Performance and Design: Taken from the Automotive Performance, Execution and Layout (APEAL) study, this measure is based on owner satisfaction with vehicle Performance, Style, Features and Instrument Panel, and Comfort.
Quality: Taken from the Initial Quality Study (IQS), which looks at owner-reported problems in the first 90 days of new-vehicle ownership, this score is based on problems that have caused a complete breakdown or malfunction, or where controls or features may work as designed, but are difficult to use or understand.
Dependability: Taken from the Vehicle Dependability Study (VDS), which looks at owner-reported problems in the first 3 years of new-vehicle ownership, this score is based on problems that have caused a complete breakdown or malfunction of any component, feature, or item (i.e., components that stop working or trim pieces that break or come loose).




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A tank as always

Great, just great.

M

Geeezze Zeus almighty! Crazy result for first few years production run. The predicted reliability is just that, and they probably only base it on the W220.

daymn..this is what the s class should always be about
im glad that it is now what its supposed to be..
a freakin moster of a car

Ithe S-Klasse.

Great, S-class is ment for this. May S rules its kingdom always..

Oh yeah, as you used to say, bow down and stay down..

Predict the reliability of the W221, based on the W220's hopeless reliability record, is utterly, utterly ridiculous. The W220 didn't feel opulent and sumptuous as an S-Class should feel; It was Daimler-Chrysler's timid response, to those who criticized the W140 for being too much of a good thing.

So while the W220 brought many technological innovations and it was easier to park than its predecessor, the car didn't work exactly... how should I put this... err... properly like the W140 did.

An S-Class in an unreliable car list? Wait! What?! An S-Class in the list of the "best" problem money can buy?! A car that always represented the pinnacle of excellence in automotive quality?! Oh dear...

Plainly, then, Mercedes-Benz knew they HAD to get the W221 right in every single detail the W220 had failed and I'm delighted to report, they succeeded!

^ The FL W220 is a tank dude much improved over the pre-FL and the quality was top.