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What 29 owners told NHTSA about the 2016 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 (29)Crash / fire / injury (1)Visibility & wipers (4)Body & structure (3)Speed control (3)Brakes (2)Engine (2)Seat belts (2)Steering (2)Tires (2)Wheels (2)Airbags (1)

4 of 29 complaints match · Visibility & wipers · clear filters

Aug 14, 2020Visibility & wipers

HEARD A LOUD BANG WHILE DRIVING DOWN THE HIGHWAY AND DIDN'T KNOW WHAT IT WAS UNTIL RETURNING HOME AND LOOKED UP AND SAW THE RIGID CRACK FROM FRONT TO THE BACK ON THE PANORAMIC GLASS. THERE ARE NO INDICATIONS OF DEBRIS HITTING THE GLASS AS THERE ARE NO CHIPS.

NHTSA ODI 11349329

Jun 18, 2020Visibility & wipers

VEHICLE'S FRONT WINDSHIELD SPONTANEOUSLY CRACKED OVERNIGHT WHILE VEHICLE AS PARKED IN A LOCKED PRIVATE GARAGE. CRACK ORIGINATES AT TOP OF WINDSHIELD FRAME WHERE BODY TORQUES THE GLASS AND CONTINUES THROUGH ADVANCED DRIVER ASSISTANCE SYSTEMS, ENDING UP IN DRIVER'S LINE-OF-SIGHT. NO VISIBLE POINT OF IMPACT ON DAMAGED AREA OF GLASS. DRIVER ASSISTANCE AND SAFETY SYSTEMS ARE AFFECTED BY THE STRESS CRACK, RENDERING THEM NON-FUNCTIONAL. DEALER INVESTIGATED AND DETERMINED THAT STRESS CRACK WAS DUE TO A DEFECT IN MANUFACTURING AND INSTALLATION OF THE GLASS, NOT DUE TO ANY IMPACT OR ROAD DEBRIS. HOWEVER, MANUFACTURER DENIED COVERAGE UNDER NEW VEHICLE WARRANTY (4YR./50,000 MI), STATING THAT GLASS DEFECTS ARE ONLY COVERED FOR 1 YR/12,000 MI. *TR

NHTSA ODI 11329575

Jun 13, 2020Visibility & wipers

PANORAMIC SUNROOF CRACKED WITH NO KNOWN CAUSE. *TR

NHTSA ODI 11328687

Feb 12, 2018Visibility & wipers

I AM REPLACING THE WINDSHIELD FOR THE 3RD TIME, SMALL STONES CREATING HUGE CRACKS, SEEMS VERY UNUSUAL FOR IT TO HAPPEN SO OFTEN.

NHTSA ODI 11072297

Working with the data? Download all 29 complaints as CSV · fetched from NHTSA July 20, 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 2016 Mercedes-benz S-class Phev verdict →