MotorDeets

Mercedes-Benz Cls 450 problems, recalls & best years

The deets on every Cls 450 from 2019 to 2023: 26 owner complaints and 34 recalls across 5 model years.

The model years with the most owner complaints are 2019 (14), 2020 (5), 2022 (3). Best fuel economy: 26 mpg combined (2021).

Mercedes-Benz Cls 450
Photo: Chanokchon · CC BY-SA 4.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

Problem areas across all years

Wheels11
Electrical8
Steering3
Engine3
Suspension2
Tires2
Brakes1
Backup camera1

Year by year

YearRecallsComplaintsBest mpg
2019121426
20205526
20218126
20226325
20233325

Want the full repair deets? Get the factory manual.

Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the Mercedes-Benz Cls 450.

eManualOnline Download (PDF), keep forever

Closest thing to the factory manual for most years. Pay once, keep it.

Most $25–$78, one-time
Check Mercedes-Benz Cls 450 manual
Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
Check Mercedes-Benz Cls 450 manual
ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
Check Mercedes-Benz Cls 450 manual
Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
Check Mercedes-Benz Cls 450 manual

Heads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure

FAQ

What is the worst year for the Mercedes-Benz Cls 450?

The model years with the most owner complaints are 2019 (14), 2020 (5), 2022 (3).

How many recalls has the Mercedes-Benz Cls 450 had?

Across 2019–2023, NHTSA lists 34 vehicle recall campaigns by model year (a campaign that covers several years counts once per year).