2011 Mercedes-benz S-Class S400 Hybrid
WDDNG9FB6BA384898
Vehicle history report for the 2011 Mercedes-benz S-Class S400 Hybrid (VIN WDDNG9FB6BA384898). Silver, sedan/saloon, 3.5L 6-cyl, gasoline. 36,094 mi reported. Registered in Ca. No open recalls. Unlock full title, salvage, lien & accident history.
At a glance
Vehicle identity & specifications
What's a 2011 Mercedes-benz S-Class worth?
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What a full report checks for VIN WDDNG9FB6BA384898
A full report searches national title databases (NMVTIS) and licensed history providers for this VIN and shows whatever records are on file — not every vehicle has every record type. The decode, safety recalls and owner complaints above are always free.
Safety recalls None found
No open NHTSA recall campaigns were found for this 2011 Mercedes-Benz S-Class.
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Common problems & what to inspect
Based on 18 owner complaints filed with NHTSA for the 2011 Mercedes-benz S-Class, here are the most-reported problem areas — and exactly what to check before you buy.
💥 1 involved a crash 🔥 1 involved a fire
🔍 Check for fuel or battery warnings, hard starts and stalling. On a hybrid/EV, confirm charging and range behave normally.
🔍 Listen for knocks or ticking, check for leaks and blue/white exhaust smoke, and make sure it doesn't overheat. No check-engine light should be on.
🔍 Listen for clunks over bumps, check the car sits level, and look for uneven tire wear and worn shocks or struts.
🔍 Sniff for fuel odor, check for leaks, hard starts or stalling, and confirm the fuel gauge reads correctly.
🔍 Have a trusted mechanic inspect this system as part of a pre-purchase inspection.
🔍 Test every electrical feature: windows, locks, infotainment, charging and all lights. Watch for flickering, dead accessories or warning lights.
Pre-purchase checklist
- Match the VIN on the dash, door jamb and title — they must be identical.
- Cold-start the engine; listen for knocks and check for blue or white exhaust smoke.
- Test-drive through all gears at low and highway speed — no slipping, shudder or pulling.
- Confirm every warning light clears at startup (none should stay on).
- Check fluids — oil, coolant, transmission — for level, color and leaks.
- Look underneath for rust, fresh undercoating or signs of collision repair.
- Always get an independent pre-purchase inspection from a trusted mechanic.
Owner complaints 18
Complaints filed with NHTSA by owners of the 2011 Mercedes-benz S-Class.
SUSPENSION
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 the air suspension had collapsed. The dealer was notified of the failure and informed the contact that it was a known failure. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the f…
NHTSA ODI #11657449FUEL SYSTEM, GASOLINE
The contact owns a 2011 Mercedes-Benz S63. The contact stated that on several occasions while driving at various speeds, the contact noticed an abnormal gasoline odor. The vehicle was taken to an independent mechanic where it was diagnosed that the fuel filter flange was cracked and needed to be replaced. The vehicle was not repaired. The manufacturer was no…
NHTSA ODI #11608727FUEL/PROPULSION SYSTEM
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 a fire if an external ignition source is present. NHTSA CAMPAIGN ID Number: 12V557000
NHTSA ODI #11587642FUEL/PROPULSION SYSTEM
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 thank. Nobody wants to seat my car after I buy a gas. I realized there is a gas on my driveway under my passenger seat. When I googled it, there is a recall for MB W221 for 2011 models because of the Fuel Filter pa…
NHTSA ODI #11524808FUEL SYSTEM, GASOLINE
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 the vehicle. The contact stated that the failure reoccurred several times. The dealer was not notified of the failure. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and i…
NHTSA ODI #11467758FUEL/PROPULSION SYSTEM
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 below is a major safety concern and is similarly situated to the following NHTSA Campaign #12V557000. On March 15, 2022, I was pumping gas into my vehicle at Costco in Brookhaven, Georgia. The gas attendant …
NHTSA ODI #11457260ENGINE,HYBRID PROPULSION SYSTEM
TL* THE CONTACT OWNS A 2011 MERCEDES-BENZ S400. THE CONTACT STATED THAT THE VEHICLE FAILED TO START INTERMITTENTLY. THE HYBRID BATTERY WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED THAT THE INTERIOR LIGHTS WERE INOPERABLE. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF TAMPA (4400 N DALE MABRY HWY, TAMPA, FL 33614, (813)543-8419) TO BE DIAGNOSED. THE CONTACT …
NHTSA ODI #11404876STRUCTURE
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 DEALER AND LEARNED THAT THE BACKSEAT FLOOD HAD STANDING WATER! THIS CAUSED THE ELECTRONIC SHORTAGE. WE PAID OVER $2000 TO MAKE THE CAR RUNNING AGAIN. IT LOOKS THAT THE RAIN GOT IN THROUGH DRIVER SIDE BACK WINDOW BE…
NHTSA ODI #11360693+ 10 more complaints on record.
