2016 Mercedes-Benz GLE400

The 2016 Mercedes-Benz GLE400 is a mid-size luxury SUV known for its comfortable ride, upscale interior, and a range of powerful engines. The GLE400 features a 3.0-liter twin-turbo V6 engine producing 329 horsepower and 354 lb-ft of torque. Other engine options available in the GLE lineup include a diesel engine in the GLE300d, a more powerful V6 in the GLE450 AMG, and V8 engines in the GLE550 and AMG GLE63 models. The GLE350 offered a less powerful V6 engine. Generally, owners appreciate the GLE’s luxurious feel, smooth ride, and advanced technology. Common complaints include the complexity of the infotainment system and some reported issues with reliability.

Engine

3.0L Twin-Turbo V6

• Oil Leaks
  • Description/Symptoms: Oil leaks are reported from various points on the engine, including valve cover gaskets, oil filter housing, and the front timing cover. Symptoms include visible oil drips under the car, burning oil smell, and low oil level warnings.
  • Solution: Replace the leaking gaskets and seals. For more serious leaks, resealing the timing cover might be necessary.
  • Estimated Cost to Fix: $200 - $1,500+ depending on the location and severity of the leak.
• Turbocharger Issues
  • Description/Symptoms: Some owners have reported premature turbocharger failure, resulting in a loss of power, unusual noises (whining or screeching), and potentially an engine warning light.
  • Solution: Replacement of the faulty turbocharger(s).
  • Estimated Cost to Fix: $2,000 - $4,000+ (including labor)
  • Recalls: None Found

Transmission

7G-Tronic Automatic Transmission (722.9)

• Harsh Shifting/Delayed Engagement
  • Description/Symptoms: Some owners experience rough or jerky shifting, particularly between lower gears. There can also be a noticeable delay when shifting into drive or reverse. This issue is often related to the conductor plate in the transmission.
  • Solution: Replacement of the conductor plate, valve body repair, or a complete transmission rebuild/replacement may be necessary, depending on the severity.
  • Estimated Cost to Fix: $800 - $5,000+ depending on severity and necessary repairs.
  • Recalls: None Found
• Torque Converter Issues
  • Description/Symptoms: Some owners have experienced torque converter shudder or vibration at low speeds. This can feel like a shaking or rumbling sensation.
  • Solution: Torque converter replacement.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Suspension

• Air Suspension Problems (If Equipped)
  • Description/Symptoms: If equipped with the Airmatic air suspension, some owners have reported issues with the air struts leaking or the air compressor failing. Symptoms include the vehicle sitting lower than normal, especially on one side, or the compressor running constantly.
  • Solution: Replacement of the faulty air strut(s) or air compressor.
  • Estimated Cost to Fix: $1,000 - $2,500+ per strut or compressor, including labor.
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Some owners have reported issues with the battery draining quickly, especially if the vehicle sits for several days without being driven.
  • Solution: Investigate parasitic drains (components that are drawing power when the car is off) and replace any faulty modules or components.
  • Estimated Cost to Fix: $100 - $1,000+ depending on the cause and extent of the problem.
  • Recalls: None Found
• Infotainment System Malfunctions
  • Description/Symptoms: The COMAND infotainment system can experience glitches, freezing, or complete failure. This may involve the screen, navigation, or audio functions.
  • Solution: Software updates, replacement of the COMAND unit, or repair of the wiring harness.
  • Estimated Cost to Fix: $100 - $2,000+ depending on the problem.
  • Recalls: None Found

Exterior

• Sunroof Issues
  • Description/Symptoms: Some owners have reported problems with the sunroof mechanism, including difficulty opening or closing, unusual noises, or leaks.
  • Solution: Repair or replacement of the sunroof motor, tracks, or seals.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found

Interior

• Dashboard Delamination
  • Description/Symptoms: In some vehicles, the dashboard material may begin to separate or peel, particularly in areas exposed to direct sunlight.
  • Solution: Dashboard replacement.
  • Estimated Cost to Fix: $1,500 - $3,000+ (depending on labor costs and dashboard availability)
  • Recalls: None Found

Summary

The 2016 Mercedes-Benz GLE400, while generally a luxurious and well-regarded vehicle, can experience a range of issues. The most concerning problems tend to be related to engine oil leaks, turbocharger failures, transmission problems (especially with the 7G-Tronic), and air suspension malfunctions (if equipped). Electrical issues like battery drain and infotainment glitches are also common. While some repairs are relatively inexpensive, others, such as turbocharger replacement or air suspension repairs, can be quite costly. Potential buyers should carefully inspect the vehicle’s maintenance history and consider a pre-purchase inspection by a qualified mechanic to identify any potential problems before making a purchase. The cost of these issues can vary greatly depending on the severity and location of repair, but some can easily exceed a few thousand dollars.