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2015 Mercedes-Benz C300 steering problems

23 complaints (6% of all complaints for this car). Typical mileage when it fails: 40,000. 2 crashes reported.

owner complaints
23
of this car's complaints
6%
typical mileage
40,000
crashes
2
recalls
3

Which part fails

Owners did not name a specific part.

At what mileage

Complaints by mileage at the time of the problem.

0k-25k
25k-50k
50k-75k
75k-100k
100k-125k
125k-150k
150k-175k
175k-200k
200k+

Mercedes-Benz C300 steering problems in other years

201020112012201320142015201620172018201920202022

Specific symptoms reported on the 2015 Mercedes-Benz C300 steering

Phrases found in the owners' own descriptions, so one complaint can mention several symptoms.

Power steering loss 7

Related recalls

Steering: rack and pinion: rackReported November 29, 2018 · 6,373 vehicles affected
What is wrong
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2015-2016 Mercedes Benz C300, 2017-2019 C300 Cabrio, C300 Coupe, C63 Cabrio, 2015 C63S AMG, 2018-2019 C300, C350e, C63 AMG, C63S AMG Cabrio, 2018 C63 AMG Cabrio, C63 AMG Coupe, C63S AMG, C63S AMG Coupe, E300, E400 Cabrio, E400 Coupe, 2019 CLS450, E450 Cabrio, and E450 Coupe rear-wheel drive vehicles. A locknut in the steering rack may break under high load, possibly causing the steering to become stuck in one position.
Risk
A car that cannot be properly steered has an increased risk of a crash.
Remedy
MBUSA will notify owners, and dealers will replace the steering rack, free of charge. The recall began August 23, 2019. Owners may contact MBUSA customer service at 1‑800‑367‑6372. MBUSA's number for this recall is 2019080012.

Recall number 18V850000 · Recall details

Steering: electric power assist systemReported December 16, 2015 · 28,452 vehicles affected
What is wrong
Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2015 C300 and C400 4matic sedans manufactured January 27, 2014, to December 1, 2014. Due to an error in the electric power steering control unit software, the affected vehicles may have a loss of electric power steering assist.
Risk
If the vehicle experiences a loss of power steering assist, extra steering effort will be required, especially at lower speeds, increasing the risk of a vehicle crash.
Remedy
MBUSA will notify owners, and dealers will update the power steering software, free of charge. The recall began in January 15, 2016. Owners may contact MBUSA customer service at 1‑800‑367‑6372.

Recall number 15V845000 · Recall details

SteeringReported September 26, 2014 · 10,509 vehicles affected
What is wrong
Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2015 C300 4Matic and C400 4Matic vehicles manufactured March 28, 2014, to September 18, 2014. If the steering coupling interlock mechanism is not locked in place, the sliding shaft, which is part of the steering column, could become disengaged from the steering coupling socket due to vibrations, steering thrust, or load feedback from the road surface.
Risk
If the sliding shaft becomes disengaged from the steering coupling socket, the driver may experience noises, steering backlash, and in a worst case, loss of steering control, which may increase the risk of a crash.
Remedy
MBUSA has notified owners, and dealers will inspect the steering coupling interlock mechanism to verify that it is in the locked position, free of charge. The recall began on October 1, 2014. Owners may contact MBUSA customer service at 1‑800‑367‑6372. MBUSA's number for this recall is 2014090008.

Recall number 14V598000 · Recall details

What 2015 Mercedes-Benz C300 owners say

Most recent owner complaints, unedited.

Filed May 7, 2026 · Electrical, Fuel system · TX · crash · 1 injury

I was driving my car was sputtering or trying to shut off while I press the gas and I let go of the gas and it catches and stayed on. I took it to the dealership and they said they found nothing wrong. May 3rd around 12pm im driving on the freeway and as im getting on the express lane going 60 it dies and I couldn't move the steering wheel and I slammed into a guardrail. After doing research my car (vin [XXX] ) had multiple recals from the fuel pump and steering wheel and the dealership never fixed or checked any recalls before selling it to me. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Aug 6, 2025 · Engine, Steering · 82,000 miles · TX

The contact owns a 2015 Mercedes-Benz C300. The contact stated while driving 40 MPH, the vehicle unexpectedly veered to the left. There was no warning light illuminated. The contact stated that the steering wheel became inoperable, and the contact was unable to straighten the steering wheel. The brake pedal was also depressed. The contact attempted to depress the accelerator pedal however, the vehicle started to stall. The contact pulled over into a parking lot and was able to restart the vehicle. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 82,000.

Filed May 11, 2025 · Electrical, Steering · CA

Power steering malfunction Car unable to drive I believe there is supposed to be a recall for this issue but not popping up when I put in VIN number Warning lamps come up. Sometimes every light on dashboard. Took it to Mercedes but it was when code was not popping up and they said I needed a new battery. Did that but still an issue. Has also happened when driving. Sometimes collision assist plus light comes on and power steering acts up. Light I am pointing at in picture is another light that consistently pops up I have been able to intermittently fix problem by resetting computer by unplugging battery for 15min or longer. As well as confirming full service on vehicle. Now it isn’t working though.

Filed May 7, 2025 · Steering · 70,000 miles · ME

The contact owns a 2015 Mercedes-Benz C300. The contact stated that while driving at an undisclosed speed, there was an abnormal clunking sound coming from the front suspension of the vehicle. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the steering rack locknuts, observing that the steering rack had become loosened. The vehicle was not repaired. The vehicle was then towed to the dealer, who confirmed the diagnostic result. The vehicle was not repaired. After investigating the failure, the contact related the failure to the federal safety agency Campaign Number: 18V850000 (Steering), but the VIN was not included. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the federal safety agency hotline for assistance. The failure mileage was 70,000.

Filed Apr 17, 2024 · Airbags, Steering · WI

My car is a 2015 Mercedes Benz, I bought it at the agency in 2022. When I tested the vehicle at the agency, I noticed the steering was a little hard. I asked the sales person and he told me it was normal. Then, after 1 year and 5 months, it was on its way. I went to work and the steering wheel jammed and it wouldn't cross and the car turned off then it didn't want to start and it said the following on the dashboard power stering see operator manual

Filed Nov 9, 2023 · Steering · 40,000 miles · CT

The contact owns a 2015 Mercedes-Benz C300. The contact stated that after starting the vehicle, there was an abnormal grinding sound coming from the vehicle. The contact stated that the steering wheel had seized. The contact had the vehicle towed to a certified mechanic and was informed of the federal safety agency Campaign Number: 18V850000 (Steering) and the contact was referred to the dealer. The dealer was contacted and confirmed that the VIN was not included in the recall. The vehicle had not been diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 40,000.

Filed Apr 27, 2023 · Steering · 100,000 miles · TX

The contact owns a 2015 Mercedes-Benz C300. The contact stated while driving 65 MPH, the power steering assist warning light illuminated, and the steering wheel became firm. The contact was able to pull over safely on the side of the road. The vehicle was towed to the dealer and the dealer stated that steering column was experiencing an electric failure, and that the rack and pinon needed to be replaced, and the steering module needed to be reprogramed. The vehicle was not repaired. The manufacturer was contacted, and the manufacturer stated that the VIN was not under any recall. No further assistance was provided. The failure mileage was 100,000.

Filed Sep 16, 2022 · Steering · NJ

Failed component: power steering. Mercedes Benz of Princeton did the replacement, but we're not sure if they kept the part. Safety issue: On June 14, 2022, the vehicle’s power steering failed in the middle of a drive (see attachment for the error message). This was a major risk since the car was stuck in the middle of the road, with the steering wheel requiring tremendous force to turn. Luckily, we were a few 100 feet away from home, so we just left it. Next morning the car turns on fine and there are no issues with the steering. One week later, on June 19, 2022, the issue resurfaced. This time we were driving 35mph in a public street with traffic behind us. We were barely able to pull the car over to the side of the road. We took the car to Mercedes Benz of Princeton where they diagnosed the issue and quoted $4551 to replace the entire steering rack. We also contacted MB USA to understand why our vehicle wasn't recalled as part of the federal safety agency Recall ID #15V‑845. After dragging their feet for a full month (where no updates were provided), they denied the claim. On July 22, 2022, we ended up paying the full cost of repair and lost the use of the vehicle for a full month.

Filed Aug 1, 2022 · Steering · 130,000 miles · CA

The contact owns a 2015 Mercedes-Benz C300. The contact stated while driving 60 MPH, the power steering malfunction message appeared on the instrument panel. As the contact attempted to exit the highway, excessive force was needed to steer the vehicle. The manufacturer was notified of the failure and the contact was informed that the vehicle was not included in the federal safety agency Campaign Number: 15V845000 (Steering). The vehicle had yet to be repaired. The failure mileage was approximately 130,000.

Filed Jan 6, 2022 · Steering · CA

Power steering malfunctioned while driving. Received error on dash. The steering wheel was very difficult to turn. Issue was resolved after turning the car off for 5mins and restarting. However it is unclear whether the issue would fester again. This is the first time this issue occurred between 2017-2022.

Questions about the 2015 Mercedes-Benz C300 steering

Does the 2015 Mercedes-Benz C300 have steering problems?

Owners have filed 23 complaints about the steering of the 2015 Mercedes-Benz C300, 6% of all its complaints.

At what mileage do 2015 Mercedes-Benz C300 steering problems start?

The typical (median) mileage in owner complaints is 40,000 miles.

Was there a recall on the 2015 Mercedes-Benz C300 steering?

Yes, 3 recalls: 18V850000, 15V845000, 14V598000. Check your VIN to see if your car still needs the free repair.

What year does the Mercedes-Benz C300 have bad steering?

The Mercedes-Benz C300 model years with the most steering complaints are 2010 (71 complaints), 2011 (34 complaints) and 2013 (26 complaints).

Other 2015 Mercedes-Benz C300 problems

Engine 128Fuel system 70Body 61Electrical 50Suspension 22Transmission 20Driver assistance 18Visibility 16Airbags 12Brakes 9Wheels 8Acceleration 5Tires 3Seat belts 2Seats 2Lights 1

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