2015 Mercedes-Benz GLK350 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.

• Airbags84 owner complaints, usually around 48,000 miles

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

• Driver assistance and stability7 owner complaints

  Try the driver-assistance features on the road and watch for false alerts or sudden braking.

• Electrical system7 owner complaints

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

• Fuel and propulsion system6 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.

• CommunicationRecall number 19V787000, Nov 1, 2019
• Air bagsRecall number 19V010000, Jan 9, 2019
• Air bagsRecall number 17V627000, Oct 6, 2017
• SteeringRecall number 17V252000, Apr 12, 2017

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 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.

• Commissioning not possible after replacement of TRANSMISSION 722.9 or of electrohydraulic controller unit...Jul 16, 2025
• During a phone call, the called party has difficulty understanding/cannot understand the driver, or...Mar 5, 2025
• Electrical system: softwareJan 7, 2021
• Reversing camera nonfunctional on vehicles with code 805 YoM 14/1 (MY15)Oct 25, 2017
• Mobile phone cotacts are not transferred completely.Aug 5, 2013
• Metadata loss- Please reimport all media data".Aug 5, 2013

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.