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

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Cathleen V | September 29, 2025
The 2018 Mercedes-Benz B-Class is a premium compact MPV, part of the W246 generation (2011-2018). Known for its practical 5-door body style, it offered trims like the B 250 (gasoline) and B 250e (electric). With a new price range typically between $30,000-$40,000 (depending on market), it stood out for offering Mercedes-Benz luxury and comfort in a versatile, family-friendly package, appealing to those seeking practicality without sacrificing badge prestige.
The Good

The 2018 B-Class offers a compelling blend of practicality and luxury. Its advantages include a comfortable, refined ride and a surprisingly spacious, versatile interior for families (practical). The premium Mercedes-Benz design and badge appeal to emotional buyers, while decent fuel efficiency (or electric range) and quality materials provide strong overall value. Its smooth performance enhances daily driving.

The Bad

Potential weaknesses include higher-than-average maintenance costs associated with a premium brand and parts. While comfortable, its driving dynamics aren't overtly sporty, and the infotainment system, though functional, can feel somewhat dated compared to newer rivals. Road noise can also be noticeable at higher speeds for some drivers.

2018 Mercedes-Benz B-Class: Quick Overview

The 2018 Mercedes-Benz B-Class offered varied specifications across global markets.

  • Engine Options:
    For North America, the primary model was the B 250e Electric Drive, powered by an electric motor. In other markets (e.g., Europe), gasoline options included the B 180 (1.6L turbo inline-4), B 200 (1.6L turbo inline-4), and B 250 (2.0L turbo inline-4). Diesel variants like the B 180 d and B 200 d were also available.
  • Horsepower:
    The B 250e produced approximately 177 hp (132 kW). The B 250 gasoline model delivered around 208 hp (155 kW). Lower gasoline and diesel engines ranged from 109 hp to 170 hp.
  • Fuel Economy / Electric Range:
    B 250e Electric Drive: EPA estimated range of about 87 miles (140 km) on a full charge, with an impressive 87 MPGe combined rating. Gasoline models (e.g., B 250) typically achieved a combined fuel economy of around 7.0-8.0 L/100km (roughly 30-33 MPG equivalent, depending on driving conditions and market).
  • 0-60 mph (0-100 km/h) Times:
    B 250e: Around 7.9 seconds.
    B 250 gasoline: Approximately 6.7-7.0 seconds.
  • Towing Capacity:
    Generally, the B-Class is not designed for heavy towing. If equipped with a factory hitch, towing capacity for gasoline/diesel variants could be up to 1500 kg (around 3300 lbs), but specific ratings vary significantly by market and configuration. The B 250e Electric Drive is not typically rated for towing.
  • Key Trim-Level Features:
    Standard features often included ARTICO (MB-Tex) upholstery, a 7-inch infotainment display with Bluetooth, dual-zone automatic climate control, Dynamic Select driving modes, Attention Assist, Active Brake Assist, and 17-inch alloy wheels.
    Optional and higher trim features encompassed genuine leather upholstery, an 8-inch COMAND infotainment system with navigation, a Harman Kardon premium sound system, a panoramic sunroof, heated front seats, advanced driver-assistance systems like Active Parking Assist, Blind Spot Assist, and Lane Keeping Assist, as well as LED High Performance headlamps and various AMG Line styling packages with larger wheels.

2018 Mercedes-Benz B-Class Specifications

Vehicle Information
Year 2018
Make Mercedes-Benz
Model B-Class
Trim -
Style All-Wheel Drive
Type Sedan
Category Compact Car
Manufacturing Details
Made In Germany
Manufacturing City -
Dimensions
Doors 4-Door
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 2.0-L
Engine Size 2L
Engine Cylinders 4
Transmission 7-Speed Automatic
Transmission Type Automatic
Transmission Speeds 7-Speed
Drivetrain All-Wheel Drive
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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

While generally considered a well-built premium compact, the 2018 Mercedes-Benz B-Class (W246 generation) isn't entirely without its frequently reported problems or long-term reliability concerns. Potential owners should be aware of a few common areas.

One recurring theme, especially with Mercedes-Benz's dual-clutch transmissions (like the 7G-DCT found in many B-Class models), can be a sensation of jerky or hesitant shifts, particularly at low speeds or when cold. While not always a fault, it can be a characteristic that some owners find less refined. Over longer terms, some reports of mechatronic unit failures, though not widespread, have been noted.

Electrical issues, ranging from sensor malfunctions (e.g., parking sensors, speed sensors) to infotainment glitches or premature 12V battery drain, are occasionally reported. Maintaining a healthy 12V battery is crucial for the car's complex electronic systems. Suspension components, such as bushings and linkages, can also wear over time, leading to squeaks or a less composed ride, requiring replacement.

Regarding recalls, specific to the 2018 B-Class, owners should check official sources (like NHTSA in the US or Transport Canada) using the VIN. General recalls affecting Mercedes-Benz vehicles of this era have included issues such as potential problems with the ESP control unit, loose fuses that could lead to power loss, or, in broader campaigns, potential issues with steering column modules. For the B 250e Electric Drive, specific recalls might address high-voltage battery management software or electric drive component issues.

Long-term, as with any premium vehicle, the cost of parts and specialized labor for repairs can be significantly higher than for a mainstream brand, contributing to higher ownership costs once out of warranty. Maintaining a diligent service schedule is paramount for preserving reliability.

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

With diligent maintenance and care, a 2018 Mercedes-Benz B-Class can reliably serve its owners for a considerable period, often exceeding 150,000 to 200,000 miles (240,000 to 320,000 km) and 10 to 15 years. Mercedes-Benz vehicles are engineered for durability, and the B-Class generally upholds this reputation, especially concerning its robust engines and core mechanical components.

However, long-term ownership can expose certain weaknesses. Suspension components, such as control arm bushings and shock absorbers, may require replacement over time, impacting ride comfort and handling. Electrical systems, while sophisticated, can develop minor glitches or require sensor replacements as the vehicle ages. For the B 250e Electric Drive, battery degradation is an inherent long-term factor that will gradually reduce its maximum range. Consistent maintenance is key to mitigating these age-related issues and ensuring prolonged service life.

What Technology & Safety Features are Included?

The 2018 Mercedes-Benz B-Class was equipped with a respectable array of built-in technology, entertainment, and safety features for its class, reflecting its premium standing.

For entertainment and technology, the B-Class typically featured Mercedes' COMAND infotainment system, with a standard 7-inch or optional 8-inch display, controlled via a central rotary dial. While not a touchscreen, it offered intuitive navigation through menus for audio, vehicle settings, and optional navigation. Bluetooth connectivity for hands-free calling and audio streaming, along with USB ports, were standard. An optional Harman Kardon Logic 7 surround sound system provided enhanced audio quality, and Mercedes Me Connect services offered telematics features and remote vehicle access.

Driver-assistance and safety features were a strong point. Standard safety aids included Attention Assist, which monitors driver drowsiness, and Active Brake Assist (Collision Prevention Assist Plus), providing visual and audible warnings of impending collisions and applying partial autonomous braking if necessary. Optional driver assistance technologies significantly enhanced safety and convenience, encompassing Blind Spot Assist, Lane Keeping Assist, and Active Parking Assist for semi-autonomous parking. A rearview camera and front/rear parking sensors were also widely available. Standard passive safety included a comprehensive airbag system (front, side, curtain, knee airbags), ABS, Electronic Stability Program (ESP), and ISOFIX child seat anchors.

In terms of crash-test ratings, the Mercedes-Benz B-Class (W246 generation) achieved a full 5-star rating from Euro NCAP, underscoring its robust structural integrity and effective safety systems for adult and child occupants. Specific details highlighted strong performance in adult occupant protection (86%) and child occupant protection (85%), alongside good scores for pedestrian safety and safety assist systems.

What Colors Options are Available?

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In the meantime, feel free to explore the other sections for more content.

2018 Mercedes-Benz B-Class Prices and Market Value

When new, the 2018 Mercedes-Benz B-Class had a starting price generally ranging from approximately $30,000 to over $40,000, depending heavily on the specific market and trim (e.g., the B 250e Electric Drive in North America started around $40,000-$41,500 before incentives).

Today, on the used market (2024), current prices for a 2018 B-Class typically range from about $10,000 to $20,000, varying based on mileage, condition, and particularly for the B 250e, the battery health. Mercedes-Benz vehicles, especially their entry-level models, tend to experience significant depreciation during their initial years, and the B-Class is no exception. Factors greatly affecting its resale value include the overall vehicle condition, accumulated mileage, the presence of desirable optional packages (like navigation or advanced driver-assistance), and crucially, a comprehensive service history. For the electric variant, the degradation level of its battery significantly impacts its desirability and price.

2018 Mercedes-Benz B-Class Cost of Ownership

Long-term ownership of a 2018 Mercedes-Benz B-Class, while offering a premium experience, tends to be on the costlier side compared to mainstream compact vehicles. Insurance premiums are typically higher due to the vehicle's brand prestige and the cost of replacement parts. Fuel costs for gasoline models are reasonable for the class, while the B 250e offers excellent "fuel" economy (electricity) but limited range. However, maintenance and repair costs are significantly higher. Mercedes-Benz parts are expensive, and specialized labor rates mean routine servicing and unexpected repairs can quickly add up. This makes comprehensive service plans or a healthy savings buffer essential for ownership.

2018 Mercedes-Benz B-Class Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 34.83 liters
City Mileage 4.38 km/l
Highway Mileage 3.32 km/l

2018 Mercedes-Benz B-Class Safety Rating

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

2018 Mercedes-Benz B-Class Warranty

Basic
Original warranty 0 months / No data
Estimated remaining Expired
Powertrain
Original warranty 0 months / No data
Estimated remaining Expired
Rust
Original warranty 0 months / No data
Estimated remaining Expired

2018 Mercedes-Benz B-Class Insurance

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

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

The 2018 Mercedes-Benz B-Class occupies a niche as a premium compact MPV, pitting it against a few key rivals, primarily the BMW 2 Series Active Tourer in terms of concept and premium badge.

In performance, the B-Class (especially the B 250 gasoline) offers a comfortable, refined, and reasonably peppy ride, prioritizing comfort over sportiness. The BMW 2 Series Active Tourer often provides a slightly more engaging, sportier driving experience. Compared to more conventional premium hatchbacks like the Audi A3 Sportback, the B-Class feels less agile but offers greater passenger and cargo versatility. The B 250e Electric Drive's performance is characterized by instant torque and smooth acceleration, comparable to other compact EVs like the Chevrolet Bolt or Nissan Leaf, though with less range than newer EVs.

Regarding features, the B-Class boasts a high-quality interior with premium materials, and a solid array of tech for its era, including the COMAND infotainment system and driver-assistance aids. Rivals like the BMW 2AT offer similar levels of luxury and technology, while the Audi A3 might have a more minimalist but equally upscale cabin. More mainstream alternatives like the Volkswagen Golf SportWagen offer excellent features and practicality at a significantly lower price point, often with comparable or superior infotainment.

Reliability is a nuanced comparison. While Mercedes-Benz builds durable vehicles, their repair costs can be high. BMW and Audi are in a similar boat. For long-term peace of mind and lower maintenance costs, non-premium alternatives like a Volkswagen Golf or a Mazda 3 would generally fare better.

Price-wise, the B-Class commanded a premium new price, similar to its BMW rival. Used prices reflect this initial premium but also the general depreciation of entry-level luxury cars.

Recommended Alternatives:
  • For a sportier premium MPV: A used BMW 2 Series Active Tourer.
  • For premium practicality in a hatchback: An Audi A3 Sportback or even a Mercedes-Benz A-Class Hatchback (if available in your market).
  • For excellent value and practicality: A Volkswagen Golf SportWagen or Mazda 3 Sport offers a compelling package at a lower overall ownership cost.
  • For a more competitive compact EV: A Chevrolet Bolt EV or newer Nissan Leaf provides better range and often more modern EV tech for a similar used price, albeit without the Mercedes badge.

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

The 2018 Mercedes-Benz B-Class is an ideal choice for buyers seeking the prestige and comfort of a Mercedes-Benz in a highly practical, compact MPV package. It's perfect for small families or individuals who prioritize a refined, comfortable ride, a versatile and spacious interior, and decent fuel efficiency (or electric range with the B 250e) for urban and highway driving. Those who value the brand's luxury feel over outright sporty performance will find it appealing.

As a used vehicle, the B-Class represents strong value, having already undergone significant depreciation. It is worth buying if you are prepared for the potentially higher long-term ownership costs associated with a premium European brand, particularly concerning maintenance and repairs. Opt for models with a complete service history. For the B 250e, carefully assess the battery's state of health and ensure its range suits your daily needs. Avoid models with obvious transmission issues. Under these conditions, it offers a unique blend of practicality and luxury at an accessible price point.

2018 Mercedes-Benz B-Class Owner Reviews

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Cathleen V

Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.