2021 Mercedes-Benz
AMG CLS53 4matic Plus
Auto 9-spd, 6 cyl, 3.0 L
Mercedes-Benz AMG CLS53: best and worst yearsMercedes-Benz
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Overview
- Body
- Compact CarsEPA, from EPA, last updated 6/11/2026
- Drivetrain
- 4-Wheel DriveEPA, from EPA, last updated 6/11/2026
- Transmission
- Automatic 9-spdEPA, from EPA, last updated 6/11/2026
- Powertrain
- HybridEPA, from EPA, last updated 6/11/2026
- Fuel
- PremiumEPA, from EPA, last updated 6/11/2026
Engine & performance
- Cyl
- 6EPA, from EPA, last updated 6/11/2026
- Aspiration
- Naturally aspiratedEPA, from EPA, last updated 6/11/2026
- Start-stop system
- YesEPA, from EPA, last updated 6/11/2026
Efficiency
- MPG Hwy
- 26 mpgEPA, from EPA, last updated 6/11/2026
- MPG City
- 21 mpgEPA, from EPA, last updated 6/11/2026
- MPG Comb
- 23 mpgEPA, from EPA, last updated 6/11/2026
- Fuel $/yr
- $3,350EPA, from EPA, last updated 6/11/2026
- CO₂
- 389 g/miEPA, from EPA, last updated 6/11/2026
- Eco Score
- 5/10EPA, from EPA, last updated 6/11/2026
- Smog score
- 6/10
- Elec. Range
- 0 miEPA, from EPA, last updated 6/11/2026
- SmartWay certified
- No
Dimensions & capacity
- Pass. Vol
- 93 ft³EPA, from EPA, last updated 6/11/2026
- Cargo Vol
- 12 ft³EPA, from EPA, last updated 6/11/2026
Safety NHTSA, model year
- Recalls
- 10
- Owner complaints
- 1
Reported problems NHTSA owner complaints, model year
- ELECTRICAL SYSTEM100%
Source: NHTSA owner complaints, 1 total.
Mercedes-Benz AMG CLS53: best and worst yearsKnown issues manufacturer service bulletins, model year
92 service bulletins filed with NHTSA for this model year
May 26, 2026ELECTRICAL SYSTEMLI82.85-P-080559
Complaint The customer requests deactivation of the N112/9 HERMES communication module Note: Deactivation of the HERMES control unit (N112/9) is not supported for gray-market vehicles. Cause Before deactivating the HERMES control unit (N112/9), it must be clarified by the legal department of the respective MPC whether and under what conditions deactivation may be carried out. If deactivation is not permissible under applicable law, the HERMES control unit (N112/9) must not be deactivated. Remedy
May 26, 2026ELECTRICAL SYSTEMLI82.85-P-080507
Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument cluster. In addition, the following two conditions are also met: • HERMES (N112/9) control unit: event code B15CE00 is ACTIVE and STORED (A+S) • Vehicle Documentation System: For the HERMES control unit, the EID1, EID2, ICCID, IMEI, IMSI, TELNR fields in the "Identification/Serial number" column have the value "-" Caus
May 22, 2026STRUCTURE:BODYPSL-NCU Return Parts 5/22
Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, June 11, 2026. After June 11th, returns of these parts will no longer be accepted. These parts should be returned via ZSR Special Return, using item category SCM Authorized Part Return. Please include a copy of this NCU as your authorization to return these parts. This p
May 19, 2026VISIBILITY/WIPERLI82.30-P-059239
Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is not wiped completely (streaking) C: During the downward movement water is pulled back onto the windshield from the A-pillar (Figure 1) D: After windshield cleaning, water keeps spraying onto the windshield for several wipe cycles (Figure 2) A1: The windshield and wiper blades are contaminated with residues from car washing
May 15, 2026SUSPENSIONPSL-NCU Return Parts 5/15
The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, June 4, 2026. After June 4th, returns of these parts will no longer be accepted. These parts should be returned via ZSR Special Return, using item category SCM Authorized Part Return. Please include a copy of this NCU as your authorization to return these parts. This procedure will not affect your retu
May 15, 2026SUSPENSIONLI40.10-P-061032
Complaint Noises at the front axle when cornering or maneuvering (video files attached) Note: Save video files locally and play them with Windows Media Player. Cause Driving with summer tires in combination with low outside temperatures. At low outside temperatures or in wet conditions, a noise may be produced at the outer wheel on the front axle while maneuvering with sharp steering angles. Note: AMG vehicles with 4MATIC of model series 217 (without code 494) and model series 222 have a modifie
Apr 16, 2026EXTERIOR LIGHTINGLI82.10-P-078301
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 any technical impairment of the headlamp. If a pressure compensation diaphragm is fitted in the housing cover, then the lamp unit is a "closed system". Remedy Headlamp: Remedy 1 Clearing fogged/condensed LED headlamps: 1. Drive vehicle into workshop (temperature higher than +18 °C/+64.4 °F) and connect the exhaust extra
Apr 2, 2026ELECTRICAL SYSTEMLI72.20-P-075746
Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a result of a long press on the button, but by double-clicking on the button instead. This reduces the likelihood of the button being activated accidentally or unintentionally. The recoding can be carried
- and 84 more
Source: NHTSA manufacturer communications (technical service bulletins).
Warranty manufacturer terms, by make
- Basic
- 4 yr / 50k mi
- Powertrain
- 4 yr / 50k mi
- Roadside assistance
- 4 yr / 50k mi
- EV battery
- 10 yr / 155k mi
Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.