The GLA models in Taiwan are 180, 200, 200CDI, 45 AMG. The owner' manual is in Chinese. The maintenance period is every 8000KM. I doubt the local car dealer shortens maintenance perio for more service business. But I could not find M-B original owner manual of GLA 180/200 in English specifies maintenance period. I would guess 10000miles in USA. Can anyone advise official maintenance period of GLA?