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Mercedes-Benz S-Class S 300 BlueTEC HYBRID BE Edition Prestige common faults.

2013–2017, saloon, diesel, 204 HP.

The fault list covers: OM651DE22LA engine, MB7229 transmission.

What you save stays on this device only. My saves

6 fault write-ups. All are important. 19 recalls.

If you know the year, pick it. Faults for other years drop out of the list.

Before you buy

Known faults

6 important faults

critical2

OM651: the chain tensioner seal leaks and oil drips onto the exhaust

critical

The chain tensioner seal starts to leak and engine oil can drip onto the exhaust system. On the hot exhaust the oil can ignite.

Show the rest

The manufacturer issued a recall for it, covering more than 100,000 cars built between February and November 2014. The repair is free under the campaign. The visible signs are oil traces at the back of the engine and a burnt smell.

What to check

  • Look at the back of the engine from underneath: oil traces point at the tensioner seal
  • Smell the engine bay when warm: burnt oil has a telling smell
  • Look at the top of the exhaust: baked-on oil leaves a mark
2 more steps in the write-up

OM651: the sealing ring of the chain tensioner leaks and the chain can loosen

critical

The sealing ring of the chain tensioner starts to let through, and engine oil escapes at the tensioner. The cause is insufficient manufacturing tolerance of the sealing rings. Beyond the loss of oil the chain tensioner can also loosen, and in an extreme case the timing chain comes free, which means engine damage. A separate phenomenon is that on the early OM651 engines a shortcoming of the tensioner let the chain stretch prematurely, which typically caused serious engine damage. The maker revised the tensioner several times, so this mainly affects the older units. The maker issued a recall, for more than 100,000 cars in Germany and for 2,869 cars and 2,579 vans in Austria. The range is the four-cylinder diesel units built between February and November 2014. The classes affected are A, B, C, E, S, V, CLA, GLA, GLK, SLK, CLS, ML, GL, Vito, Viano and Sprinter. It also affects older cars that received a replacement engine or chain tensioner from that period. The repair is replacing the sealing ring, free of charge under the campaign, and takes 1.5 to 2.5 hours of workshop time. The visible sign is an oil trace at the rear of the engine.

What to check

  • Ask whether the recall has been carried out, and ask for the workshop confirmation
  • Start the engine cold and listen for a clacking or rattling noise
  • Listen to the chain on lifting off and on load changes as well
2 more steps in the write-up

expensive4

OM651 2.1/2.2 diesel: Delphi piezo injectors and rear timing chain

expensive

The Mercedes OM651 common rail diesel has two faults that are independent of each other.

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1) Delphi piezo injectors. According to the German technical press the fault affected the two more powerful versions (125 kW / 170 hp and 150 kW / 204 hp). The weaker versions got solenoid injectors and were not affected. The fault could show up as early as around 50,000 km: the engine drops into limp mode, power is limited, and the car can still be driven slowly. Because of supply shortages the maker at first replaced only the failed injector rather than all four, so some owners went back four times. Later they moved to replacing the full set. From spring 2011 every 220 CDI version got solenoid injectors; the 250 CDI kept piezo injectors throughout, in several revised versions.

2) Timing chain. The engine runs on gears plus a short simplex roller chain. Increased chain wear (typically caused by a faulty chain tensioner) shows up occasionally at higher mileage. The replacement is very labour intensive, because the chain sits on the rear of the engine, on the gearbox side. The labour is the bigger part of the bill.

In November 2014 the chain tensioner caused trouble again: it can release, and engine oil can leak. The maker recalled cars built between February and November 2014. If the car falls in that window, check that the campaign was carried out.

The water pump can leak too.

between 50,000 and 250,000 km

What to check

  • Check the power output first: the 125 kW (170 hp) and 150 kW (204 hp) versions are the piezo injector, higher risk group. The weaker ones got solenoid injectors
  • Ask whether the injectors were replaced, and how many: a partial replacement meant repeat workshop visits
  • Listen to the engine on a cold start: rough running, shaking, smoke; limp mode or limited power while driving
4 more steps in the write-up

7G-Tronic (722.9): mechatronics and conductor plate

expensive

In the Mercedes 7 speed 722.9 automatic (7G-Tronic / 7G-Tronic Plus) the mechatronics unit and the conductor plate (Leiterplatte) age over time: jerking on shifts, delayed engagement, a "Getriebe schützen" message, and fault codes on the gearbox electronics.

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The repair is typically replacing the mechatronics unit or the conductor plate together with an oil change: not the whole gearbox. The complaint is most common on the longitudinal platforms from around 2005 to 2015 (C/E/ML and the early GLC).

The 9G-Tronic (725.0) is a different design; this applies only to the 7G.

between 100,000 and 220,000 km

What to check

  • Try it cold and warm: a delayed 1 to 2 or 2 to 3 shift is suspect
  • Watch for the gearbox warning or the "Getriebe schützen" message on the dash
  • Ask for a fault code read on the gearbox controller (not just the engine codes)
1 more steps in the write-up

Airmatic air suspension: leaking air spring, overworked compressor

expensive

The Mercedes Airmatic system holds the ride height with air springs and electronically controlled dampers. The most common faults over time are the relay, the compressor and a leaking air spring or air line.

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The rear air springs of the 2003 to 2009 E-Class (W211) are particularly prone to leaking along the clamps. If the system leaks, the compressor runs continuously, overheats and fails, so an unrepaired leak takes the compressor with it.

Symptoms: one corner of the car sinks by morning, an "Air Suspension" or level control fault message, and compressor noise while standing. It was an option (or standard) across several generations from the W220 S-Class onwards; the estate E-Class often has air springs with level control on the rear axle as standard.

between 100,000 and 220,000 km

What to check

  • In the morning, before setting off, look at all four corners: an uneven stance means a suspected leak
  • With the car standing, listen to the compressor: continuous running indicates it is overworked
  • Ask for a fault code read on the suspension controller (level and pressure sensor codes of the C1132 / C1144 kind)
3 more steps in the write-up

OM651 diesel: contested defeat device, KBA authority recalls

expensive

The Stuttgart public prosecutor investigated the OM651 diesel on suspicion of an illegal defeat device (Abschalteinrichtung): the engine management returns better emission figures on the test bench than in real use. According to the German technical press the suspicion covered more than one million cars sold in Europe and the USA between 2008 and 2016.

Show the rest

For Germany the suspicion was confirmed in KBA recalls supervised by the authority:

  • KBA 8227: GLC 220d / GLC 250d, 06.2015 to 06.2018
  • KBA 8251, 8252, 8253, 8314: Vito 2.2 diesel, 09.2014 to 09.2016 (partly classed as M1 passenger cars, partly as N1 commercial vehicles)

The ADAC lists these on top: C 220d / C 250d and C 220 / C 250 BlueTEC (12.2013 to 05.2018), S 300 BlueTEC HYBRID / S 300 h (12.2013 to 09.2016), ML 250 BlueTEC (08.2011 to 06.2015), and possibly the GLE 250d. In October 2019 the KBA ordered a third recall as well.

A large share of the cars exported out of the German market come from exactly this group, and the paperwork does not show whether the software update was done. In most countries this alone does not take the car off the road, but it hurts the car's value and how easily you can sell it on.

After the update many owners report higher fuel consumption and worse drivability: you notice that while driving, not from the documents. And in March 2021 the Stuttgart regional court found deliberate, immoral conduct on the maker's part and awarded a C 220 buyer around 25,000 euro in damages (7 O 224/20).

What to check

  • Ask the franchised dealer, by VIN, whether the KBA recall (8227 / 8251 / 8252 / 8253 / 8314) applies to this car and whether it was carried out
  • On an imported car ask for the German service history: the software update is documented there
  • If it was carried out: watch the drivability on the test drive and ask about real fuel consumption, because the update can make both worse
2 more steps in the write-up

Checklist

Mercedes-Benz S-Class S 300 BlueTEC HYBRID BE Edition Prestige

First what you would check on any car. Then the faults of this model.

Before you buy

Checklist

The printed sheet starts with what you would check on any car. What you tick stays on this device only.

On every car

Ask the owner

Faults of this model

vinkodex.com · Before you buy it, see what can go wrong.

Official recall19 recallsShow

The manufacturer fixes these for free at a franchised dealer. Ask with the VIN whether it was done.

Most recent: 15 December 2023

23V854000STRUCTURE:BODY:ROOF AND PILLARSSTRUCTURE:BODY:ROOF AND PILLARS15 December 2023 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle.

Risk: A detached roof panel can become a road hazard, increasing the risk of a crash.

Remedy: Dealers will replace the front panel, free of charge. Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 21V-197.

The authority's notice

21V197000STRUCTURE:BODY:ROOF AND PILLARSSTRUCTURE:BODY:ROOF AND PILLARS19 March 2021 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.

Risk: The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.

Remedy: Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

The authority's notice

21V072000COMMUNICATIONCOMMUNICATION12 February 2021 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400, 2017 GLS450, S550, C300 Cabrio, and 2018-2019 S560 vehicles. On June 18, 2021, an additional 9 vehicles were added, including certain 2021 GLA250, GLC300, 2018 S450, E400, and 2017 CLA250 vehicles. The communication module might have been inadvertently deactivated during a service visit, which could have disabled the Emergency Call (eCall) function.

Risk: A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.

Remedy: MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030005.

The authority's notice

19V787000COMMUNICATIONCOMMUNICATION1 November 2019 · NHTSA (USA)

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf

Risk: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

Remedy: MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.

The authority's notice

17V816000LATCHES/LOCKS/LINKAGES:DOORS:LATCHLATCHES/LOCKS/LINKAGES:DOORS:LATCH18 December 2017 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 GLE400 4Matic, GLE350 4Matic, GLE350, GLE550e 4Matic, GLE43 AMG 4Matic, GLE63 AMG 4Matic, GLS450, GLE63S 4Matic, GLS63 4Matic, S550e, S600, S63 AMG 4Matic, S65 AMG, S550, Mercedes-Maybach S600, Mercedes-Maybach S550 4Matic, GLE43 AMG 4Matic Coupe, GLE63S 4Matic Coupe, 2017-2018 GLS550 4Matic, S550 4Matic, 2018 S450, and S63 AMG 4Matic vehicles. The rear passenger door on the driver side may indicate that it is locked, when it may not be. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 206, "Door Locks and Door Retention Components."

Risk: If the door appears to be locked, the door may be unintentionally opened, increasing the risk of injury.

Remedy: MBUSA will notify owners, and dealers will inspect the left rear door lock, replacing it as necessary, free of charge. The recall is expected to begin in January 2018. Owners may contact MBUSA customer service at 1-877-496-3691.

The authority's notice

17V714000STEERING:ELECTRIC POWER ASSIST SYSTEMSTEERING:ELECTRIC POWER ASSIST SYSTEM14 November 2017 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 E300, S65 AMG Coupe, S550, S65 AMG Cabriolet, S550 Cabriolet, S550e, S65 AMG, and Mercedes-Maybach S600 vehicles. A transistor within the power steering control unit may overheat resulting in the power steering system being disabled.

Risk: If the power steering assist is unexpectedly disabled, it may increase the risk of a crash.

Remedy: MBUSA will notify owners, and dealers will inspect the steering rack, replace it as necessary, free of charge. The recall is expected to begin in January 2018. Owners may contact MBUSA customer service at 1-877-496-3691.

The authority's notice

17V251000SEAT BELTS:PRETENSIONERSEAT BELTS:PRETENSIONER11 April 2017 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 C300, C300 4Matic, C300 Coupe, C300 Coupe 4Matic, C43 AMG, C43 AMG Coupe, C43 AMG Cabrio, C63 AMG, C63 AMG Coupe, C63S AMG, C63S AMG Coupe, C63S Cabrio, GLC300, GLC300 4Matic, GLC43 AMG, S550, S550 4Matic, S550e, S600, S63 AMG 4Matic, S65, Mercedes-Maybach S550 4Matic, and Mercedes-Maybach S600 vehicles. The affected vehicles have front seat seatbelt pretensioners that may not function properly in the event of a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection," and 209, "Seat Belt Assemblies."

Risk: If the front seat seatbelt pretensioners do not function properly, the seat occupants may not be adequately restrained in the event of a crash, increasing the risk of injury.

Remedy: MBUSA will notify owners, and dealers will replace the front seat belts, free of charge. The recall began October 13, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

The authority's notice

16V829000SEAT BELTSSEAT BELTS16 November 2016 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016-2017 S63 AMG Coupe, S65 AMG Coupe, S550 Coupe 4Matic, S63 AMG 4Matic Convertible, and S550 Convertible vehicles manufactured June 29, 2015, to March 15, 2016. The seat belt extenders on the affected vehicles may not retract as intended and may potentially break the event of a crash.

Risk: In the event of a crash, if the seat belt extender does not retract and/or the extender breaks, the seat occupant may not be properly restrained, increasing their risk of injury.

Remedy: MBUSA will notify owners, and dealers will update the control unit software, free of charge. The recall is expected to begin in mid-December 2016. Owners may contact MBUSA customer service at 1-800-367-6372.

The authority's notice

16V760000EXTERIOR LIGHTING:HEADLIGHTSEXTERIOR LIGHTING:HEADLIGHTS20 October 2016 · NHTSA (USA)

Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016-2017 S550 Coupe 4MATIC, S63 AMG Coupe 4MATIC, S65 AMG Coupe and S63 AMG Convertible 4Matic vehicles manufactured September 3, 2015, to February 4, 2016. The low beam headlights on the affected vehicles may not be properly adjusted. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."

Risk: If the low-beam headlights are out of adjustment, the driver's visibility may be reduced, increasing the risk of a crash.

Remedy: MBUSA will notify owners, and dealers will inspect and correct the headlight adjustment, as necessary, free of charge. The recall is expected to begin in November 2016. Owners may contact MBUSA customer service at 1-800-367-6372.

The authority's notice

A12/00017/22Safety recallFireno date · EU Safety Gate

A trapped particle may damage the sealing between the fuel rail and fuel injector, which could cause fuel to leak into the engine compartment. Consequently, leaking fuel may come into contact with hot parts of the engine, increasing the risk of fire. The product does not comply with the requirements laid down in the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/00045/22Safety recallFireno date · EU Safety Gate

The vacuum-controlled coolant pump may not be tightly sealed between the coolant and vacuum circuits. This may result in the coolant leaking into the vacuum circuit leading to an electrochemical reaction, increasing the risk of fire. The product does not comply with the requirements laid down in the Regulation on the approval and market surveillance of Motor Vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/00185/23Safety recallInjuriesno date · EU Safety Gate

The aluminium bolts of the steering box may break. This can lead to detachment of the steering box from the power block, creating a risk of an accident. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/00923/20Safety recallInjuriesno date · EU Safety Gate

The material used in two closure plugs on the engine might not be able to withstand the maximum load under dynamic driving conditions, allowing up to 9 liters of engine oil to escape around the plugs. Consequently, the escaped oil could leak onto the road, posing a risk to the following traffic.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/0096/18Safety recallInjuriesno date · EU Safety Gate

In the event of a crash, the disconnection of the power supply by the pyrofuse prevents the automatic unlocking of the doors and the operation of other safety features. This could increase the risk of injury for the occupants.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/0626/17Safety recallInjuriesno date · EU Safety Gate

The propellant mixing ratio in certain seat-belt pre-tensioner igniters may be incorrect. As a result, in the event of an accident where the front seat-belt pre-tensioners are activated, the pre-tensioners would not provide the restraint performance required if the igniter did not ignite as intended. This could put the occupants at a greater risk of injury.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/1092/17Safety recallFireno date · EU Safety Gate

Poorly installed electrical system wiring in the passenger compartment could lead to a short-circuit and fire.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/1153/18Safety recallFire, Injuriesno date · EU Safety Gate

On certain vehicles, the nuts to attach the conductor rails inside the fuse box in the boot may not have been installed. This could lead to increased contact resistance between the conductor rails and, as a consequence, cause a fire or failure in the engine functioning, seat belt functions and the dashboard, leading to an increased risk of accident and injury.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/1498/17Safety recallInjuriesno date · EU Safety Gate

In the event of an accident involving the deployment of the driver airbag, the airbag might fail to open as intended, thus increasing the risk of injury to the driver.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

A12/1794/19Safety recallInjuriesno date · EU Safety Gate

The fixing screw connecting the base holder of the manual control device may not be correctly fitted. This can impair the control over the vehicle, increasing the risk of an accident.

Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown

The authority's notice

Engine and transmission

OM651DE22LA · Viano 2.0 CDI BlueEFFICIENCY (4MATIC)

100–150 kW (136–204 HP) · diesel

MB7229 · 7G-Tronic / 7G-Tronic Plus, longitudinal (Mercedes 722.9 / NAG2)

automatic · 7 speed

Torque limit700 Nm
MakerMercedes-Benz

We built the code from the model and the gear count. The factory sheet does not state it.

Variant data

What is in this version

Factory data

Trim
S 300 BlueTEC HYBRID BE Edition Prestige
Body
saloon
Fuel
diesel
Transmission
automatic
Engine size
2143 cc
Power
150 kW (204 HP)
Drive
RWD
Production
2013–2017

Factory service interval

The manufacturer specifies this for this version. Of the mileage and the time, the one that comes first is the one that counts.

  • Air filter

    • 60,000 km or 4 years

  • Cabin (pollen) filter

    • 30,000 km or 2 years

  • Brake fluid change

    • first: 3 years, then 2 years(first change at 3 years, then every two years)

  • Fuel filter, diesel

    • 60,000 km or 2 years
All W222 versions

Information, not an expert opinion

We write the descriptions, and we put the source next to them. A person reviews them before they go out. They are still information, not a technical expert opinion.

  • A fault on the list does not mean the car you are looking at has it.
  • A fault missing from the list does not mean the model is fault-free. Write-ups are made model by model. Not all of them are done.
  • You decide whether to buy. This is no substitute for an inspection. That needs a workshop and a history check.
Details in the terms