MotorDeets

2026 Mercedes-Benz C 300: Recalls, Problems & MPG

Here are the deets on the 2026 Mercedes-Benz C 300: 1 recall, 2 owner complaints and up to 29 mpg combined.

1vehicle recalls
2owner complaints
0mention a crash
29best combined mpg
2026 Mercedes-Benz C 300
Photo: Chanokchon · CC BY-SA 4.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

Recalls

1 vehicle recall from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.

Electrical Vehicle recall #26V281000 · 2026 · 144,049 vehicles

What's wrong: The infotainment control unit May reset while the vehicle is in motion and cause the instrument panel display to go blank.

Why it matters: An instrument panel display that fails to show critical safety information, such as the speedometer and warning lights, increases the risk of a crash.

The fix: Dealers will update the infotainment control unit software, free of charge. Owner notification letters were mailed June 29, 2026. Mbusa's number for this recall is 2026050004.

Most-reported problems

Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.

Speed control / throttle1
Body & structure1
Airbags1

What owners describe

The 2026 Mercedes-Benz C 300 has 2 owner complaints, ranking #10 of 10 C 300 model years for complaints (well below the 50 average). Neighboring years: 2025 (4 complaints, 2 recalls).

Engines & fuel economy (EPA)

EngineTransmissionDriveCityHwyComb.Fuel
2.0 L 4-cyl turbo hybridAutomatic 9-spdRear-Wheel Drive253529Premium

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 2026 Mercedes-Benz C 300.

eManualOnline Download (PDF), keep forever

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

Most $25–$78, one-time
Check 2026 Mercedes-Benz C 300 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 2026 Mercedes-Benz C 300 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 2026 Mercedes-Benz C 300 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 2026 Mercedes-Benz C 300 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

Does the 2026 Mercedes-Benz C 300 have any recalls?

Yes. NHTSA lists 1 vehicle recall for the 2026 Mercedes-Benz C 300. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.

What are the most common 2026 Mercedes-Benz C 300 problems?

Owners have filed 2 complaints with NHTSA. The most-reported areas are speed control / throttle (1), body & structure (1), airbags (1).

What gas mileage does the 2026 Mercedes-Benz C 300 get?

EPA ratings run up to 29 mpg combined (2.0 L, Automatic 9-spd), across 1 engine and transmission combos.

Where can I get a 2026 Mercedes-Benz C 300 repair manual?

eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.

Other C 300 years

2017201820192020202120222023202420252026