2003 Mercedes Benz S Class 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.

• Suspension7 owner complaints, usually around 84,500 miles

  Drive over bumps and listen for clunks or rattles. Look for uneven tire wear.

• Electrical system6 owner complaints, usually around 55,000 miles

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

• Airbags4 owner complaints

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

• Seat belts4 owner complaints

  Pull every seat belt out fully and make sure it retracts and latches.

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.

• Engine and engine coolingRecall number 07V263000, Jun 12, 2007
• Latches/locks/linkagesRecall number 04V285000, Jun 9, 2004

Service bulletins worth asking about

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

• The high pressure hydraulic distribution hose of the active body control (ABC) may deteriorate over time...Aug 31, 2004

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.