2011 Model Year

Mercedes-Benz S-Class

NHTSA Complaints & Reliability Data

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Complaints
18
Recalls
0
Crashes
1
Severe
3

Recent Complaints

Latest owner reports

Suspension
Apr 2025

The contact's daughter owns a 2011 Mercedes-Benz S550. The contact stated that while the vehicle was parked in the garage, the contact noticed that th...

Fuel System
Aug 2024

The contact owns a 2011 Mercedes-Benz S63. The contact stated that on several occasions while driving at various speeds, the contact noticed an abnorm...

FUEL/PROPULSION SYSTEM
Aug 2024

My driver side Rear seat underneath is leaking gasoline. FUEL SYSTEM, GASOLINE If the fuel filter flange cracks, it will leak fuel which may lead to...

FUEL/PROPULSION SYSTEM
Jan 2023

I bought a 2011 MB S400 last year. Everything was good till 3 months ago. I smelled a very bad gas leak one day and it gets worse after I fuel my than...

Fuel System
Jun 2022

The contact owns a 2011 Mercedes-Benz S63. The contact stated that upon refueling the vehicle, he smelled a strong gasoline odor inside and outside th...

FUEL/PROPULSION SYSTEM
Mar 2022

I am filing a complaint with your agency regarding a fuel pump malfunction with my 2011 Mercedes S550 (VIN# [XXX]), because I feel that the incident b...

ENGINE,HYBRID PROPULSION SYSTEM
Mar 2021

TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S400. THE CONTACT STATED THAT THE VEHICLE FAILED TO START INTERMITTENTLY. THE HYBRID BATTERY WARNING LIGHT W...

Structure
Sep 2020

IABOUT 2 MONTHS AGO, I WAS UNABLE TO START MY CAR. IT HAD A WARNING MESSAGE 'SERVICES REQUIRED. DO NOT SHIFT THE GEAR'. WE TOWED OUR CAR TO THE DEALE...

SERVICE BRAKES, HYDRAULIC
Jul 2019

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 CAU...

ELECTRICAL SYSTEM,ENGINE
Nov 2018

TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S400. THE CONTACT NOTICED A FLASHING INDICATOR ON THE INSTRUMENT PANEL RELATED TO THE VEHICLE OVERHEATING. A...

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Vehicle Safety Research Team

Automotive Data Analysts

Independent researchers analyzing NHTSA data to help consumers make informed vehicle decisions.

Data updated: March 5, 2026

Summary

The 2011 Mercedes-Benz S-Class has 18 complaints and 0 recalls on record. The most commonly reported issue is FUEL/PROPULSION SYSTEM. 1 crash-related incidents have been reported.

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