2021 model year · 175+ owner reports · Updated August 2026
According to Au7o's analysis of 175+ owner reports, the 2021 Renault Scenic has 2 documented known issues, with 1 rated critical. The most serious is Electric Parking Brake Failure ($300-$800 repair). Across all issues with published estimates, repair costs range from $100 to $800. DIY maintenance guides at au7o.io.
Don't see your problem? Describe your symptoms to get a diagnosis, or get a full repair guide.
According to Au7o's analysis of 175+ owner reports, the 2021 Renault Scenic has 2 documented issues. The most frequently reported are: Electric Parking Brake Failure, dCi Diesel Injector Copper Washer Leak. Of these, 1 is rated critical and should be addressed promptly.
The 2021 Renault Scenic has 2 known issues documented across 175+ owner reports. 1 issue is rated critical: Electric Parking Brake Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Renault Scenic issues range from $100 to $800, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Electric Parking Brake Failure, typically costs $300-$800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
The Scenic electric parking brake system is a well-known failure point, with the motor-on-caliper units seizing or the control module losing communication. The brake may apply unexpectedly or fail to release. Repairs typically run $300-$800. Severity: high.
Renault's K9K and M9R dCi diesel engines used in Scenic II/III/IV develop weeping injector seals as the copper crush washers fatigue with heat cycling. Diesel sweats around the injector body, often coating the head with soot/oil mix and seeping toward the head gasket fire ring. R… Repairs typically run $100-$500. Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
