2012 Mercedes-Benz E350 used buying checklist

Test for the problems owners report most

The most reported problems of this model year, with what to look for on the test drive.

• Gas smell in the cabin21 owner complaints, usually around 120,000 miles

  Watch for fuel smells, hard starting and the check engine light, and make sure the fuel gauge works.

• Check engine light10 owner complaints, usually around 55,400 miles

  Start the engine cold and listen for knocking or ticking. Check for warning lights, oil leaks and a low oil level, and ask how often oil had to be topped up.

• Fuel leak10 owner complaints

  Watch for fuel smells, hard starting and the check engine light, and make sure the fuel gauge works.

Make sure these recalls were done

Recall repairs are free at any dealer of the brand. Ask the seller for proof, or have a dealer check the VIN.

• Air bagsRecall number 21V638000, Aug 13, 2021
• Air bagsRecall number 19V010000, Jan 9, 2019
• Air bagsRecall number 17V627000, Oct 6, 2017
• Electrical systemRecall number 17V177000, Mar 14, 2017
• Air bagsRecall number 17V017000, Jan 10, 2017
• Fuel system, gasolineRecall number 12V557000, Dec 3, 2012
• Air bagsRecall number 12V492000, Oct 9, 2012

Repairs the maker may still cover

Warranty extensions can cover a known problem beyond the normal warranty. Check whether this car is still within the time or mileage limit.

• To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its...Jul 15, 2024
• Mercedes-Benz USA, LLC will provide an Extended Modification Warranty for each vehicle that has received...Oct 5, 2021
• Visibility/wiperOct 29, 2020

Service bulletins worth asking about

Repair instructions the maker sent to dealers for known problems. Ask whether any of these repairs were done.

• Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...Sep 22, 2026
• Vehicle with atypical reduced heat outputApr 1, 2025
• In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the...Sep 6, 2023
• Mercedes-Benz USA, LLC (“MBUSA”) is modifying the emission control system on certain diesel vehiclesApr 7, 2022
• Update engine electronics (ME-SFI) control unit softwareApr 11, 2019

Before you pay

• Decode the VIN and make sure it matches the title, the registration and the car itself.
• Get a vehicle history report to check for accidents, salvage or flood titles and odometer problems.
• Ask for service records, especially oil changes and any transmission fluid service.
• Start the car from cold, and drive it at city and highway speeds for at least 20 minutes.
• Have an independent mechanic inspect the car before you sign anything.