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How many Km's/Miles have you have gotten out of a full tank?
How many kms are you getting out of your E300?
I drive almost always on highway roads. I just got 650 Kilometres out of a full tank which I think is not at all great. I drove in Eco mode exclusively. I am curious if it is right for me or am i supposed to go longer on a full tank?
I drive almost always on highway roads. I just got 650 Kilometres out of a full tank which I think is not at all great. I drove in Eco mode exclusively. I am curious if it is right for me or am i supposed to go longer on a full tank?
If it is pure highway miles it is not that good unless your fuel tank is small. I have a 2010 E550 (big motor) with 21 gallon tank and I have made well over 700 km with a tank of gas mostly on highway going 130 km/h.
I drive almost always on highway roads. I just got 650 Kilometres out of a full tank which I think is not at all great. I drove in Eco mode exclusively. I am curious if it is right for me or am i supposed to go longer on a full tank?
E300 engine or M272 3.0L version is not common in this forum, M272 3.5L version is the most common, after that M276 3.5L NA.
Also you must state your fuel tank size, it differs market to market.
Example, mine is 59 liters only, or US Gallon 15.58 and you claimed yours being 80 liters ?
Always clock the mileage when re-fuelling to maximum full. This is the most accurate way to see fuel mileage.
Don't use the car fuel mileage computer, its not accurate to log the entire fuel tank worth of use.
650 KM out of a fuel tank is vague statement, at what actual liters did you re-fill the tank for that 650km ?
When I was younger, I kept written logs of my fuel consumption and every fuel fill is to maximum 100% fill.
Now I don't care as I got the profile already in my head , but I do zero my odometer and I always fill fuel to 100% as I track my maximum mileage per fuel tank for safety reason
when doing long distance run.
GCC country is hot, your AC load and engine will consume more fuel than colder country car if apple to apple use.
Same as my country, AC load is always high.
State of health of your car engine + drivetrain is unknown, this is another possibility...if you think your car is burning more fuel than it should.
I've gotten 620 miles on a tank in my E350 4 matic, but I have the 276 with flex fuel option so my tank is two gallons bigger, that's just over 28 MPG
Dang 105 liters
Where do you hide such big fuel tank ?
I mean the rear undercarriage of W212 is already quite crowded, extra 22.5 + 22.5 liters per side is a lot, based on my 59 liters tank vs your 105 liters.....wow wow.
yes, Ive put 21 gallons in regularly, in my '12 gas only car E350 4 matic, i can only put in 18.5, I believe the tanks are 20 and 22 gallons respectively, I also think the flex- fuel cars get the same tank as the E550 but I have no confirmation of that theory.
Yes, I have made that drive round trip in that car 9 years now and 11 times, 2100 miles each way, obviously the two times in the summer the A/C is on the whole way there and back, the other 9 times we go for six weeks for Christmas leaving just after Thanksgiving, so no A/C the entire way as it's cold.
Right? I believe it's 22 gallons, I do use the cruise control pretty regular, but the speed limits are up to 80MPH, so I set it at 90 and use the gas pedal to go faster in the open spaces, frequently the RPM's stay at 3,000. obviously the MPG goes down to 25MPG
Last edited by pierrejoliat; Oct 28, 2025 at 10:59 AM.
This is how lame driving on Java's paid highway, the slow traffic at 9AM from Jakarta start ..and to 6PM ish arrival in Surabaya.
Google map calculation below based on 11:38PM start and red eye drive Jakarta to Surabaya with least traffic. Imagine when I start at 9AM. Below is based on 100% on paid highway.
The light blue region 13 hours 5 minute is extra 4+ hours if using non-highway. Dark blue is all paid highway.
My actual drive 9AM start . Every 2.0 to 2.5 hours I refuel and take a leak , and also one lunch stop. Total 3 stops, 4 logs.
Total 9.41 hours or 565 minutes merely to do 786KM / 488 miles, Jakarta to Surabaya.
Average speed 786/9.4 = 83KMH or 51.5 MPH
I spent sitting in the car eating like 25ish minutes….LOL. Log #2.
.
Log #3 is 117 minutes.
Where you see speed dip down to 80KMH / 50MPH that is how lots of people drive on a 100KMH highway.
Log# 4 last 40 ish minutes, that is already Surabaya internal city driving , hence average 30KM/H or 18MPH.
This is why my fuel burn is always high, even in paid highway.
Last edited by S-Prihadi; Oct 28, 2025 at 01:05 PM.
I drive almost always on highway roads. I just got 650 Kilometres out of a full tank which I think is not at all great. I drove in Eco mode exclusively. I am curious if it is right for me or am i supposed to go longer on a full tank?
how large is your tank? mine is E300 M272 with 80L tank, on highway only should be getting around 800km… (depending on driving style, usually on highway Im getting 10L/100km or 10 km per litre. (I’m a bit heavy on foot lol)) If driving like a grandma (80kph constant) 12-13 km/litre should be achieve able.
Originally Posted by S-Prihadi
E300 engine or M272 3.0L version is not common in this forum, M272 3.5L version is the most common, after that M276 3.5L NA.
….
Example, mine is 59 liters only, or US Gallon 15.58 and you claimed yours being 80 liters ?
…
.
I thought all e class in indonesia has 80L tank. TIL. I love mine, reducing the frequency going to gas station lol.
I think facelift model wants to use less plastic for ECO/GREEN sake, thus the plastic fuel tank becomes smaller ......thus I get 59 liters only
Mine confirmed 59 liters, including 8 liters is the reserve ( warning light ).
Note, facelift E300 is 3.5L M276 de-tuned one, no more M272 true 3.0 L. Such E300 with 3.5L M276 engine won't be sold in market with extra luxury tax for engine above 3.0L.
I tested it with open road partially waiting at the traffic lights on the same route : 633 kilometers less than 10 liters or 2 gallons in the tank . When I refill it , trip computer shows 740 kilometers but I don't have the things to try it that far lol
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hence 105 liters.
