Is the 2011 Mercedes-Benz C350 reliable?

The 2011 Mercedes-Benz C350 has 26 complaints filed with NHTSA (1.1x the segment average). Our reliability verdict: below-average. Most common issue: AIR BAGS problems.

What are common problems with the 2011 Mercedes-Benz C350?

Top problems: AIR BAGS (16 complaints, avg repair $500); FUEL SYSTEM (5 complaints, avg repair $500); OTHER (4 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2011 Mercedes-Benz C350?

Yes, there are 4 recall(s): AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE, AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE, AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE, EXTERIOR LIGHTING:TAIL LIGHTS. Contact any Mercedes-Benz dealer to verify if recalls have been completed on your specific vehicle.

How much does it cost to fuel a 2011 Mercedes-Benz C350?

The 2011 Mercedes-Benz C350 gets 20 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $2400. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2011 Mercedes-Benz C350?

Estimated US average full-coverage insurance for the 2011 Mercedes-Benz C350 is approximately $1,821/year (sedan-luxury class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2011 Mercedes-Benz C350

Problems, Recalls & Reliability Report

Below Average

Quick Summary

The 2011 Mercedes-Benz C350 has 26 owner complaints filed with NHTSA — that's 1.1x the segment average of 24. The most common issue is air bags problems (62% of all complaints), specifically: i received emails informing me that the air bags in my vehicle can explode and emit metal fragments. i was informed that they are waiting for replacement parts. it's been almost 2 years now and i am still waiting.. There are 4 recalls issued for this model year. ⚠️ 2 fire reports filed.

2 fire reports

Total Complaints

Recalls Issued

—/5

Safety Stars

1.1x

vs Segment Avg

Known Problems(top 4 of 4)

AIR BAGS

16 complaints

62%

• I RECEIVED EMAILS INFORMING ME THAT THE AIR BAGS IN MY VEHICLE CAN EXPLODE AND EMIT METAL FRAGMENTS. I WAS INFORMED THAT THEY ARE WAITING FOR REPLACEMENT PARTS. IT'S BEEN ALMOST 2 YEARS NOW AND I AM STILL WAITING.
• TAKATA RECALL. DEALERSHIP NOT ASSISTING WITH AIRBAG REPLACEMENT. I
• TAKATA RECALL - MERCEDES HAS NOT REPLACED THE DEFECTIVE AIR BAGS

Typical onset: 50K miles Est. repair: $500

“I RECEIVED EMAILS INFORMING ME THAT THE AIR BAGS IN MY VEHICLE CAN EXPLODE AND EMIT METAL FRAGMENTS. I WAS INFORMED THAT THEY ARE WAITING FOR REPLACEMENT PARTS. IT'S BEEN ALMOST 2 YEARS NOW AND I AM STILL WAITING.”

— NHTSA complaint filing

When Problems Appear on the 2011 Mercedes-Benz C350

Based on 11 owner complaints that included an odometer reading. Median mileage at time of complaint: 53K miles. Most complaints cluster in the 60-100K miles range.

Overall complaint distribution by mileage

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

FUEL SYSTEM

In line with typicalmedian 68K mi · 5 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.

Recalls (4)

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE09/01/2019

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014 C250, C300 4Matic, C350, C63 AMG, E350 4Matic Coupe, E350 Cabrio, E350 Coupe, SLS AMG Cabrio, SLS AMG Coupe, 2014-2015 C250 Coupe, C350 4Matic Coupe, C350 Coupe, C63 AMG Coupe, GLK 350, GLK250 BlueTec 4Matic, GLK350 RWD, 2015-2017 E400 4Matic Coupe, E400 Cabrio, E400 Coupe, 2014-2017 E550 Cabrio, and 2014-2016 E550 Coupe vehicles sold, or ever registered, in the states of AL, CA, FL, GA, HI, LA, MS, SC, TX, PR, AS, GU, the MP, and VI or "Zone A." 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 vehicles ever registered in the states of AZ, AR, DE, DC, IL, IN, KS, KY, MD, MO, NE, NV, NJ, NM, NC, OH, OK, PA, TN, VA, and WV or "Zone B." MBUSA is also recalling certain 2012-2014 C250, E350 4Matic Coupe, SLS AMG Cabrio 2012-2015 C250 Coupe, C350 4Matic Coupe, C350 Coupe, C63 AMG Coupe, 2010-2011 C300, 2010-2014 C300 4Matic, C350, C63 AMG, E350 Coupe, 2011-2014 E350 Cabrio, SLS AMG Coupe, 2015-2016 E400 4Matic Coupe, E400 Cabrio, E400 Coupe, 2016-2017 E550 Cabrio, 2010-2016 E550 Coupe, 2010-2015 GLK350 4Matic, GLK350 RWD, and 2013-2015 GLK250 BlueTec 4Matic vehicles ever registered in the states of AK, CO, CT, ID, IA, ME, MA, MI, MN, MO, NH, NY, ND, OR, RI, SD, UT, VT, WA, WI and WY or "Zone C." These vehicles are equipped with air bag inflators assembled as part of the passenger frontal air bag modules that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

Risk: An inflator explosion may result in sharp metal fragments striking the passenger or other occupants resulting in serious injury or death.

Fix: MBUSA will notify owners, and dealers will replace the passenger frontal air bag module, free of charge. The recall began March 29, 2019. Owners may contact MBUSA customer service at 1-800-367-6372.

Fuel Cost Calculator for 2011 Mercedes-Benz C350

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$2,401

Per month

$200

Per mile

20.0¢

MPG

City driving (worst-case MPG)

$2,824/yr

Highway driving (best-case MPG)

$1,920/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2011 Mercedes-Benz C350

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$1,821

Full coverage / month

$152

Liability only / year

$710

vs US avg

+9%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (sedan-luxury)1.28x

× theft risk1.00x

× safety rating1.00x

× vehicle age0.85x

= Full coverage estimate$1821

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Mercedes-Benz C350 Service Intervals

Oil change

10K mi / 12 mo

Tire rotation

10K mi

Brake fluid

24 months

Transmission fluid

40K mi

Engine coolant

150K mi

Spark plugs

60K mi

Cabin air filter

20K mi

Engine air filter

40K mi

Differential (AWD/4WD)

40K mi

Service A / Service B alternating schedule. Requires MB-approved oil (229.5 spec typically).

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Mercedes-Benz New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

4 yr / 50K mi

Powertrain

4 yr / 50K mi

Hybrid/EV battery

10 yr / 155K mi

Corrosion (rust perforation)

4 yr / 50K mi

Roadside assistance

4 yr / unlimited mi

EQ EV battery warranty is 10 years/155,000 miles

These are the terms for a new Mercedes-Benz. If you're buying a used 2011 C350, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Mercedes-Benz dealer for VIN-specific remaining warranty.

Estimated Repair Costs

AIR BAGS(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

OTHER(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 26 owner complaints for this specific year, here's what to check or ask about:

☐
AIR BAGS: I RECEIVED EMAILS INFORMING ME THAT THE AIR BAGS IN MY VEHICLE CAN EXPLODE AND EMIT METAL FRAGMENTS. I WAS INFORMED THAT THEY ARE WAITING FOR REPLACEMENT PARTS. IT'S BEEN ALMOST 2 YEARS NOW AND I AM STILL WAITING.
Typically appears around 50K miles. Repair cost ~$500
☐
FUEL SYSTEM: WHEN FUEL TANK IS ABOUT 75%-100% FULL, THE CAR WILL SMELL HEAVILY OF GASOLINE INSIDE AND AROUND THE REAR OF THE VEHICLE. UPON INSPECTION, FUEL PUMP COVER/CAP SEEMS TO BE CRACKED AND LEAKING FUEL. ENGINE CODE P0456.
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: HEAT AND AC AIR SENSOR KEEPS GOING OUT EACH YEAR . LAST TWO YEARS THEY REPLACED IT . AC RUMBLE IN HOT WEATHER
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: WE HAVE THE RECALL AND I AM SORRY I DO NOT HAVE THE NUMBER WHERE THE WIRING HARNESS TO THE TAIL LAMPS COULD MELT CATCHING FIRE CAUSING THE REAR LAMP TO GO OUT. MINE HAS DONE SO. MY WIFE DRIVES 35 MILES 1 WAY TO WORK EACH DAY AND BECAUSE IT WAS AT NIGHT WHEN THIS HAPPENED I HAD TO GO OUT ON I-64 WHIC
Typically appears around 50K miles. Repair cost ~$500
☐
RECALLS: Verify all 4 recalls have been completed — free at any Mercedes-Benz dealer
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)