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2018 Mercedes-Benz S-Class Overview, Reviews, Ratings & Specs

Rating: 4.77
Based on 13 Owner Reviews β–Ά
Jovan | March 31, 2025
The Mercedes-Benz S-Class, a flagship luxury sedan, has long been synonymous with automotive excellence. The 2018 model year represents the sixth generation (W222), offered as a sedan, coupe, and convertible. Key trims included the S450, S560, and AMG S63. New, the S-Class had a pricing range starting around $90,000 and extending well above $150,000 depending on options and trim. Its advanced technology, opulent interior, and smooth ride make it perennially popular with discerning buyers.
The Good

The 2018 S-Class delivers exceptional performance and unparalleled comfort. Its sophisticated design appeals to emotional buyers, while its advanced technology and relatively good fuel efficiency for its class resonate with practical considerations. Though not the most reliable, the prestige and driving experience offer substantial value for many.

The Bad

The 2018 S-Class, despite its luxury status, can suffer from electrical issues, air suspension problems, and complex system malfunctions. High repair costs and potentially pricey replacement parts are concerns. Prospective buyers should thoroughly inspect the car's electronics and air suspension system before purchasing. Be aware of potential issues with the COMAND infotainment system.

2018 Mercedes-Benz S-Class: Quick Overview

Here's a summary of the 2018 Mercedes-Benz S-Class key specifications:

  • Engine Options:
    • S450: 3.0L V6 Biturbo
    • S560: 4.0L V8 Biturbo
    • AMG S63: 4.0L V8 Biturbo
    • AMG S65: 6.0L V12 Biturbo
  • Horsepower:
    • S450: 362 hp
    • S560: 463 hp
    • AMG S63: 603 hp
    • AMG S65: 621 hp
  • Fuel Economy (EPA Estimated): Varies depending on engine and drivetrain. Generally, expect around 19 mpg city / 28 mpg highway for the S450, decreasing with larger engines.
  • 0-60 Times:
    • S450: Around 5.1 seconds
    • S560: Around 4.5 seconds
    • AMG S63: Around 3.4 seconds
    • AMG S65: Around 4.0 seconds
  • Towing Capacity: The S-Class is not generally used for towing, and no official towing capacity is listed.
  • Trim-Level Features:
    • S450: Leather upholstery, panoramic sunroof, COMAND infotainment system with dual 12.3-inch displays, navigation, Apple CarPlay, Android Auto, advanced driver-assistance systems.
    • S560: Adds features like massaging front seats, upgraded leather, and more luxurious interior appointments.
    • AMG S63: Performance-oriented features, including AMG-tuned engine, suspension, and brakes, sport seats, and aggressive styling.
    • AMG S65: Top-of-the-line performance and luxury, featuring the V12 engine, exclusive interior trim, and all available options.

2018 Mercedes-Benz S-Class Specifications

Vehicle Information
Year 2018
Make Mercedes-Benz
Model S-Class
Trim -
Style -
Type Sedan
Category Large Car
Manufacturing Details
Made In Germany
Manufacturing City SINDELFINGEN
Dimensions
Doors 4-Door
Curb Weight -
Gross Vehicle Weight Rating 6000 pounds
Overall Height 58.70 inches
Overall Length 214.70 inches
Overall Width -
Wheelbase Length 132.50 inches
Standard Seating 5
Engine & Performance
Engine 4.7-L V-8 DOHC 32V
Engine Size 4.7L
Engine Cylinders 8
Transmission 7-Speed Automatic
Transmission Type Automatic
Transmission Speeds 7-Speed
Drivetrain All-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $168,600
Invoice Price $156,798
Delivery Charges $995

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What Problems Does the 2018 Mercedes-Benz S-Class Have?

The 2018 Mercedes-Benz S-Class, while offering a luxurious experience, has some frequently reported problems. Electrical issues are common, ranging from glitches in the COMAND infotainment system to problems with the numerous sensors and control modules. Air suspension malfunctions, leading to ride height problems and expensive repairs, are also frequently cited. Some owners have reported issues with the engine, including oil leaks and premature wear.
Recalls for the 2018 S-Class have included issues related to the fuel pump, potentially causing engine stalling, and problems with the emergency call system. These recalls should be verified by checking the NHTSA website with the vehicle's VIN.
Long-term reliability can be a concern, particularly as the car ages. The complexity of the S-Class means that there are many potential points of failure. The air suspension, in particular, is a known weak point, and repairs can be costly. Regularly scheduled maintenance, following the manufacturer's recommendations, is crucial to mitigating these issues. Pre-purchase inspections by qualified Mercedes-Benz mechanics are highly recommended.

How long will the 2018 Mercedes-Benz S-Class last?

With proper maintenance, a 2018 Mercedes-Benz S-Class can realistically provide 150,000 to 200,000 miles or 10-15 years of service. However, consistent and diligent maintenance is key. The air suspension system tends to be a long-term weakness, often requiring replacement or significant repair around the 8-10 year mark. Electrical gremlins can also become more prevalent over time as wiring and connectors age. Regular fluid changes, timely replacement of wear items, and addressing issues promptly are crucial for maximizing longevity. Neglecting maintenance will significantly shorten the vehicle's lifespan.

What Technology & Safety Features are Included?

The 2018 Mercedes-Benz S-Class boasts cutting-edge technology. Standard features include the COMAND infotainment system with dual 12.3-inch displays, navigation, Apple CarPlay, and Android Auto. Entertainment options include a premium Burmester surround-sound system.
Driver-assistance features are abundant, including adaptive cruise control, lane-keeping assist, blind-spot monitoring, automatic emergency braking, and a surround-view camera system. These features enhance safety and convenience.
Optional features included massaging seats, a head-up display, and night vision assist. The "Magic Body Control" suspension system, which scans the road ahead and adjusts the suspension accordingly, was also available.
Safety features are comprehensive, including multiple airbags, electronic stability control, and anti-lock brakes. While specific 2018 S-Class crash-test ratings from the IIHS and NHTSA may vary depending on the model year's testing schedule, the S-Class generally performs well in crash tests, reflecting its commitment to safety. Check official IIHS and NHTSA websites for the most accurate and up-to-date safety ratings.

What Colors Options are Available?

Exterior Colors
Black
Obsidian Black Metallic
Iridium Silver Metallic
Selenite Grey Metallic
designo Diamond White Metallic
designo Mocha Brown Metallic
Anthracite Blue Metallic
Ruby Black Metallic
Emerald Green Metallic
Magnetite Black Metallic
Lunar Blue Metallic
designo Mystic Red Metallic
Interior Colors
Black Nappa Leather
Silk Beige/Espresso Brown Nappa Leather
Porcelain/Black Nappa Leather
Nut Brown/Black Nappa Leather
Crystal Grey/Black Nappa Leather
designo Porcelain/Black Exclusive Nappa Leather
designo Black Exclusive Nappa Leather
designo Saddle Brown/Black Exclusive Nappa Leather

2018 Mercedes-Benz S-Class Prices and Market Value

When new, the 2018 Mercedes-Benz S-Class ranged from approximately $90,000 to over $150,000, depending on trim and options. Current used market prices typically range from $35,000 to $65,000, though this can fluctuate based on mileage, condition, and specific features. The S-Class experiences significant depreciation, typical for luxury vehicles. Factors affecting resale value include mileage, condition, service history, and the presence of desirable options. Models with lower mileage, a clean title, and complete service records command higher prices. AMG variants tend to hold their value better than base models.

2018 Mercedes-Benz S-Class Cost of Ownership

The 2018 Mercedes-Benz S-Class is undoubtedly costly to own. Insurance premiums are high due to the vehicle's value and repair costs. Fuel consumption is reasonable for its class, but still significant. Maintenance and repair costs are substantial, especially for complex systems like the air suspension and electronics. Long-term ownership requires a dedicated budget for potential repairs. This is not an economical vehicle; it's a luxury purchase with commensurate ownership expenses.

2018 Mercedes-Benz S-Class Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 20.7 gallons
City Mileage 16 miles/gallon
Highway Mileage 25 miles/gallon

2018 Mercedes-Benz S-Class Safety Rating

NHTSA
Overall Rating Not Tested
Overall Frontal Star Rating Not Tested
Side Overall Star Rating Not Tested
Overall Rollover Star Rating Not Tested
Combined Front Seat Rating Not Tested
Combined Rear Seat Rating Not Tested
Overall Frontal Star Rating Not Tested
Frontal Barrier Star Ratings Not Tested
Overall Side Star Rating Not Tested
Side Barrier Star Ratings Not Tested
Side Pole Star Rating Not Tested
Combined Side Barrier And Side Pole Star Ratings Not Tested
Rollover Resistance Star Rating Not Tested

2018 Mercedes-Benz S-Class Warranty

Basic
Original warranty 48 months / 50,000 miles
Estimated remaining Expired
Powertrain
Original warranty 48 months / 50,000 miles
Estimated remaining Expired
Rust
Original warranty 48 months / 50,000 miles
Estimated remaining Expired

2018 Mercedes-Benz S-Class Insurance

Insurance for a 2018 Mercedes-Benz S-Class is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2018 Mercedes-Benz S-Class Compare to Other Sedan?

The 2018 Mercedes-Benz S-Class competes with the BMW 7 Series, Audi A8, and Lexus LS. In terms of performance, the S-Class, particularly AMG models, offers exhilarating acceleration. Feature-wise, it's generally on par with its rivals, offering similar levels of luxury and technology. However, the S-Class lags behind the Lexus LS in reliability, a significant consideration for some buyers. Price-wise, the S-Class is generally competitive, though options can quickly inflate the price.
Alternatives to consider include: the BMW 7 Series, offering a sportier driving experience; the Audi A8, known for its technology and modern interior; and the Lexus LS, praised for its exceptional reliability and smooth ride. The Porsche Panamera offers a sportier, albeit less spacious, alternative. Whether an alternative is "better" depends on individual priorities. For reliability, the Lexus LS is superior. For a sportier driving experience, the BMW 7 Series or Porsche Panamera are worth considering. For technological innovation, the Audi A8 is a strong contender.

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Final Verdict: Is the 2018 Mercedes-Benz S-Class a Good Sedan?

The 2018 Mercedes-Benz S-Class is ideal for buyers seeking ultimate luxury, advanced technology, and a prestigious brand image. It's worth buying used if thoroughly inspected and properly maintained, and if potential repair costs are factored into the budget. An S560 offers a good balance of power and luxury. Buying new is an option, but depreciation is substantial. Consider an S-Class if comfort, technology, and a luxurious driving experience are paramount, but be prepared for potentially high ownership costs. If reliability is a primary concern, alternatives like the Lexus LS should be considered. A pre-purchase inspection by a qualified Mercedes-Benz mechanic is essential.

2018 Mercedes-Benz S-Class Owner Reviews

4.77
Consumer Rating, Based on 13 Consumer Reviews
Overall rating
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Frank on August 24, 2023

Long time owner

Car is very reliable and have driven it on long trips. in the last few years mostly local driving. Its and expensive car and you really purchase It for its contort and safety. Service has been pretty good i have owned six Mercedes over the years

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AmiaIsabella on June 14, 2021

The Best or nothing

This would be my second S class I had an E class before and the S class hands-down is the best there is nothing like it extremely classy stylish driving it is super comfortable it’s like floating on air I absolutely love this car extremely Luxury

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Mb????? on January 30, 2020

Real happiness will be result of service as well a

Beautiful design more than adequate performance. Comfortable some systems and adjustments or settings are not intuitive and complex to get to. Drivers door lock or both doors opening

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How on December 3, 2019

Worst Car I ever owned

Leased a 2018 S560.. problem with the car in the first 3 months... Mercedes Benz Corp did a problem buy-back... however, I lost about $5000 worth of extended warranty and service contracts since the buy back won't credit those....

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Sam hong on July 15, 2019

The most reliable car

This car met all of need, so I fully recommend my friens especially I satisfied my dealer , flerchers benz, Thank you for your sincerely efforts.

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5hon on December 13, 2018

The Most lovely and comforts car.

This lovely car has all functions I need. It is so comfortable, I really enjoyed the hot or warm massages and feel safe to drive with the driver assistance.

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Mr. B on July 22, 2018

A dream to drive.

You cannot buy a more exciting, technologically advanced car than my S 450 4matic! (Unless you buy the more luxurious S 560!) Fun to drive, fabulous ride, super safety features, extremely comfortable for both driver and passenger, roomy, great gas mileage, outstanding styling - all Check!

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Jack on May 13, 2018

undoubtedly the finest car I've ever owned

My last 5 cars have been high end vehicles. 4 Lexus LS class and 1-BMW 640 I X convertible. I still have and love the BMW. I have discovered there is no comparison between the Lexus and the Mercedes Benz. The Benz out classed the Lexus in every way, and it's very different from the BMW. This is my first Mercedes Benz and I think I waited for the right time to buy. My S 560 is an unbelievable automobile. The comfort in the ride is definitely comparable to the Rolls Royce I rode in many times. That same smooth ride over bumps and potholes. The performance is unbelievably fast for a big car. The interior is in a class of it's own. The seats are ultra comfortable. We purchased many options so we have the messaging seats and that package does so much more. Soothing sound and aromas. Great on a long trip. The leather is top shelf and the wood trim is absolutely beautiful. Even the steering wheel is super comfortable. Then we have one of my favorite and helpful options. Our car actually drives itself. Allow me to qualify that statement: If I decide I want to take a break from steering my car and lets say, take a drink of my beverage or rest my hands I simply use the cruise control option and throw another switch and the display, in my "Heads-up" windshield, will indicate my vehicle is in self drive mode. The first time I tried using that option I must admit I was a tad apprehensive. I was on a straight and level highway doing about fifty five MPH. I didn't know what to expect so my hands were ready to go into action if necessary. My car just cruised along at 55 MPH and the steering wheel moved slightly when necessary to stay in lane. ..Wow this is great. There came a time when I could see a wide turn down the road. I'm talking a ninety degree wide turn. I didn't slow down, the traffic was light, so lets see what happens. The first test. My car just cruised into the turn and maintained proper distance within the lines. This is unbelievable. Of course there is a built in fail safe safety devise that required the driver to move the steering wheel about every 45 seconds. If you don't move/touch the wheel, as I didn't because I didn't know I needed to, the car slows and the alarm goes off. Now I know. One more nice extra with that option; you set the distance you want to allow between you and the car in front before your car automatically slows to maintain that predetermined distance. The bottom line is all you need do is set the controls and be alert while you eat your sandwich and drink your coffee. . Now for the down side: My wife and I are senior citizens and we are having difficulty getting accustomed to the very high-tech controls. We have visited the dealer several times so far and the good news is the people in charge of teaching that system are very patient. We are getting there and as we learn we find more remarkable options that came with our car. I could spend another hour writing about my Mercedes Benz but might I suggest if you are interested in buying one simply take a test drive. You decide for yourself.

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Tom P. on March 27, 2018

Fantastic car

I can't believe I actually own this fantastic car! This 2018 Mercedes S 450 is Loaded except for night vision and is worth every penny of the $112,594 MSRP!

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Tom P. on March 27, 2018

Totally unbelievable Car!!

I can't believe I'm actually driving this car... This 2018 Mercedes S 450 is totally loaded except for night vision and it is worth every penny of the $112,589 MSRP!! I also had a fantastic salesman!

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Jovan

Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.