2017 Mercedes-Benz E400 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.

• Airbags16 owner complaints, usually around 3,500 miles

  Make sure the airbag warning light turns off after start-up, and that every airbag recall was completed.

• Seats2 owner complaints

  Test every seat adjustment and heater, and the seat belt and occupant warnings.

• Body and structure1 owner complaints

  Look underneath for rust, especially on the frame and brake lines, and check that door and panel gaps are even.

• Electrical system1 owner complaints

  Test every screen, camera, power window, lock and the key fob. With the engine running, make sure no warning lights stay on.

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.

• Electrical systemRecall number 21V058000, Feb 5, 2021
• StructureRecall number 19V676000, Sep 23, 2019
• Air bagsRecall number 19V010000, Jan 9, 2019
• Exterior lightingRecall number 18V271000, Apr 27, 2018
• Air bagsRecall number 17V627000, Oct 6, 2017
• Electrical systemRecall number 17V114000, Feb 23, 2017
• Air bagsRecall number 17V080000, Feb 8, 2017
• StructureRecall number 16V831000, Nov 17, 2016

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.

• Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has extended the warranty for the...Aug 5, 2022
• Visibility/wiperOct 29, 2020
• EngineMar 13, 2019

Service bulletins worth asking about

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

• Dear Dealer Partners, The part numbers listed in the chart below should no longer be installed, and any...Oct 31, 2026
• Clanking noise from the area of the speakers in the doorsSep 14, 2026
• Tailgate opens unintentionallyAug 24, 2026
• A popup is seen on the HU with the message "data connection temporarily not available". Potentially...Aug 6, 2026
• Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop...Jun 12, 2026
• After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the...May 26, 2026

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.