2018 Mercedes-Benz E43 AMG

Introduction

The 2018 Mercedes-Benz E43 AMG is a high-performance variant of the Mercedes-Benz E-Class. It is powered by a 3.0L twin-turbocharged V6 engine mated to a 9-speed automatic transmission and produces 396 horsepower and 384 lb-ft of torque. The E43 AMG is lauded for its blistering acceleration and composed handling, but it has also been plagued by a number of issues.

Engine

3.0L Twin-Turbocharged V6

• Valve Stem Seals Failure
  • Description/Symptoms: Leaking oil, blue smoke from exhaust, rough idle
  • Solution: Replace valve stem seals
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found
• Timing Chain Tensioner Failure
  • Description/Symptoms: Engine rattling noise, loss of power
  • Solution: Replace timing chain tensioner
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Turbocharger Wastegate Actuator Failure
  • Description/Symptoms: Loss of boost pressure, decreased performance
  • Solution: Replace turbocharger wastegate actuator
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Transmission

9G-Tronic 9-Speed Automatic

• Torque Converter Shudder
  • Description/Symptoms: Shuddering or vibration during acceleration
  • Solution: Replace torque converter
  • Estimated Cost to Fix: $1,500 - $2,500+
  • Recalls: None Found
• Mechatronic Unit Failure
  • Description/Symptoms: Transmission slipping, hard shifts, loss of drive
  • Solution: Replace mechatronic unit
  • Estimated Cost to Fix: $2,000 - $3,000+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure
  • Description/Symptoms: Loss of ride height, poor handling
  • Solution: Replace air suspension compressor
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: Battery dying prematurely
  • Solution: Diagnose and repair root cause of battery drain
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Infotainment System Glitches
  • Description/Symptoms: System freezing, display issues
  • Solution: Update software or replace infotainment system
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Exterior

• Sunroof Leak
  • Description/Symptoms: Water leaking into cabin through sunroof
  • Solution: Replace sunroof seal or adjust sunroof alignment
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Interior

• Seat Control Module Failure
  • Description/Symptoms: Seat adjustments not working properly
  • Solution: Replace seat control module
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Headliner Sagging
  • Description/Symptoms: Headliner fabric detaching from headliner board
  • Solution: Reattach or replace headliner
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Summary

The 2018 Mercedes-Benz E43 AMG is a high-performance luxury sedan that has been plagued by a number of issues. While the severity of these issues varies, some, such as engine valve stem seal failure and transmission torque converter shudder, can be expensive to repair. Owners should be aware of these potential problems and budget accordingly.