CarRecallDB

2018 Mercedes-Benz C 300 4MATIC recalls and problems

3 recalls and 12 owner complaints on file with NHTSA for the 2018 Mercedes-Benz C 300 4MATIC.

3
recalls
12
owner complaints
0
complaints mentioning a crash
0
mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2018 Mercedes-Benz C 300 4MATIC recalls

Exterior lighting: headlights

NHTSA campaign 18V906000 · reported December 19, 2018 · Mercedes-Benz USA, LLC. · 2,364 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz C300 and C300 4MATIC vehicles. The headlights on these vehicles may not be properly adjusted. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
The risk
If the low beam headlight is not properly adjusted, the driver may have reduced visibility, increasing the risk of a crash.
The fix
MBUSA has notified owners, and dealers will inspect the setting of the headlights and adjust them, as necessary, free of charge. The recall began March 12, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019020008.

Air bags: sensor, occupant classification

NHTSA campaign 18V838000 · reported November 27, 2018 · Mercedes-Benz USA, LLC. · 104,663 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 C300 Cabriolet, C300 Coupe, C300 4Matic Cabriolet, C300, C300 4Matic Coupe, C300 4Matic, C43 AMG Cabriolet, C43 AMG Coupe, C63 S AMG Cabriolet, C350e Plug-In Hybrid, C63 AMG Cabriolet, C63 AMG Coupe, C63 S AMG Coupe, C63 AMG, C63 S AMG, 2018-2019 GLC300 4Matic Coupe, GLC300, GLC63 AMG Coupe, GLC300 4Matic, GLC350e Plug-In Hybrid, GLC43 AMG Coupe, GLC43 AMG, GLC63 S AMG Coupe, and GLC63 AMG vehicles equipped with Audio 20 head units and automatic child seat recognition. The status of the passenger side air bag may not display correctly.
The risk
If the passenger air bag is incorrectly displayed as 'ON' when it is not, a front seat passenger may be unaware that the air bag will not deploy in the event of a crash, increasing their risk of injury.
The fix
MBUSA will notify owners, and dealers will update the audio head unit software, free of charge. The recall began January 3, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018120009.

Visibility: glass, side/rear

NHTSA campaign 18V608000 · reported September 11, 2018 · Mercedes-Benz USA, LLC. · 387 vehicles potentially affected

The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz C300, C300 4MATIC, C63 AMG, and C63S AMG vehicles. Incorrect bonding of the rear window may cause the window to loosen and detach from the vehicle.
The risk
If the window detaches from the vehicle, it can become a road hazard, increasing the risk of a crash.
The fix
MBUSA will notify owners, and dealers will rework the rear window bonding, free of charge. The recall is expected to begin November 2, 2018. Owners may contact MBUSA customer service at 1-800-367-6372.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

Aug 28, 2026 · Unknown or other

Sunroof causing dangerous pinch conditions. Roof tracks break and cause pinch areas with partial opening of roof

Jul 30, 2026 · Structure

I have begun noticing symptoms of the adhesive failing, such as excessive wind noise coming from the front roof area and visible gaps/separation between the panel and the vehicle body. This poses a severe safety risk, as the panel could completely detach while driving and become a high-speed road hazard. No warning…

Jul 24, 2026 · Structure

2018 Mercedes C300 - a hole rusted through the rear subframe causing structural safety concerns. This car has been routinely washed weekly and the frame should not have rusted through within only 8 years. This also led to a large repair bill.

Jun 10, 2026 · Structure

****Please force Merces to recall all VIN's!******* NHTSA ID Number: 23V854000 1) Front glass roof panel came off while driving the car on the freeway. I didn't see or hear anything. When I got out of the car, I saw the entire piece has come off. This has caused my sunroof to malfunction, and it won't close now. I…

May 22, 2026 · Structure

Mercedes-benz usa. llc (mbusa) is recalling certain 2014-2020 c-class, cla, gla, s-class. glc, and gle vehicles. please refer to mbusa's recall report for specific vehicle details. the front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a…

C 300 4MATIC model years compared

YearRecallsComplaintsCrashesFires
2018 31200
2021 0100

All Mercedes-Benz C 300 4MATIC years →

Questions

Does the 2018 Mercedes-Benz C 300 4MATIC have any recalls?
Yes. NHTSA lists 3 recalls for the 2018 Mercedes-Benz C 300 4MATIC, the most recent reported on December 19, 2018 (Exterior lighting: headlights). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2018 Mercedes-Benz C 300 4MATIC?
Owners have filed 12 complaints with NHTSA. The most frequently reported area is structure (4 complaints), followed by unknown or other (3).
How many 2018 Mercedes-Benz C 300 4MATIC complaints mention a crash or fire?
0 of 12 complaints report a crash and 0 a fire; 0 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received August 28, 2026.