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About Mercedes Benz SL450

Born from a racing legend, the Mercedes Benz SL450 continues to accelerate history into the future. Classic roadster style and 6-cylinder smoothness join with a part of turbos and two seats surrounded by luxury, technology and the sky. The two-seat Mercedes-Benz SL-Class, a retractable-hardtop convertible, is constructed mostly of aluminum and is offered with a choice of V-6 or V-8 power. The base Mercedes Benz SL450 gets a 362-horsepower, twin-turbocharged 3.0-liter V-6 engine, while the SL550 uses a 449-hp, twin-turbo 4.7-liter V-8; a handcrafted 577-hp, twin-turbo 5.5-liter V-8 powers the AMG SL63. All models have rear-wheel drive.
Now in the seventh year of its generation, the SL-Class was freshened and upgraded for 2017 with a more svelte body and new 9-speed transmission. It's unchanged for 2018, except a rearview camera is now standard on the lowest model, the SL450. The 2019 Mercedes Benz SL450 comes with features not found on many other cars. The power-retractable roof can be raised or lowered while the car is moving at up to 25 mph. When the top is up, an available panoramic glass section can automatically change from dark to transparent. An available active suspension adjusts to reduce body roll in corners and lowers automatically at high speeds. Despite the Mercedes Benz SL450 only having two doors and rear-wheel drive, its curb weight is shockingly similar to the C450's. But in the C450, the seven-speed always felt like it was a step behind. The SL450's transmission, on the other hand, knew exactly what it was doing. Mercedes says the SL450 will hit 60 mph in 4.8 seconds.

Mercedes Benz SL450 Common Problems and Maintenance Tips

The Mercedes Benz SL450 doesn't have a lot of complaints but here's a list of the few complaints reported about this vehicle by consumers and vehicle technicians.
Replacing a faulty battery is a common occurrence. A new battery has a stated capacity to supply power. This capacity is commonly referred to as the batterie's cranking amps rating. As a battery becomes older, the real amps that a battery can provide become lesser than its initial rating. When the cranking amps go under a crucial threshold, starting your vehicle will be complicated or unachievable. Typically, a vehicle's battery will have a utility lifespan of 48 to 84 months. If a load test on a battery shows a critical decline in the capacity of the battery to supply power, you should purchase a new battery instead of waiting for the old car battery to ultimately fail.
Another common scenario is a headlight bulb being blown out. All of the numerous headlight bulb types are replaced if the bulb itself has ceased working. Some bulb types, notably halogen type bulbs, will generate much less light amount as the bulb filament declines due to usage. HID and LED lighting do not lose light intensity with time and that's why they are typically only replaced if the light source has ceased working. Consult with a mechanic or local dealer for bulb replacement details.
Replacing spark plugs should follow the vehicle maintenance schedule. You can find the information provided in your vehicle's owner's manual. Vehicles have a recommended replacement at 30,000, 60,000 or 100,000 miles depending on what your vehicle calls for. There is the potential that a spark plug may stop functioning properly before scheduled service. Refraining spark plug replacement may cause complication turning on your vehicle, check engine light for a misfire code, lessen fuel economy and power or your vehicle may not pass state emission testing.
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