Mercedes-Benz GLK350 structural cracks and noise from auxiliary transmission fluid pump not yet repaired on Mercedes-Benz GLK350

Some Mercedes-Benz GLK350 owners report experiencing issues such as structural cracks, auto-up side windows malfunctioning, wind noise, NOx sensor problems, ticking sounds from the engine, and transfer case failures. Additionally, while noise from the auxiliary transmission fluid pump is not specifically highlighted, some owners have reported common transmission issues that may be related. Given the complexity of these problems, it is recommended that owners have their vehicles inspected by a qualified mechanic or an authorized Mercedes-Benz service center to properly diagnose and address these concerns.