In a memo to U.S. retailers obtained by Automotive Information, McLaren mentioned deliveries of its plug-in hybrid, the Artura, are delayed on common about 4 months because the British automaker institutes “enhanced testing procedures” to enhance high quality.

McLaren mentioned the measures present “extra checks and testing in our high quality management process.”

Spokesman Roger Ormisher confirmed the delay.

“To implement these high quality management procedures, we’ve got quickly slowed manufacturing,” he mentioned.

A McLaren retailer mentioned clients planning to take supply in Could can now count on to take action in September.

It is the newest setback for the Artura, initially scheduled to reach in fall 2020.

Buggy software program and provide chain delays pushed the gross sales begin to late final yr. Shortly after, defective nuts on high-pressure gasoline pipes triggered a recall.

The most recent hiccup is irritating some retailers. One mentioned a number of clients had canceled orders, postpone by Artura’s rocky launch.

The Artura is a crucial mannequin in McLaren’s pivot towards an all-electrified lineup by 2026. Challenges are partly associated to the brand new mannequin’s complexity.

It’s the first mannequin on the corporate’s light-weight carbon structure, the primary to characteristic a V-6 engine and the primary to supply a collection of superior driver-assistance applied sciences.

At a vendor assembly in April, McLaren’s new CEO Michael Leiters mentioned bettering product high quality and resale worth is a precedence for the model.

“It is about high quality, high quality, high quality,” a supply mentioned of the corporate’s message. “Ensuring the automobiles are excellent earlier than they depart the manufacturing facility.”