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  • New Listing
    $25,998
    fair price
    $347 above market
    • 65,400 miles
    • 1 accident, 2 owners, corporate fleet vehicle
    • 23 City / 32 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from CA to CT*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Buena Park, CA / 2,505 miles away from Middletown, CT

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    26 Combined MPG (23 City/32 Highway)

    Listing Information:

    VIN: W1KZF8DB0LA825704
    Stock: 27479347
    Certified Pre-Owned: No

  • $56,459
    great price
    $12,495 below market
    • 7,516 miles
    • No accidents, 1 owner, personal use
    • 24 City / 33 Hwy MPG
    • Morong Falmouth Mazda (194 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Falmouth, ME / 194 miles away from Middletown, CT

    2024 Mercedes-Benz E-Class E 350 4MATICREMAINDER OF FACTORY WARRANTY, GOOD TIRES, GOOD BRAKES, NAVIGATION GPS, BLUE TOOTH HANDS FREE, LANE MONITOR ASS...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    27 Combined MPG (24 City/33 Highway)

    Listing Information:

    VIN: W1KLF4HB2RA012107
    Stock: F51529A
    Certified Pre-Owned: No
    Listed since: 04-22-2025

    • 28,058 miles
    • No accidents, 2 owners, personal use only
    • 22 City / 30 Hwy MPG
    • Brogan Cadillac (93 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Totowa, NJ / 93 miles away from Middletown, CT

    Introducing the 2020 Mercedes-Benz E 350 4MATIC Sedan, a stunning blend of luxury, performance, and cutting-edge technology. Dressed in a sophisticate...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    25 Combined MPG (22 City/30 Highway)

    Listing Information:

    VIN: W1KZF8EB1LA833311
    Stock: UC4884A
    Certified Pre-Owned: No
    Listed since: 05-29-2025

  • New Listing
    $43,590
    great price
    $3,997 below market
    • 22,249 miles
    • No accidents, 2 owners, personal use
    • 21 City / 30 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Charlotte, NC / 621 miles away from Middletown, CT

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: Yes

    Features and Specs:

    24 Combined MPG (21 City/30 Highway)

    Listing Information:

    VIN: W1KZF8EB7PB174764
    Stock: 2003635634
    Certified Pre-Owned: No
    Listed since: 04-21-2025

    • 6,573 miles
    • No accidents, 1 owner, personal use
    • Kelly INFINITI (111 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Danvers, MA / 111 miles away from Middletown, CT

    Extra Clean, LOW MILES - 6,573! JUST REPRICED FROM $92,990, $900 below J.D. Power Retail! MANUFAKTUR Moonlight White Magno exterior and Black interior...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: W1KLF6DB7SA101176
    Stock: I250026A
    Certified Pre-Owned: No
    Listed since: 06-02-2025

    • 28,478 miles
    • No accidents, 3 owners, personal use
    • 23 City / 32 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from CA to CT*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Irvine, CA / 2,498 miles away from Middletown, CT

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    26 Combined MPG (23 City/32 Highway)

    Listing Information:

    VIN: WDDZF8DB0LA744072
    Stock: 27504824
    Certified Pre-Owned: No

    • 99,869 miles
    • No accidents, 3 owners, corporate fleet vehicle
    • 22 City / 30 Hwy MPG
    • Stateline Auto Brokers (71 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Attleboro, MA / 71 miles away from Middletown, CT

    Get ready to turn heads in this sleek and stylish Red 2020 Mercedes-Benz E-Class. Powered by a 2.0L Inline-4 Turbo engine with an Engine Auto Stop-Sta...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    25 Combined MPG (22 City/30 Highway)

    Listing Information:

    VIN: WDDZF8EB1LA733192
    Stock: 006395
    Certified Pre-Owned: No

    • 29,400 miles
    • No accidents, 1 owner, personal use
    • 6cyl automatic
    • Brian's Auto Center (123 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Manasquan, NJ / 123 miles away from Middletown, CT

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    22 Combined MPG (19 City/26 Highway)

    Listing Information:

    VIN: W1K1K6JB5LF132325
    Stock: GR2
    Certified Pre-Owned: No
    Listed since: 04-24-2025

  • $30,888
    great price
    $5,334 below market
    • 23,254 miles
    • No accidents, 1 owner, personal use
    • 22 City / 30 Hwy MPG
    • Car Castle (79 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Bellerose, NY / 79 miles away from Middletown, CT

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    25 Combined MPG (22 City/30 Highway)

    Listing Information:

    VIN: W1KZF8EB7MB000401
    Stock: UC1620
    Certified Pre-Owned: No
    Listed since: 05-06-2025

    • 38,484 miles
    • No accidents, 1 owner, personal use
    • 6cyl automatic
    • Hillside Auto Mall (83 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Jamaica, NY / 83 miles away from Middletown, CT

    SO YOUR LOOKING AT THIS VEHICLE, WELL KEEP READING, WE HAVE ALL BEST OPTIONS OF FINANCING AVAILABLE FOR YOU TO BE APPROVED. NO CREDIT, BAD CREDIT, STU...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    22 Combined MPG (19 City/26 Highway)

    Listing Information:

    VIN: W1K1J6JB8LF142110
    Stock: 142110
    Certified Pre-Owned: No
    Listed since: 02-21-2024

  • New Listing
    • 30,746 miles
    • No accidents, 1 owner, personal use only
    • 20 City / 28 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from CA to CT*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Riverside, CA / 2,472 miles away from Middletown, CT

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    23 Combined MPG (20 City/28 Highway)

    Listing Information:

    VIN: W1KZF6JB5LA808521
    Stock: 27593541
    Certified Pre-Owned: No

  • $63,004
    great price
    $7,666 below market
    • 7,041 miles
    • No accidents, 1 owner, personal use
    • 24 City / 33 Hwy MPG
    • Mercedes-Benz of Rockville Centre (80 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Rockville Centre, NY / 80 miles away from Middletown, CT

    Boasts 33 Highway MPG and 24 City MPG! This Mercedes-Benz E350W4 boasts a Intercooled Turbo Gas/Electric I-4 2.0 L/122 engine powering this Automatic ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    27 Combined MPG (24 City/33 Highway)

    Listing Information:

    VIN: W1KLF4HBXRA029026
    Stock: CVP_RA029026
    Certified Pre-Owned: No
    Listed since: 09-28-2024

  • New Listing
    • 40,589 miles
    • No accidents, 3 owners, personal use
    • 23 City / 32 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Sacramento, CA / 2,556 miles away from Middletown, CT

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    26 Combined MPG (23 City/32 Highway)

    Listing Information:

    VIN: WDDZF8DB4LA742325
    Stock: 2003779654
    Certified Pre-Owned: No
    Listed since: 06-03-2025

  • New Listing
    • 52,778 miles
    • No accidents, 1 owner, personal use only
    • 23 City / 32 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from GA to CT*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Roswell, GA / 819 miles away from Middletown, CT

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    26 Combined MPG (23 City/32 Highway)

    Listing Information:

    VIN: WDDZF8DB5LA710788
    Stock: 27291694
    Certified Pre-Owned: No

    • 59,921 miles
    • 1 accident, 3 owners, personal use only
    • 15 City / 21 Hwy MPG
    • Giordano Auto Sales (88 mi away)
    • AWD/4WD
    • Leather Seats
    • Power Driver Seat
    • Multi-Zone Climate C...
    • Auto Climate Control
    Close

    Located in Hasbrouck Heights, NJ / 88 miles away from Middletown, CT

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/21 Highway)

    Listing Information:

    VIN: WDBJF83J12X069438
    Stock: 069438
    Certified Pre-Owned: No

    • 232,310 miles
    • 2 accidents, 5 owners, personal use only
    • 15 City / 21 Hwy MPG
    • Giordano Auto Sales (88 mi away)
    • AWD/4WD
    • Leather Seats
    • Power Driver Seat
    • Multi-Zone Climate C...
    • Auto Climate Control
    Close

    Located in Hasbrouck Heights, NJ / 88 miles away from Middletown, CT

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/21 Highway)

    Listing Information:

    VIN: WDBJF83J42X070373
    Stock: G70373
    Certified Pre-Owned: No

  • New Listing
    $38,990
    fair price
    $1,881 above market
    • 59,194 miles
    • No accidents, 1 owner, personal use only
    • 6cyl automatic
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Los Angeles, CA / 2,514 miles away from Middletown, CT

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    23 Combined MPG (20 City/27 Highway)

    Listing Information:

    VIN: W1K1K6HB0LF131850
    Stock: 2003780541
    Certified Pre-Owned: No
    Listed since: 06-12-2025

    • 16,007 miles
    • Lemon reported, 2 owners, personal use only
    • 6cyl automatic
    • J&S Mitsubishi (142 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Ewing, NJ / 142 miles away from Middletown, CT

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Issue reported

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: Yes

    Free History Report: No

    Features and Specs:

    23 Combined MPG (20 City/26 Highway)

    Listing Information:

    VIN: WDD1K6BB7LF119624
    Stock: 24634
    Certified Pre-Owned: No
    Listed since: 05-02-2025

  • $64,998
    great price
    $5,589 below market
    • 7,632 miles
    • No accidents, 1 owner, personal use
    • 24 City / 33 Hwy MPG
    • Mercedes-Benz of Rockville Centre (80 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Rockville Centre, NY / 80 miles away from Middletown, CT

    Boasts 33 Highway MPG and 24 City MPG! This Mercedes-Benz E350W4 delivers a Intercooled Turbo Gas/Electric I-4 2.0 L/122 engine powering this Automati...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    27 Combined MPG (24 City/33 Highway)

    Listing Information:

    VIN: W1KLF4HB1RA029917
    Stock: CVP_RA029917
    Certified Pre-Owned: No
    Listed since: 08-21-2024

  • Stock photo**
    • 25,106 miles
    • No accidents, 2 owners, personal use
    • 22 City / 30 Hwy MPG
    • Mercedes-Benz of Brooklyn (96 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Brooklyn, NY / 96 miles away from Middletown, CT

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    25 Combined MPG (22 City/30 Highway)

    Listing Information:

    VIN: WDDZF8EB0LA702645
    Stock: B15474
    Certified Pre-Owned: No
    Listed since: 06-07-2025

  • Price Drop
    • 3,989 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 22 City / 31 Hwy MPG
    • Mercedes-Benz of New Rochelle (72 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in New Rochelle, NY / 72 miles away from Middletown, CT

    more

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    25 Combined MPG (22 City/31 Highway)

    Listing Information:

    VIN: W1KLH6FB3SA086778
    Stock: 43305XL
    Certified Pre-Owned: Yes
    Listed since: 04-05-2025

Showing 1,177 - 1,197 out of 1,484 listings

Consumer Reviews for the Mercedes-Benz E-Class

Read recent reviews for the Mercedes-Benz E-Class
Overall Consumer Rating
4.1 out of 5 stars74 Reviews
Write a vehicle reviewSee all 74 reviews
  • 5 star
    (64%)
  • 4 star
    (15%)
  • 3 star
    (4%)
  • 2 star
    (15%)
  • 1 star
    (3%)
4 out of 5 stars

Love the car but...

prrs, 03/11/2017
2011 Mercedes-Benz E-Class E350 BlueTEC 4dr Sedan (3.0L 6cyl Turbodiesel 7A)
I purchased a 2011 E350 Bluetec with 80k miles. I did some research before purchasing and liked how the Diesel engines seem to take on lots of miles with out too many issues. I knew, however, that there were some issues and made a budget on how much I wanted to spend for the car and how much I expected to pay in the potential issues. That was probably the best thing I did. The Diesel … engine for this year had two main issues that I came across in my initial search. The rear main main seal leaks as well as the seals or gasket on the oil cooler. Unfortunately for me, those were the first two things I had to replace... it was not unexpected but it would have been nice to have left the money in my bank account. The parts were relatively inexpensive but the labor cost was... well let's just say the mechanic I took it to was more than happy to do the work. I ended up spending about $2800 but that is far less than what it would have cost had I taken it to the MB dealership. That issue aside, the car is solid and drives extremely well. It's not a sports car but it is as fast as I need it to be. I drive primarily on the highway so 0 to 60 is not very important. I currently am averaging about 34 mpg. If highway traffic is light, I can get as much as 38 to 39 mpg. Heavy stop and go highway traffic and I am getting about 25 to 27 mpg. My work commute is over an hour so the time I leave from home or work does affect my mpg. Road noise is almost non existent... if traffic is light, I set the cruise control on 75 mph and just zone out to the road ahead. The day Mercedes sells an autonomous driving car will be the day I fall a sleep in the back seat. My wife drives a 2006 Lexus GX470 and it's not as quiet as the Mercedes. That being said, The interior is comfortable but it's not as comfortable as the Lexus GX470. I test drove the 2012 version of this car with the "real" leather seats and I could swear that the seats feel different (i.e. more comfortable) but I chose this one with the "fake" leather because of the price. The layout of the interior is good. My only issue is that the air condition controls feel too low in where it was positioned (a personal preference) and the cruise control seems out of place. I initially thought I would not like the position of the gear shift but after a while it did not bother me at all; I also thought that the knob in the center console would be annoying to use for the phone, radio, navigation but to the contrary I like it more than a touch screen. I really like this car and have been quite satisfied with almost all of it's features. It is not my first luxury car to own (it's my 4th) but is the first Mercedes I have owned. I will add, though, that maintenance is expensive. In fact, unless you can afford a good trustworthy mechanic, I would recommend you become a weekend technician. This means doing your own fluid changes (particularly the oil), minor engine repair and maintenance. My father is a retired Diesel mechanic so there is some advantage for me in owning this car but there are some things I just do not have the time for. Like the repairs I mentioned earlier. I left the car at the shop for 3 days on those two repairs. Funny thing is, I know how to do the job but I am not a certified technician that does stuff like that on a daily basis. If i can't do it myself over a weekend, then I have to go my mechanic... or I should say, my dad's friend who runs his own repair shop. Update: 19Sep2017- Still love the car... but still am going with what I previously stated. It is not cheap to maintain. Even as a DIYer. I change the oil every 6,000 miles rather than 10,000 using full synthetic but after some research on the Mercedes Bluetec engines, I use 10w50 or 10w60 oil in the hotter seasons. 0w40 or 10w30 in the colder season. Texas is generally hot so I primarily use the heavier weight oil. I read a Mercedes technicians blog who indicated the engines run hotter than normal despite what the dealership may say. Using only the recommended oil at the recommended oil interval change may actually cause damage to the engine causing excessive build up of oil sludge. If it's under warranty... dealership will fix... but if there is no warranty, you either have a giant brick or you fix it yourself (or your very happy mechanic). Either way, preventative maintenance goes a long way. Update: 9/23/19 Car still runs well. Stopped switching oil weights and have since stuck with the MB 229.52 recommended motor oils. The reason... soot really accumulated on the heavier oils. I replaced the EGR Valve because of it but in hindsight I may not have needed to. There is a cleaning process I go through on the intake and the DPF to avoid excessive soot and carbon. I do it before I change the oil. I’ve also installed an oil separator (oil catch can), which seems to work alright. I know it’s doing something cause I get better highway mpg (averaging 37 vs 34). Otherwise car runs well... I’m over 172,000 miles.
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