Question 1

Is the Mercedes-Benz S550 reliable?

Accepted Answer

The Mercedes-Benz S550 has 181 total NHTSA complaints across 8 model years. The most reliable years are 2012 (8 complaints), 2011 (9 complaints), 2013 (10 complaints). Years to avoid: 2015 (58 complaints), 2014 (36 complaints).

Question 2

What years of the Mercedes-Benz S550 should I avoid?

Accepted Answer

Avoid the 2015, 2014 Mercedes-Benz S550. The 2015 model has the most complaints (58) with the top issue being SEATS/RESTRAINTS.

Question 3

What is the best year for the Mercedes-Benz S550?

Accepted Answer

The best years for the Mercedes-Benz S550 are 2012 (8 complaints), 2011 (9 complaints), 2013 (10 complaints). These years have the fewest reported issues to NHTSA.

Year	Complaints	Top Issue	Verdict
2017	20	REAR WINDSHIELD, DRIVER SIDE WINDOW, FRONT WINDSHI...	Average
2016	18	TAKATA RECALL. I WAS DRIVING ON THE HIGHWAY ON MY ...	Above Average
2015	58	TL* THE CONTACT OWNS A 2015 MERCEDES BENZ S550. WH...	Avoid This Year
2014	36	I WAS ON A TEST DRIVE. CRUISE CONTROL WAS ON. SP...	Below Average
2013	10	I LEASED THIS CAR NEW IN 2013, SINCE 06/06/2013 TH...	Above Average
2012	8	THERE IS AN PLASTIC PLUG IN THE OIL SYSTEM THAT LE...	Excellent Reliability
2011	9	I HAVE 20 INCH WHEELS ON THE CAR AND IN THREE YEAR...	Excellent Reliability
2010	22	WHEN STEERING WHEEL IS RELEASED EVEN FOR A FEW SEC...	Average

Mercedes-Benz S550 — All Years

Mercedes-Benz S550 — NHTSA Complaints by Year

Best Years to Buy

Years to Avoid