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2021 Mercedes-Benz CLS450 2021 Base Sedan

Repair services & inexpensive new parts for 2021 Mercedes-Benz CLS450 2021 Base Sedan with 3.0L 2999CC l6 MILD HYBRID EV-GAS (MHEV) DOHC Turbocharged engine.

The 2021 Mercedes-Benz CLS450 is a luxurious sedan that combines performance with efficiency, thanks to its 3.0L turbocharged inline-6 engine and mild hybrid technology. This vehicle offers a blend of thrilling driving dynamics and advanced features, making it a standout in the premium sedan market. With a rear-wheel-drive configuration and a sleek design, the CLS450 balances style and functionality, appealing to those who seek both comfort and performance in their daily driving experience.

Common Issues

While the 2021 CLS450 is generally reliable, some owners have reported issues with:

  • Electrical system malfunctions, particularly with infotainment features.
  • Transmission responsiveness, especially in sport mode.
  • Hybrid system performance, including battery charging inconsistencies.

Maintenance Tips

To keep your CLS450 running optimally, consider the following maintenance practices:

  • Regular oil changes every 10,000 miles or annually, whichever comes first.
  • Check and maintain tire pressure monthly for better fuel efficiency.
  • Schedule annual inspections for the hybrid system components.
  • Keep the brake fluid and coolant levels checked regularly.

Typical Repair/Owership Cost Ranges

Ownership costs can vary, but here are some typical ranges for repairs and maintenance:

  • Routine maintenance (oil change, filters): $150 - $300 annually.
  • Brake pad replacement: $300 - $600 per axle.
  • Hybrid battery replacement (if needed): $5,000 - $12,000.
  • Transmission service: $300 - $800.

Buying Advice (What to Inspect)

When considering the purchase of a 2021 CLS450, inspect the following:

  • Overall vehicle condition and any signs of previous accidents.
  • Functionality of the infotainment and electrical systems.
  • Hybrid battery performance and any warning lights on the dashboard.
  • Tire condition and remaining tread depth.

Frequently Asked Questions

  • What is the fuel efficiency of the 2021 CLS450? The CLS450 averages around 24 MPG in the city and 31 MPG on the highway.
  • Is the mild hybrid system worth it? The mild hybrid system enhances fuel economy and provides extra torque during acceleration.
  • How reliable is the 2021 CLS450? Overall, the vehicle has received positive reliability ratings but may encounter some electrical issues.
  • What warranty comes with the 2021 CLS450? The vehicle typically comes with a 4-year/50,000-mile limited warranty.
  • Are parts for the CLS450 expensive? While some parts can be pricey due to the luxury status, routine maintenance parts are generally comparable to other mid-range vehicles.
  • What are the performance specs of the CLS450? It produces 362 horsepower and can accelerate from 0-60 mph in approximately 5.1 seconds.
  • Does the CLS450 have advanced safety features? Yes, it includes several advanced safety features such as adaptive cruise control and lane-keeping assist.
  • How does the warranty cover the hybrid components? The hybrid battery is often covered under an extended warranty, typically lasting up to 8 years or 100,000 miles.

Have Questions about Mercedes-Benz CLS450 2021 Base? Ask the assistant for questions about mileage, performance, repairs, parts, recommended maintenance and more.


Make: Mercedes-Benz
Model: CLS450
Trim: Base Sedan 4-Door
Year: 2021

Quick Info

Fuel: MILD HYBRID EV-GAS (MHEV)
Aspiration: Turbocharged
Engine Displacement: 3.0L
Engine CC: 2999
Engine CID: N/A
Engine Block Type: L
Cylinder Type: DOHC
Cylinders: 6
Drive: RWD
Body Type: Sedan
Doors: 4

Repair services & inexpensive new parts for 2021 Mercedes-Benz CLS450 2021 Base Sedan with 3.0L 2999CC l6 MILD HYBRID EV-GAS (MHEV) DOHC Turbocharged engine.