You're likely right. Here's a site that lists the vehicles used on the specific route mentioned a few days ago [1] and now [2]. All the ones starting Me appears

You're likely right. Here's a site that lists the vehicles used on the specific route mentioned a few days ago [1] and now [2]. All the ones starting Me appears to be Metrodecker's (click through the vehicle number). Notice how they've been replaced by "SE" (which appears to be ADL Environ200's) and others. https://bustimes.org/services/200-raynes-park-wimbledon-mitcham/vehicles?date=2024-01-10 https://bustimes.org/services/200-raynes-park-wimbledon-mitc... https://bustimes.org/services/200-raynes-park-wimbledon-mitcham/vehicles?date=2024-01-14 https://bustimes.org/services/200-raynes-park-wimbledon-mitc...