Skip to content
SteeringPart report

2018 Mercedes-Benz C300 Steering Problems

Complaints
12about this part
Share
12%of 99 total for the year
Median mileage
57,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 12 complaints about the steering of the 2018 Mercedes-Benz C300, 12% of the 99 complaints for this model year. Where a mileage was given, the median is 57,000 miles. 1 of these say a crash was involved, according to the filers. 2 recall campaigns on record are filed under a similar system.

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.

“I am writing to share my dissatisfaction with mercedes benz. I have a 2018 C300 that was purchased brand new. The steering wheel is deteriorating and I addressed the service department of ontario,ca. I opened a case with corporate and spoke with case manager james who was not helpful, and refused to put in a escalation to management about my situation. He actually thought my call was funny and laughed at one point. I was insulted by mercedes benz with the comment you guys told me about my wheel, and how you will not stand behind the standard warranty which I'm covered under. …”

NHTSA complaint #11169926, filed 2019-01

“The contact owns a 2018 Mercedes-Benz C300. While driving at various speeds, the contact could hear an abnormal sound from the transmission. The vehicle was taken to a local independent mechanic where it was diagnosed that the rack and pinion needed to be replaced. The vehicle was not repaired. The vehicle was then taken to a local dealer for diagnosis, but the failure could not be replicated. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 57,000.”

NHTSA complaint #11610269, filed 2024-08, 57,000 miles

“While driving in a curved onramp connecting from one street to another the vehicle experienced a complete loss of steering ability which resulted in the vehicle continuing to move straight, off the pavement, and into a wall. The vehicle bounced off of the wall and loss of steering ability continued and the vehicle could not be controlled, crossed the road, went over a guardrail, and down an embankment until it came to a stop (approx 100ft). The vehicle engine never turned off until it came to a stop at which point the vehicle was manually turned off. No airbags deployed. …”

NHTSA complaint #11423998, filed 2021-07

Related recalls

Related service bulletins

Steering: other model years

YearComplaintsShare of year
202214%
202026%
201957%
20181212%
2017136%
2016134%
2015236%
20141314%
20132610%
201283%
2011347%
20107116%
200913624%
200813620%

Other parts of the 2018 Mercedes-Benz C300

Engine
34 complaints
Other or unknown
23 complaints
Body and structure
14 complaints
Electrical system
10 complaints
Fuel system
10 complaints
Air bags
4 complaints
Forward collision avoidance
4 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Brakes
2 complaints
Exterior lighting
2 complaints
Tires
2 complaints
Transmission and drivetrain
2 complaints

← All problems reported for the 2018 Mercedes-Benz C300

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