2012 Mercedes-Benz GLK300 Service and Repair Manual

This factory service and repair manual for the 2012 Mercedes-Benz GLK300 serves the 4-door sport utility in Base trim, which is listed with more than one engine. Two gasoline V6 engines appear for this year. The smaller is 3.0L, or 183 cubic inches; the larger is 3.5L, or 213 cubic inches. Both use dual overhead cams without a turbocharger or supercharger.

Engines covered

• 3.0L V6 (183 cu in) — DOHC, naturally aspirated, gasoline
• 3.5L V6 (213 cu in) — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sport utility

Trims covered

• Base

Known issues on the 2012 GLK300. Service on this sport utility starts with the V6 in the engine bay, whether it is the 3.0L or the 3.5L. The manual carries procedures for both, along with specifications and torque values, and pairs them with wiring diagrams and diagnostics for engine and electrical faults on the Base model.