Home · 2011 Mercedes-benz S-class Phev · Complaints

What 18 owners told NHTSA about the 2011 Mercedes-benz S-class Phev

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (18)Crash / fire / injury (3)Fuel system (6)Electrical system (4)Engine (4)Suspension (2)Body & structure (1)Brakes (1)Hybrid Propulsion System (1)Speed control (1)Wheels (1)

1 of 18 complaints match · Brakes · clear filters

Jan 7, 2019Brakes

HYDRAULIC HOSE FAILED AND SPRAYED FLUID INSIDE HOOD AND ENGINE. ABC MALFUNCTION LIGHT CAME ON THEN WITHIN A FEW MINUTES CAR STOP. SMOKE AND FUMES CAUSING DIFFICULTY BREATHING AND EYE IRRITATION. COST OVER $1600.00 ON CAR HAVING ONLY 60,000 MILES. 60,000 MAINTENANCE DONE LESS THAN 1 MONTH PRIOR. ADDITIONAL DAMAGED TO TIRES AS SUSPENSION DROPPED. HAD TO HAVE IT TOWED TO DEALER.

NHTSA ODI 11164983

Working with the data? Download all 18 complaints as CSV · fetched from NHTSA July 21, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2011 Mercedes-benz S-class Phev verdict →