annoying is the hesitation which to have gotten alot worst over the coarse of 1.5years to the point where I cant drive it and or afraid to jump out in traffic. Recent things I replaced over the past two years and have barely put 11,000 miles since. 1991 420SEL transmission leak. In all of my projects on the 420SEL I also changed the transmission oil & filter. I put the forum recommend magic blue stuff in there and am at 5 liters. I have not run the engine so I don't want to put anymore in until then. The torque converter was drained overnight so it will take the full capacity before it is Atomic. You did not mention your milage. My '90 420SEL usually runs around the 20-21Mpg mark with mixed but, mostly highway driving. If you do alot of traffic sits, mid teens is probably your calculation. JC. Hi, I would like any advice on how to improve the gas mileage of my 1986 420SEL. Compared to a W123, the W126 is very much ahead in terms of quality and technology. While the build quality of the W123 is very good, rust prevention and water drainage routing aside, the W126 was built for an entirely different client base. W123's were middle-class sedans, while the W126's were built for the upper-echelons, and priced accordingly. Mercedes 420SEL 560SL 560SEL 560SEC Fuel Distributor 0438101018 EHA Regulator. 5.04 product ratings. Autotechnolog Parts (141) 96.9% positive feedback. Price: $279.00. + US $10.00 shipping. 420 SEC W126.046 09/1985 – 05/1987 160 kW (218 PS; 215 bhp) RÜF 300 N⋅m (221 lb⋅ft) RÜF 1640 8.3 seconds 218 km/h (135 mph) 3,680 06/1987 – 12/1989 170 kW (231 PS; 228 bhp) RÜF 335 N⋅m (247 lb⋅ft) RÜF 8.2 seconds 220 km/h (137 mph) 09/1985 – 08/1987 150 kW (204 PS; 201 bhp) CAT 310 N⋅m (229 lb⋅ft) CAT The module you are looking for is in the passenger side footwell. It is behind that carpeted side piece of trim that extends from the door jamb to the false firewall. The computer is black, with various Bosch logos and information printed on it (sometimes they say Jetronic on the side). It is almost a foot tall and about 6-7 inches wide, and .

mercedes benz w126 420 sec