Shuchen Yue v. Mercedes-Benz USA, LLC

District Court, N.D. California·Decided June 3, 2026·No. 5:25-cv-11115·Unknown

Opinion

SHUCHEN YUE, Case No. 5:25-cv-11115-EJD

Plaintiff, ORDER GRANTING MOTION TO AMEND COMPLAINT AND TO v. REMAND

Re: ECF No. 12 Defendant.

Plaintiff Shuchen Yue brings this action against Defendant Mercedes-Benz USA (“MBUSA”) for violations of the Song-Beverly Act, breach of express warranty, and breach of the implied warranty of merchantability. Compl., ECF No. 1-1. Before the Court is Plaintiff’s motion under 28 U.S.C. § 1447(e) to amend the complaint to join a non-diverse defendant and remand the action to state court. Plaintiff’s Motion for Leave to Amend and Motion to Remand (“Mot.”), ECF No. 12. Defendant did not file an opposition. The parties appeared before the Court for a motion hearing on March 12, 2026. ECF No. 21. For the reasons explained below, the Court GRANTS Plaintiff’s motion to amend the complaint and to remand the action to state court. Plaintiff Yue alleges that on June 23, 2024, he purchased a 2021 Mercedes-Benz GLE from Defendant MBUSA in Walnut Creek, California. Mot. at 3. The car came with an express written warranty which provided that, should a defect arise, MBUSA or one of its authorized representatives would fix the defect or provide compensation. Id. Plaintiff alleges that the car developed defects during the warranty period and that MBUSA and its representatives, including Fletcher Jones Motor Cars, Inc. (“FJMC”) did not repair it. Id. Plaintiff further alleges that MBUSA has neither replaced the car nor compensated Plaintiff. Id. On November 21, 2025, Plaintiff sued in Santa Clara County Superior Court for violations of the Song-Beverly Act, breach of express warranty, and breach of the implied warranty of merchantability. Compl. On December 31, 2025, Defendant MBUSA removed to federal court under 28 U.S.C. § 1332. Notice of Removal, ECF No. 1. Plaintiff has filed a motion for leave to amend his complaint to add FJMC, an authorized dealership that Plaintiff alleges failed to repair his car. Plaintiff’s proposed First Amended Complaint (“FAC”) adds a cause of action alleging negligent repair and/or diagnosis against FJMC. Proposed FAC, ECF No. 12-8 at 9. FJMC is in Fremont, California, so adding FJMC as a defendant would destroy diversity and deprive the Court of jurisdiction over this case. A. Legal Standard Generally, motions to amend a complaint to add new parties are governed by Rule 15 of the Federal Rules of Civil Procedure. Rule 15 mandates that leave to amend be freely granted whenever justice requires. However, Rule 15 does not apply in situations where—as here—“a plaintiff amends her complaint after removal to add a diversity destroying defendant.” Greer v. Lockheed Martin, No. 10-cv-1704-JF (HRL), 2010 WL 3168408, at *4 (N.D. Cal. Aug. 10, 2010). When a plaintiff seeks to amend her complaint to add a diversity-destroying defendant, 28 U.S.C. § 1447(e) governs the analysis. That statute reads, “If after removal the plaintiff seeks to join additional defendants whose joinder would destroy subject matter jurisdiction, the court may deny joinder, or permit joinder and remand the action to the State court.” 28 U.S.C. § 1447(e). B. Discussion When deciding whether to permit joinder under 28 U.S.C. § 1447(e), courts consider five factors: (1) whether the new defendant(s) should be joined under Rule 19(a) as “needed for just adjudication”; (2) whether the statute of limitations would preclude an original action against the new defendants in state court; (3) whether there has been unexplained delay in requesting joinder; (4) whether joinder is intended solely to defeat federal jurisdiction; (5) whether the claims against the new defendant appear valid; and (6) whether denial of joinder will prejudice the plaintiff. Palestini v. Gen. Dynamics Corp., 193 F.R.D. 654, 658 (S.D. Cal. 2000). The Court considers each factor in turn. 1. Whether Joinder is Necessary for Just Adjudication This factor is met when “failure to join will lead to separate and redundant actions,” but it is not met when “defendants are only tangentially related to the cause of action or would not prevent complete relief.” Forward-Rossi v. Jaguar Land Rover N. Am., LLC, No. 2:16-CV- 00949-CAS-KSX, 2016 WL 3396925, at *3 (C.D. Cal. June 13, 2016). This is a less restrictive standard than the required joinder of parties under Rule 19. IBC Aviation Servs., Inc. v. Compania Mexicana de Aviacion, S.A. de C.V., 125 F. Supp. 2d 1008, 1012 (N.D. Cal. 2000). Plaintiff argues that the proposed joinder of FJMC meets this lenient standard. The Court agrees. In Forward-Rossi, the plaintiff sued her vehicle’s manufacturer for violations of the express and implied warranties and the Song-Beverly Act. Forward-Rossi, 2016 WL 3396925. She later sought to add the dealership that attempted to repair her car. The court found that since “[a]ll of the claims asserted against [the manufacturer] and [the dealership] involve the same vehicle, the same alleged defects in that vehicle, and the same lengthy and, ultimately, unsuccessful attempt to repair that vehicle,” their resolution would require the same documents and witnesses and turn on the same factual and legal questions. Id. at *3. Joinder was thus necessary for just adjudication of the claims. Here, the facts are nearly identical to those in Forward-Rossi. The claims asserted against MBUSA and FJMC involve the same car, the same alleged defects, and the same attempts to repair the car. FJMC is not merely “tangentially related” to the existing claims against MBUSA— it participated in the conduct that gave rise to Plaintiff’s claims against MBUSA. This factor weighs in favor of granting Plaintiff leave to amend. 2. Statute of Limitations The second factor courts consider is whether the statute of limitations would preclude an original action against the new party in state court. “The Song-Beverly Act does not include its own statute of limitations.” Mexia v. Rinker Boat Co., Inc., 174 Cal. App. 4th 1297, 1305–06 (2009). Instead, “the statute of limitations for an action for breach of warranty under the Song-Beverly Act is governed by . . . the Uniform Commercial Code: section 2725.” Id.; see also Jensen v. BMW of North America, Inc., 35 Cal. App. 4th 112, 132 (1995). Under Section 2725, “[a]n action for breach of any contract for sale must be commenced within four years after the cause of action has accrued,” and “a cause of action accrues when the breach occurs, regardless of the aggrieved party’s lack of knowledge of the breach.” Cal. Com. Code. § 2725. Here, Plaintiff purchased the vehicle on June 23, 2024, and brought suit on November 21, 2025. This puts Plaintiff’s claims well within the statute of limitations. This factor weighs in favor of granting leave to amend. 3. Unexplained Delay “When determining whether to allow amendment to add a nondiverse party, courts consider whether the amendment was attempted in a timely fashion.” Clinco v. Roberts, 41 F. Supp. 2d 1080, 1083 (C.D. Cal. 1999). Here, Plaintiff filed his motion to amend only one month after the case was removed to federal court. This delay is “not unreasonable und

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Shuchen Yue v. Mercedes-Benz USA, LLC, (N.D. Cal. 2026).

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