The 1981 Mercedes Benz W126 500 SEC has 231 PS / 228 bhp / 170 kW. How much does a Mercedes Benz W126 500 SEC weighs? The Mercedes Benz W126 500 SEC weighs 1610 Kg / 3549 lbs. What is the top speed of a Mercedes Benz W126 500 SEC? The Mercedes Benz W126 500 SEC top speed is 225 Km/h / 140 mph. Is Mercedes Benz W126 500 SEC All Wheel Drive (AWD The new Mercedes-Benz S560 Coupé is where the richer end of what could Kerb weight 2075kg; 0-62mph 4.6sec; Top speed but personally I'd far rather have a W126 560 SEC. Or a 560 SEL, 500 There is no adjustment for idle speed - it is controled by a small analog computer (control unit) through an idle speed air valve. You can adjust the mixture by way of a (iirc) 3mm hex wrench in the top of the fuel distributor. Marty. Mercedes Technician. Associate Degree. 57,141 satisfied customers. 1989 MBZ 560SEL Check engine light on. LED readout - 3 flashes, no other codes stored. Reset and check engine light out, comes on after …. 2019 Mercedes-Benz S 560 & S 560 4MATIC Sedan Specifications. Toggle navigation. 0-60 mph (sec) 4.6 (4MATIC: 4.5) Top Speed (mph) 130 (electronically limited) ctaylor738. No kidding. But there's no point in replacing or messing with the valve unless you have checked the voltage that the idle relay is sending to it. Should be around 3.5 volts. You slide the connector back so you can touch each pin with a probe from your meter. If you aren't getting that voltage, it's likely that the relay is the problem. Which is the main reason I'm here. I came across this gorgeous 1990 560 SEC for a great price, the reason for the great price is due to the lack of a functioning reverse gear in the transmission. (142,000 on the odometer) My first though was to rebuild the transmission with an indy mechanic, but that would run me around $2,000 from what I can tell. This Japanese-market 1989 560 SEC AMG 6.0 Wide-Body is clad in Pearl Grey Metallic over Anthracite leather and was delivered new to AMG Japan in September 1988. The car’s original powertrain was replaced by AMG in-period, and the completed car was delivered back to its first owner shortly thereafter. AMG’s work consisted of taking a stock 5 With 80 additional horsepower and twice as much torque at half the engine speed of the original engine, the 560 SEC AMG 6.0 Widebody was a beast capable of devouring the Autobahn with its top 2021 Mercedes-Benz S580 Vehicle Type: front-engine, all-wheel-drive, 5-passenger, 4-door sedan Top Gear, 30–50 mph: 2.8 sec Top Gear, 50–70 mph: 3.7 sec Top Speed (gov ltd): 129 mph Fixe5.