MotorDeets

2014 Mercedes-Benz C350: Recalls, Problems & MPG

Here are the deets on the 2014 Mercedes-Benz C350: 4 recalls, 13 owner complaints and up to 23 mpg combined.

4vehicle recalls
13owner complaints
1mention a crash
23best combined mpg
2014 Mercedes-Benz C350
Photo: OathOn · CC0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

Recalls

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

Airbags Vehicle recall #17V627000 · 2017 · 495,290 vehicles

What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling these vehicles: 2014-2018 cla250, cla250 4matic, cla45 amg 4matic, 2015-2018 gla250, gla250 4matic, gla45 amg 4matic, c300 4matic, c63s amg, 2012-2014 c250, c350, c300 4matic, e550 4matic, 2013-2014 c63 amg, 2012-2015 c250 coupe, c350 coupe, c63 amg coupe, 2013-2015 c350 4matic coupe, glk250 4matic bluetec, glk350, glk350 4matic, 2016-2017 c350e, c43 amg, 2015 c400…

Why it matters: If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.

The fix: Mbusa will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017.

Airbags Vehicle recall #19V010000 · 2019 · 288,779 vehicles

What's wrong: " additionally, mbusa is recalling certain 2012-2014 c250, e350 4matic coupe, sls amg cabrio, 2012-2015 c250 coupe, c350 4matic coupe, c350 coupe, c63 amg coupe, 2011 c300, 2011-2014 c300 4matic, c350, c63 amg, e350 cabrio, e350 coupe, sls amg coupe, 2015-2016 e400 4matic coupe, e400 cabrio, e400 coupe, 2011-2016 e550 cabrio, e550 coupe, 2011-2015 glk350 4matic, glk350 rwd, and 2013-2015 glk250 bluetec 4matic…

Why it matters: An inflator explosion May result in sharp metal fragments striking the passenger or other occupants resulting in serious injury or death.

The fix: Mbusa will notify owners, and dealers will replace the passenger frontal air bag module, free of charge. The recall began March 29, 2019.

Communication Vehicle recall #19V787000 · 2019 · 24,226 vehicles

What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain 2013-2017 vehicles due to a software fault that May cause the date and time for the emergency call system (ecall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.NHTSA.gov/odi/rcl/2019/rmisc-19v787-4620.pdf

Why it matters: An inaccurate vehicle location May delay emergency responders, increasing the risk of injury.

The fix: Mbusa has initiated an over the air (ota) remote update. Mbusa will also notify owners, and dealers will check software for a successful ota or update the communication module software as needed, free of charge. The recall began December 23, 2019.

Airbags Vehicle recall #21V638000 · 2021 · 205 vehicles

What's wrong: An incorrect front passenger air bag May have been installed during a prior repair.

Why it matters: An incorrect air bag May not function properly in a crash, increasing the risk of injury.

The fix: Dealers will replace the front passenger air bag on the affected vehicles, free of charge. Owner notification letters were mailed on September 10, 2021.

Most-reported problems

Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 1 injuries and 0 deaths were reported.

Airbags8
Body & structure2
Electrical1
Steering1
Speed control / throttle1
Brakes1
Transmission & drivetrain1

What owners describe

The 2014 Mercedes-Benz C350 has 13 owner complaints, ranking #8 of 11 C350 model years for complaints (well below the 33 average). Complaints peaked in 2019 (3 filed that year). The typical problem showed up when the car was about 5 years old, at a median of 60,000 miles. Neighboring years: 2013 (21 complaints, 6 recalls), 2015 (6 complaints, 4 recalls).

Engines & fuel economy (EPA)

EngineTransmissionDriveCityHwyComb.Fuel
3.5 L 6-cylAutomatic 7-spdRear-Wheel Drive202923Premium
3.5 L 6-cylAutomatic 7-spdRear-Wheel Drive202823Premium or E85

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 2014 Mercedes-Benz C350.

eManualOnline Download (PDF), keep forever

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

Most $25–$78, one-time
Check 2014 Mercedes-Benz C350 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 2014 Mercedes-Benz C350 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 2014 Mercedes-Benz C350 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 2014 Mercedes-Benz C350 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 2014 Mercedes-Benz C350 have any recalls?

Yes. NHTSA lists 4 vehicle recalls for the 2014 Mercedes-Benz C350. 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 2014 Mercedes-Benz C350 problems?

Owners have filed 13 complaints with NHTSA. The most-reported areas are airbags (8), body & structure (2), electrical (1).

What gas mileage does the 2014 Mercedes-Benz C350 get?

EPA ratings run up to 23 mpg combined (3.5 L, Automatic 7-spd), across 2 engine and transmission combos.

Where can I get a 2014 Mercedes-Benz C350 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 C350 years

20062007200820092010201120122013201420152017