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Air bagsPart report

2004 Mercedes-Benz C320 Air bags Problems

Complaints
2about this part
Share
13%of 15 total for the year
Median mileage
99,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the air bags of the 2004 Mercedes-Benz C320, 13% of the 15 complaints for this model year. Where a mileage was given, the median is 99,500 miles. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owns a 2004 Mercedes-Benz C320. While driving approximately 50 MPH, the driver side air bag deployed independently as the contact struck a pothole in the road. The vehicle was towed to a mechanic where it was diagnosed that the impact activated the air bag deployment. The vehicle was not repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 130,000.”

NHTSA complaint #10915644, filed 2016-10, 130,000 miles

“The contact owned a 2004 mercedes benz C320. While stopped, another vehicle crashed head on into the contact's vehicle. The air bags failed to deploy. The contact sustained knee, back, head, and shoulder injuries. While waiting on police and medical service to arrive, another vehicle crashed into the rear of the contact's vehicle and the air bags still failed to deploy. The contact's vehicle was destroyed. A police report was filed. The manufacturer was made aware of the failure. The approximate failure mileage was 69,000. ..updated 08/26/15 ma 10/22/2015”

NHTSA complaint #10735544, filed 2015-07, 69,000 miles

Related service bulletins

Air bags: other model years

YearComplaintsShare of year
2005213%
2004213%
2003418%
200246%
200135%

Other parts of the 2004 Mercedes-Benz C320

Fuel system
5 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Brakes
1 complaints
Electrical system
1 complaints
Electronic stability control
1 complaints
Engine
1 complaints
Engine cooling
1 complaints
Equipment
1 complaints
Latches, locks and linkages
1 complaints
Other or unknown
1 complaints
Steering
1 complaints
Body and structure
1 complaints

← All problems reported for the 2004 Mercedes-Benz C320

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology