2017 Mercedes-Benz S400L
Introduction
The 2017 Mercedes-Benz S400L is a luxury sedan powered by a 3.0L V6 biturbo engine paired with a 9G-TRONIC PLUS automatic transmission. It delivers 329 horsepower and 354 lb-ft of torque, offering a smooth and responsive driving experience. The S400L is praised for its spacious interior, cutting-edge technology, and refined handling. However, like any vehicle, it has encountered some issues as well.
Engine
3.0L V6 Biturbo
Engine Oil Leaks Description/Symptoms: Leaks from the valve cover gaskets or oil pan gasket can occur, resulting in low oil levels and potential engine damage. Solution: Replace worn or damaged gaskets. Estimated Cost to Fix: $500 - $1,000+
Intake Manifold Valve Issues Description/Symptoms: Faulty intake manifold valves can cause reduced engine performance, rough idling, and check engine light illumination. Solution: Replacing the intake manifold valves or repairing the intake manifold. Estimated Cost to Fix: $1,000 - $2,000+
Transmission
9G-TRONIC PLUS Automatic
Shifting Issues Description/Symptoms: Hard shifting, delayed shifting, or slipping gears can occur due to worn clutches or faulty valve body. Solution: Repairing or replacing the transmission components (possibly the valve body). Estimated Cost to Fix: $2,000 - $4,000+
Suspension
Air Suspension Malfunctions Description/Symptoms: Reduced ride height, uneven ride, or loss of suspension function due to faulty air struts or compressor. Solution: Replacing or repairing the air struts or air suspension compressor. Estimated Cost to Fix: $1,500 - $3,000+
Electrical
Battery Drain Description/Symptoms: Excessive battery drain can be caused by faulty modules or parasitic draw from electrical components. Solution: Diagnosing and repairing the source of the battery drain. Estimated Cost to Fix: $500 - $1,500+
Electrical System Issues Description/Symptoms: Malfunctioning sensors, faulty wiring, or software glitches can lead to various electrical system issues such as dashboard warning light illumination, component failures, or communication errors. Solution: Diagnosing and repairing the faulty components or updating software. Estimated Cost to Fix: Varies depending on the specific issue
Exterior
Door Handle Corrosion Description/Symptoms: Premature corrosion of the door handles can lead to sticking or malfunctioning handles. Solution: Replacing the affected door handles. Estimated Cost to Fix: $500 - $1,000+ per handle
Interior
Headliner Sagging Description/Symptoms: The headliner material can sag or detach from the ceiling due to excessive heat or adhesive failure. Solution: Replacing the entire headliner or repairing the adhesive. Estimated Cost to Fix: $1,000 - $2,000+
Climate Control Issues Description/Symptoms: Malfunctioning HVAC system can result in improper air temperature, fan speed, or airflow issues. Solution: Diagnosing and repairing the faulty components such as actuators, sensors, or control modules. Estimated Cost to Fix: $500 - $2,000+
Summary
The 2017 Mercedes-Benz S400L is a well-rounded luxury sedan with impressive performance and features. However, it has some common issues to watch out for, including engine oil leaks, transmission shifting issues, and electrical system malfunctions. While the severity of these issues can vary, they can be costly to repair. It is important for owners to stay up-to-date with maintenance and repairs to ensure optimal performance and minimize potential issues.