A Mercedes GLA that drops into neutral while driving is usually a slipping transmission: it cannot hold the gear because the fluid is low or burnt, a shift solenoid is faulty, or the clutch plates, bands or gears are worn. To fix it, check the transmission fluid level and condition first, read the fault codes with an …

The seven most common cold weather problems on a Mercedes GLA are frozen wipers, failed spark plugs, a weak or dead battery, an engine that will not start, low tire pressure, salt corrosion and frozen locks. To get the car going in sub-zero temperatures, crank for no more than 10 seconds at a time, wait a minute or two …

When the reverse camera on a Mercedes GLA stops working, the cause is usually small: a dirty lens, a frayed wire or loose connector, a blown fuse, or a display that is not getting power. Check them in that order. Only replace the camera once the display, wiring and fuses are ruled out. The GLA's camera sits by the …