2012 Mercedes-Benz GLK350 service bulletins & manufacturer communications
60 manufacturer communications are on file with NHTSA for the 2012 Mercedes-Benz GLK350. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 58Warranty extension 2
- Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of trave…LI35.30-P-058566 · Technical service bulletin · Power Train · issued Jul 14, 2026
- Complaint Potential corrosion on the rear axle carrier Cause Due to market-specific conditions such as moisture, ingress of dirt and/or environmental influences, corrosion can occu…LI35.10-P-078931 · Technical service bulletin · Suspension · issued May 13, 2026
- Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearin…LI33.20-P-078406 · Technical service bulletin · Suspension · issued May 12, 2026
- Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearin…LI33.20-P-078406 · Technical service bulletin · Suspension · issued Apr 17, 2026
- Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to a…LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Apr 16, 2026
- Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to an…LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Mar 9, 2026
- Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, …LI82.10-P-078307 · Technical service bulletin · Exterior Lighting · issued Feb 25, 2026
- Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to an…LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Feb 24, 2026
- Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, …LI82.10-P-078896 · Technical service bulletin · Exterior Lighting · issued Feb 24, 2026
- Complaint Commissioning not possible after replacement of TRANSMISSION 722.9 or of electrohydraulic controller unit (EHS) or of repair kit controller unit (VGS). Cause The wrong ol…LI27.19-P-074985 · Technical service bulletin · Electrical System · issued Jul 16, 2025
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (…LI33.30-P-056665 · Technical service bulletin · Power Train · issued May 21, 2025
- Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, …LI82.10-P-078896 · Technical service bulletin · Exterior Lighting · issued Apr 28, 2025
- Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to an…LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Apr 28, 2025
- Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during …LI82.70-P-077433 · Technical service bulletin · Electrical System · issued Mar 5, 2025
- Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (…LI33.30-P-056665 · Technical service bulletin · Power Train · issued Jan 16, 2025
- Complaint Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick test and/or no communication possible with VGS. Cause Transmission…LI27.19-P-072588 · Technical service bulletin · Power Train · issued Nov 20, 2024
- Complaint Washer fluid system leaks Cause Various possible causes: 1. Washer fluid reservoir itself. 2. Seal on washer fluid pump/washer fluid reservoir. 3. Washer fluid pump. 3.1.…LI82.35-P-078467 · Technical service bulletin · Structure · issued Oct 23, 2024
- Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during …LI82.70-P-077433 · Technical service bulletin · Electrical System · issued Sep 28, 2024
- Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, …LI82.10-P-078307 · Technical service bulletin · Exterior Lighting · issued Sep 21, 2024
- Complaint Headlamps fogged or droplets forming. Cause Due to its outlet openings, the headlamp is an "open system". This means that acidic gases, moisture, dirt and exhaust gases c…LI82.10-P-078302 · Technical service bulletin · Exterior Lighting · issued Sep 10, 2024
- Complaint Headlamp or front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to …LI82.10-P-078301 · Technical service bulletin · Exterior Lighting · issued Sep 10, 2024
- Complaint Rear lamps fogged up/not leaktight. Cause Fogging of the rear lamps is a natural phenomenon, which can occur under certain climatic conditions. This does not lead to any …LI82.10-P-078069 · Technical service bulletin · Exterior Lighting · issued Jul 23, 2024
- As previously reported, to enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has …NCU - 24240304 · Technical service bulletin · Structure · issued Mar 12, 2024
- Crease formation on genuine leather seat covers in vehicles with low mileage â ¢ Objects left on the seats for extended periods of time (pressure marks). â ¢ Objects wedged b…LI91.18-P-077075 · Technical service bulletin · Seats · issued Dec 4, 2023
- Mercedes-Benz USA, LLC (MBUSA) has extended the warranty for the rear subframe on the vehicles listed below, from the original New Vehicle Limited Warranty of 4 years/50,000 miles …CL-ELWSubframe · Technical service bulletin · Equipment · issued Mar 31, 2023
- Mercedes-Benz USA, LLC (MBUSA) has extended the warranty for the rear subframe on the vehicles listed below, from the original New Vehicle Limited Warranty of 4 years/50,000 miles …ELW-RearSubframe · Technical service bulletin · Equipment · issued Mar 10, 2023
- Mercedes-Benz USA, LLC (MBUSA) has extended the warranty for the rear subframe on the vehicles listed below, from the original New Vehicle Limited Warranty of 4 years/50,000 miles …ELW-RearSubframe · Technical service bulletin · Structure · issued Feb 10, 2023
- Mercedes-Benz USA, LLC will provide an Extended Modification Warranty for each vehicle that has received the Approved Emission Modification. The Extended Modification Warranty peri…EW - BlueTEC Update · Warranty extension · Engine · issued Oct 5, 2021
- After starting the engine, the instrument cluster shows the "EBD not available, diagnosis/test stand" message in yellow.LI4245P073405 · Technical service bulletin · Engine and Engine Cooling · issued Aug 2, 2021
- This NCU replaces the prior NCUs issued on May 18, June 25, 2020 and October 1, 2020 and contains important workshop instructions on how the HVAC Service Warranty repair must be ca…EW - HVAC Service · Warranty extension · Visibility/wiper · issued Oct 29, 2020
- To enhance the satisfaction of our customers, avoid further costs of litigation and return focus to its core businesses, Mercedes-Benz USA, LLC (MBUSA) has entered into a settlemen…NCU - HVAC Warra · Technical service bulletin · Equipment · issued May 21, 2020
- Ticking or pulsing noise from high-pressure pump and/or fuel injectors.LI0702P0547173 · Technical service bulletin · Engine and Engine Cooling · issued Nov 14, 2016
- Headlamps fogged.LI8210P0647661 · Technical service bulletin · Exterior Lighting · issued Aug 26, 2016
- Additional information around the recent recall announcement affecting approximately 705,983 Mercedes-Benz passenger vehicles involving Takata driver-side airbags containing PSDl-5…TakataRecall · Technical service bulletin · Air Bags · issued Feb 26, 2016
- Recall Campaign announcement for Takata driver airbags.RecallUpdate · Technical service bulletin · Air Bags · issued Feb 11, 2016
- Engine noises after engine startLI05.10-P-049909 · Technical service bulletin · Engine and Engine Cooling · issued Jun 9, 2015
- Engine diagnosis warning lamp lights up in instrument cluster, fault code U145400: "Implausible data were received from the ethanol sensor"LI07.08-P-060993 · Technical service bulletin · Engine · issued Mar 25, 2015
- Xentry (mercedes): after engine has started, several issues occurs, an acoustic warning sounds is heard, the instrument cluster displays warning message power steering malfunction,…LI46-35P059241 · Technical service bulletin · Steering · issued Jun 20, 2014
- Passenger side wiper arm strikes vent grille of water collectorLI82.30-P-058874 · Technical service bulletin · Visibility · issued Apr 10, 2014
- ESP warning message in instrument cluster. One of the fault codes C219700 or 630900 is logged in the ESP control unit (N30/4).LI30.20-P-058689 · Technical service bulletin · Electrical System · issued Mar 13, 2014
- Xentry (mercedes): in the instrument cluster, an esp warning due to implausible accelerator pedal signal received from engine control unit. Model 2012 172, 212, 218, 207, 204. *peLI-30-20P058689 · Technical service bulletin · Engine · issued Mar 13, 2014
- Xentry (mercedes): the fuse and relay boxes (srb) in engine compartment or rear compartment has a malfunction and disruptions to communication paths causing a no start in vehicle. …LI54-15-P057373 · Technical service bulletin · Electrical System · issued Feb 28, 2014
- Blind Spot Assist inoperative.LI54.71-P-056477 · Technical service bulletin · Lane Departure · issued Feb 25, 2014
- Engine diagnosis warning lamp lights up. The fault code (FC) P0101FA or P0101Fb or P0101FC is logged in the engine control unit.LI07.07-P-058244 · Technical service bulletin · Engine and Engine Cooling · issued Feb 14, 2014
- This Customer 1 Action has been initiated because certain mbrace subscribers were recently contacted by mbrace informing them that they need to have an i-button call performed to e…C1A140101 · Technical service bulletin · Equipment · issued Feb 11, 2014
- Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual"GI88.40-P-057430 · Technical service bulletin · Equipment · issued Feb 3, 2014
- This Service Campaign has been initiated because Daimler AG (DAG), the manufacturer of Mercedes-Benz vehicles, has determined that the mbrace software does not correspond to curren…S-SC- 2013090008 · Technical service bulletin · Electrical System · issued Feb 1, 2014
- Mercedes: the information, on some vehicles, regarding spare tire size on the b-pillar tire pressure label, is incorrect and needs to be checked and if necessary, replaced. Model 2…SC-2012070005A · Technical service bulletin · Tires · issued Sep 1, 2013
- The COMAND unit does not start or the display remains dark.LI8285P055695 · Technical service bulletin · Electrical System · issued Aug 5, 2013
- "Metadata loss- Please reimport all media data".LI8285P053927 · Technical service bulletin · Electrical System · issued Aug 5, 2013
- Mobile phone cotacts are not transferred completely.LI8270P055572 · Technical service bulletin · Electrical System · issued Aug 5, 2013
- Window lifter and outside mirror on passenger side malfunction after replacement of door control unit.LI7240P056909 · Technical service bulletin · Vehicle Speed Control · issued Jul 30, 2013
- Shift quality complaints and/or automatic transmission in limp-home mode in combination with one or more of the following fault codes: P060600, P072200, P072300, P072364, P072900, …LI27.50-P-056467 · Technical service bulletin · Power Train · issued Jul 26, 2013
- Outside mirror fogged.LI8870P056690 · Technical service bulletin · Visibility · issued Jul 3, 2013
- Combination message: "Clean fuel filter" is displayed. The fault code 162500 (water level message - Bosch) or P226997 (water level message - Delphi) or 171600 (filter load - Bosch)…LI47.20-P-054958 · Technical service bulletin · Fuel System, Gasoline · issued Jul 1, 2013
- Mercedes: due to production issue, the seam seal will be applied to both the right and left rocker panels, that were missing. Models 2012 204 (glk350). *peSC-2013010003 · Technical service bulletin · Structure · issued Jan 1, 2013
- Mercedes (xentry): when engine switches to unit protection function (limp-home mode), set too conservatively, causes vehicle to have reduced or no power, intermittently, and softwa…LI18-30P-054921 · Technical service bulletin · Engine · issued Oct 31, 2012
- Xentry (mercedes): an internal issue with electronic steering lock is causing a failure of no cranking, intermittent no crank or no start and warning icons will not illuminate in i…LI80-57-P051521 · Technical service bulletin · Steering · issued Sep 24, 2012
- Xentry (mercedes): after ignition is off, rotary light switch sends wrong signal due to battery discharged and vehicle not starting. Model e350,550,63, c300,350,63,250, glk350. No …LI54-10-P054089 · Technical service bulletin · Electrical System · issued Sep 13, 2012
- Mercedes: due to having engine misfire and high primary current from uncontrolled charging and discharging of ignition coils, the eight ignition coils will be replaced. Models 2012…SB-2012080001 · Technical service bulletin · Electrical System · issued Sep 1, 2012