What does it cost?
For If you could capture thunder, it would sound like the SL63 accelerating hard. Above the lavish kit on every SL, AMG models have bespoke steering and suspension systems and upgraded styling.
Against The running costs are as outrageous as the performance, and given how good the SL500 is, it’s hard to argue that this model represents good value for money.
What Car? says
It's the SL taken to extremes, but the price and running costs should put you off. This costs way more than our favourite, the SL500, but it's certainly not that much better a car.
What Car? readers say
3.894737
Mercedes-Benz SL Open 63 AMG 2dr full review
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Performance
Like any SL AMG engine, the engine in this model is smooth and free-revving, and there’s certainly no lack of pace. This Merc is so quick that it will keep a Ferrari on its toes to 60mph. The various AMG models have slightly different characters, though: the 63 AMG is sporty where the 65 AMG is a more refined animal.
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Ride & Handling
There’s no getting away from the firm low-speed ride on these AMG models, but things are better once the speed picks up. In ‘comfort’ mode, the ride is smooth, and ‘sport’ further hones the SL’s impressive agility and handling. The steering is fluid and well-weighted, with a direct-steer system, which sharpens responses and makes the car very composed.
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Refinement
When raised, the metal roof ensures that the cabin is a haven of peace and quiet. Engine noise is suppressed to a burble, although as this is an AMG model, it can be raucous when you want it to be. Road noise is minimal, and with the roof down, occupants can talk without shouting; with the wind-blocker and side windows up, there’s very little buffeting.
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Buying & Owning
It’s not cheap to own any SL, and the AMG models are the dearest of the lot. Running costs are very high (albeit on a par with their rivals’), and not helped by the fact that resale values on these models are not as strong as on the lesser model in the range. In fact, whatever aspect you look at – from economy to tax and insurance – running an SL is an expensive business.
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Quality & Reliability
The SL's interior is one of one of Mercedes' oldest designs, but in terms of immediate appeal and quality, it’s one of its best. The cabin demonstrates Mercedes' plushness at its finest, with beautiful materials, rock-solid controls and flawless assembly. Reliability should not be an issue.
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Safety & Security
A strong structure, the latest electronic braking, traction and safety aids, an array of airbags plus a roll-over bar (which springs into place automatically) give the SL a hugely impressive safety armoury. The absence of deadlocks is a major omission, however.
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Behind The Wheel
The SL is plush and comfortable, with well-shaped sports seats. Absolutely everything moves electrically, so you literally only have to lift a finger to adjust it. The wealth of standard equipment makes the dash look busy and will take time to master, but everything is sensibly placed. Some drivers may feel that the long bonnet and wide cabin make the car feel big on the road.
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Space & Practicality
The SL is a two-seater, but there's supplementary luggage space behind the seats and a host of hidden storage places. The clever roof allows for a decent boot, even with the top down, and the whole lid lifts up to give you access to your bags without having to raise the roof completely.
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Equipment
At these kind of prices, you expect lots of kit and the SL delivers. Nearly everything you could want is standard, including satellite navigation, climate control, leather upholstery and electrically-adjustable seats and steering wheel. The AMG models stand apart with their unique interior and exterior styling, and speed-sensitive steering.
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Our pick of the range
Mercedes-Benz SL Open 500 2dr
Here is everything that's great about the SL: fantastic looks, great performance and the Active Body Control system. This, our favourite model, is so good that there's no need to spend any more.
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