2007 Mercedes-Benz E350

Introduction

The 2007 Mercedes-Benz E350 is a luxury sedan powered by a 3.5L V6 engine that produces 272 horsepower and 253 lb-ft of torque. It features a 7-speed automatic transmission. Drivers appreciate the E350’s comfortable interior, refined handling, and powerful engine. However, it has received some negative feedback regarding its reliability and high maintenance costs.

Engine

• 3.5L V6 Engine
  • Valve Stem Seal Failure
    • Description/Symptoms: Excessive oil consumption, blue smoke from the exhaust
    • Solution: Replace valve stem seals
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found
  • Intake Manifold Leak
    • Description/Symptoms: Vacuum leak, rough idle, decreased performance
    • Solution: Replace intake manifold gaskets
    • Estimated Cost to Fix: $500 - $1,000+
    • Recalls: None Found

Transmission

• 7-Speed Automatic Transmission
  • Torque Converter Failure
    • Description/Symptoms: Shuddering or slipping when shifting, delayed engagement
    • Solution: Replace torque converter
    • Estimated Cost to Fix: $2,500 - $4,000+
    • Recalls: None Found

Suspension

• Air Suspension
  • Air Compressor Failure
    • Description/Symptoms: Vehicle sagging, suspension not functioning properly
    • Solution: Replace air compressor
    • Estimated Cost to Fix: $800 - $1,500+
    • Recalls: None Found
  • Air Strut Leak
    • Description/Symptoms: Vehicle leaning to one side, loss of ride height
    • Solution: Replace air strut
    • Estimated Cost to Fix: $400 - $800+ per strut
    • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Vehicle battery drains even when not in use
  • Solution: Identify and repair electrical system fault (could be due to faulty module, wiring harness, etc.)
    • Estimated Cost to Fix: Varies depending on the cause

Exterior

• Door Lock Actuator Failure
  • Description/Symptoms: Door locks not functioning correctly (may not lock or unlock properly)
  • Solution: Replace door lock actuator
  • Estimated Cost to Fix: $300 - $500+ per door

Interior

• Navigation System Failure
  • Description/Symptoms: Navigation system not functioning correctly, screen may freeze or display errors
  • Solution: Update or replace navigation system software
    • Estimated Cost to Fix: $400 - $1,000+ depending on the issue

Summary

The 2007 Mercedes-Benz E350 has a range of issues varying in severity and cost. Common engine and transmission problems include valve stem seal failure and torque converter failure, while suspension issues may arise due to air compressor or air strut failure. Other concerns include battery drain, door lock actuator failure, and navigation system glitches. While some issues are minor, others can be quite expensive to repair, impacting the vehicle’s overall reliability and ownership cost.